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Siemens SENTRON 3WL10, Manual

The Siemens SENTRON 3WL10 is a high-quality power distribution product designed for efficiency and reliability. Ensure optimal performance with the user manual, available for free download on our website. Get all the necessary instructions and guidelines to maximize the use of this exceptional product today at manualshive.com.

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Operation 

 

6.1 Operation 

 

Air circuit breaker 3WL10 

156

 

Manual, 11/2017, L1V30499596002-01 

Setting the neutral protection with the DIP switches 
1.

 

Set the neutral protection with the two DIP switches in the range "I

N

". The setting symbols 

below the DIP switches show the necessary position of the DIP switches in relation to 

each other. 

Example neutral protection OFF: 

 

Setting the line frequency with the DIP switches 
1.

 

Set the DIP switches in the "Hz" area to the correct line frequency. 

Example line frequency 50 Hz: 

 

Summary of Contents for SENTRON 3WL10

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Page 3: ... ___________________ ___________________ ___________________ SENTRON Protection devices Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 Introduction 1 Description 2 Accessories 3 Application planning 4 Connection and commissioning 5 Operation 6 Service and maintenance 7 Technical specifications 8 Dimension drawings 9 Circuit diagrams 10 Appendix A ESD guidelines B List of abbreviations ...

Page 4: ...be operated only by personnel qualified for the specific task in accordance with the relevant documentation in particular its warning notices and safety instructions Qualified personnel are those who based on their training and experience are capable of identifying risks and avoiding potential hazards when working with these products systems Proper use of Siemens products Note the following WARNIN...

Page 5: ...Measured values of the ETUs of the 3 series 64 2 4 5 Metering functions of the ETUs of the 6 series 66 2 5 Communication 69 2 6 Accessories overview 70 3 Accessories 71 3 1 Accessories for connection and insulation 71 3 1 1 Connections of the fixed breaker version 71 3 1 2 Connections of the withdrawable breaker version 73 3 1 3 Insulating measures 74 3 2 Electronic accessories 75 3 2 1 Accessorie...

Page 6: ...y regulations and information 127 5 2 Mounting and connection 128 5 2 1 Tightening torques at a glance 128 5 2 2 Mounting connections 129 5 2 3 Fixed breaker Installing the circuit breaker 135 5 2 4 Withdrawable breaker Installing the circuit breaker guide frame 137 5 2 5 Installing accessories 140 5 3 Function test of the ETU 144 5 4 Commissioning 145 5 4 1 General tests 145 5 4 2 Procedure for t...

Page 7: ...terminals adapter 4x240 on the front 182 9 1 5 With rear terminals for main circuit connection 183 9 1 6 Switchboard panel hole and drilling templates fixed breaker 185 9 2 Withdrawable breaker 188 9 2 1 Circuit breaker guide frame without connections 188 9 2 2 With rear terminals for main circuit connection 189 9 2 3 With rear circular conductor terminals 4 x 240 mm2 191 9 2 4 With main connectio...

Page 8: ...Table of contents Air circuit breaker 3WL10 6 Manual 11 2017 L1V30499596002 01 ...

Page 9: ...ual is a reference manual for technical information that users will need to configure connect and operate the 3WL10 air circuit breakers and their accessories 3VW8 9 1 2 Product specific information Target readers of this documentation The information contained in this manual is provided for the benefit of Users Control cabinet manufacturers Switchgear manufacturers Maintenance personnel Siemens T...

Page 10: ...siemens com cs ww com view 109748198 3VA Communication System Manual DE 3ZW1012 0VA20 0BB1 http www siemens com 3VA Documentation EN 3ZW1012 0VA20 0BC1 3WL10 Communication Guide https support industry siemens com cs WW en view 109750691 3VA Selectivity Configuration Manual DE 3ZW1012 0VA20 0AB1 https support industry siemens com cs ww en view 109743975 EN 3ZW1012 0VA20 0AC1 Hartmut Kiank Wolfgang ...

Page 11: ...use of lifting equipment and tools and use of personal protective equipment goggles etc must be followed If these are not observed this can result in death severe injury or substantial material damage Qualified personnel A qualified person for the purpose of this documentation is a person who is familiar with assembling installing commissioning and operating the product and who has the relevant qu...

Page 12: ...ed Use of product versions that are no longer supported and failure to apply the latest updates may increase customer s exposure to cyber threats To stay informed about product updates subscribe to the Siemens Industrial Security RSS Feed at http www siemens com industrialsecurity Open Source Software This product also includes open source software developed by third parties You can find the open ...

Page 13: ...he circuit breaker is delivered in seaworthy packaging check the color of the moisture label Blue Moisture tight packaging is effective Pink Moisture tight packaging is ineffective Inspect the circuit breaker for corrosion damage and report the damage to the carrier Replace or dry the desiccants and weld the plastic film Inspect the packaging at regular intervals Handling NOTICE Damage due to inco...

Page 14: ...Introduction 1 3 Safety instructions Air circuit breaker 3WL10 12 Manual 11 2017 L1V30499596002 01 ...

Page 15: ...ion into switchboards complying with IEC 61439 2 Optional expansion with a wide range of internal and external accessories Integrated communication concept together with the 3VA molded case circuit breakers and the 7KM PAC measuring devices Option of direct integration into the Siemens communication environment via optional accessories with electronic trip units of the 6 series Communication modul...

Page 16: ... or a withdrawable breaker Electronic trip units Optional integrated metering function electronic trip units of the 6 series only Use in AC applications No derating of the circuit breaker up to 70 C in accordance with IEC 60947 2 Modular and easy to fit accessories Benefits The 3WL10 circuit breaker provides many different advantages Low space requirements The 3WL10 air circuit breakers are extrem...

Page 17: ...eration This allows many different ways of reducing costs and improving productivity in industrial plants buildings and infrastructure projects to be achieved Simultaneous use of up to two different bus systems such as PROFIBUS PROFINET Modbus TCP or Modbus RTU Fast and reliable parameterization Timely information and response can prevent plant stoppages Effective diagnostics management Measured v...

Page 18: ...s train stations sports stadiums ports exhibition sites Industrial parks warehouses logistics centers Paper industry computer centers oil gas industry foodstuffs industry Presses galvanizing lines rolling mills grinding mills agitators and mixers production lines The 3WL10 air circuit breaker is used for the following functions Line protection Standard applications up to 66 kA Generator protection...

Page 19: ...circuit induced trip can be delayed for up to 400 ms short time delayed short circuit protection ST For maximum requirements the instantaneous short circuit protection INST can be disabled to temporarily deactivate or increase the response threshold of the short circuit protection ST up to the Icw value of the device After this utilizable time and current limit has been exceeded the circuit breake...

Page 20: ... and sensitive adjustment of ground fault current monitoring is possible Depending on the type the electronic trip units provide the following protection functions Overload protection LT Long Time Adjustable in steps of 40 to 100 of the rated current In of the air circuit breaker Short time delayed short circuit protection ST short time for time selective response in case of a short circuit Instan...

Page 21: ...Description 2 2 Possible uses and portfolio Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 19 ...

Page 22: ...lowing mounting versions are available Fixed breaker In the case of fixed breakers the circuit breaker is permanently installed in the switchboard panel Withdrawable breaker The withdrawable breaker comprises a fixed part guide frame and a movable part circuit breaker This permits fast disconnection of the circuit breaker from the power system for quick replacement or for maintenance without disas...

Page 23: ...s contained in a separate plastic enclosure and consists of the interrupting contact system and a current transformer Main components of the 3WL10 air circuit breaker Area with front rear connections Auxiliary conductor terminal system Electronic trip unit ETU Switch position indicator contacts OPEN CLOSED Mechanical ON pushbutton Mechanical OFF pushbutton Status indicator of spring energy store C...

Page 24: ...s inserted into the guide frame the main circuit connection is established In the retracted position built in shutters ensure safe touch protection of the main circuit connections In this way the circuit breaker can be removed from the guide frame without disassembly work and removed from the control cabinet if required The withdrawable breaker has the following advantages Fast replacement of the ...

Page 25: ...f the guide frame Mounting location of connection technology Racking handle Pushbutton for unlocking racking Push before Operating to rack the circuit breaker positions using the racking handle Circuit breaker position indicator Hole for inserting the racking handle Racking rail Lower shutter Upper shutter ...

Page 26: ...n the main contacts of the air circuit breaker are not connected to the main circuit but only to the auxiliary circuit In this position the functionality of the auxiliary circuit and all of its components auxiliary switches auxiliary releases communication etc can be tested while the main circuit is open DISCON The circuit breaker is not connected to the main circuit nor to the auxiliary circuit I...

Page 27: ...nnection of the system by removing the circuit breaker from the guide frame In the meantime undesired insertion of a circuit breaker into the guide frame can be reliably prevented by padlocks on the shutter see diagram below 2 3 2 Technical overview 3WL10 circuit breaker fixed and withdrawable breakers Number of poles 3 4 Rated operational current In 40 C A 630 800 1000 1250 Rated operational volt...

Page 28: ...6 Break time on opening I Icw ms 40 I Icw ms 25 Rated conditional short circuit current of the non automatic air circuit breakers Icc 500 690 V AC kA 42 50 Mechanical and electrical endurance with regular maintenance in accordance with the manufacturer s instructions Mechanical endurance Iu 1000 1250 Operating cycles x 1000 20 20 Frequency Operating cycles h 60 60 Electrical endurance 440 V Operat...

Page 29: ...hat corresponds to the value of the one second rated short time current Icw The non automatic air circuit breaker is sometimes also called a load interrupter switch because it can switch overcurrents 3WL10 non automatic air circuit breakers are only available in classes N and S Number of poles 3 4 Rated operational voltage Ue AC 50 60 Hz V 690 Rated insulation voltage Ui AC 50 60 Hz V 1000 Rated i...

Page 30: ...96002 01 2 3 3 Circuit breaker labeling All important technical information about a 3WL10 air circuit breaker is indicated on labels and plates attached to each unit Label for guide frame Key electrical data Label of the installed internal accessories Label of circuit breaker data ...

Page 31: ...ed to every 3WL10 air circuit breaker in a clearly visible location This code can be scanned with a smart phone or a tablet PC and provides a data sheet for the product For the full range of QR code functions use the Industry Support app supplied free of charge by Siemens App Store https itunes apple com de app siemens industry online support id478868966 mt 8 Google Play https play google com stor...

Page 32: ...30499596002 01 Key electrical data The key electrical data label on the air circuit breaker contains the following information IEC breaking capacity values at various voltages Frequency utilization category Maximum rated operational current Insulation data Supported standards ...

Page 33: ...ew of the most important data of the circuit breaker Internal accessories label You can make a note of the number of installed accessories on the internal accessories label Accessories that have been pre installed in the factory are already listed here This tells you which accessories are installed without the need to open the circuit breaker You can use this information for example to reorder com...

Page 34: ... Label for guide frame A label is affixed to the left hand inside of the guide frame that provides an overview of the most important data of the guide frame The article number of the guide frame is stated separately on its label even if it is part of the withdrawable breaker version 3WL10 ...

Page 35: ...rs of the 3WL range are designed as current carrying circuit breakers Their place in the power distribution is upstream of molded case circuit breakers and they must have time selective current carrying characteristics They are equipped with ST releases for short time delayed short circuit protection The INST release for instantaneous short circuit protection can be disabled in certain circumstanc...

Page 36: ...overload If the short circuit currents differ sufficiently at the points where two circuit breakers are mounted the instantaneous short circuit releases can normally be set such that if a short circuit occurs behind one of the circuit breakers as seen from the other circuit breaker only the circuit breaker nearest to the fault will trip If the short circuit currents are approximately the same at t...

Page 37: ... with LED Test key Connection socket for test devices TD310 TD410 and TD420 Display elements ETU readiness can be indicated via the LED ACT Alarms and trips are indicated via the LEDs in the area of the rotary coding switches You will find the precise description and meaning of the LED states in Chapter Alarms Page 161 Operator controls The electronic trip units of the 3 series are equipped with r...

Page 38: ...D420 Display LCD Operation of the menu functions is described in Chapter Entering parameters Page 155 Display elements The central visualization element of the ETU of the 6 series is the display Alongside this an LED and warning displays are used LED ACT ETU ready indicator Warning displays See Chapter Alarms Page 161 Menus and menu structure The display shows the main menu on the start screen Dis...

Page 39: ...e of the ETU 6 series Page 217 Operator controls Navigation in the menus and input of protection parameters settings etc are performed with the control keys Control key Meaning Switches between the main menu symbols Goes back to the previous screen page Increases a parameter in parameter edit mode Goes to the selected menu level Confirms a parameter in parameter edit mode Switches between the main...

Page 40: ...s such as voltage transformers and measuring devices and power monitoring in one compact device and therefore reduce costs and engineering work The electronic trip units of the 6 series can be replaced with a metering module and sense anomalies such as transient interruptions voltage spikes and run network analyses The protection functions can be specifically adapted to the circumstances of the in...

Page 41: ... functions Making current release MCR 1 Current unbalance protection I NBA DAS protection arc fault mitigation mode Ground fault return Gret 1 2nd parameter set set A B With metering function MF Advanced Residual current protection Rc 2 Direct short time protection DST Voltage unbalance protection V NBA Undervoltage protection Vu Overvoltage protection Vo Underfrequency protection fu Overfrequency...

Page 42: ...LCD Communication input and output modules With Breaker Connect module COM040 PROFIBUS COM041 PROFINET COM042 Modbus RTU COM043 Modbus TCP COM044 IEC 61850 IOM040 configurable digital I O module IOM300 configurable digital I O module Enabled functionalities Energy monitoring and management with COM MF with COM MF Remote parameterization with COM with COM Remote switching and control synchronizatio...

Page 43: ...ateway device TD410 TD420 on ETU front interface Read write maintenance info contact wear history time LCD COM LCD COM Record of a measuring interval memory and min max registers in ETU LCD COM LCD COM Diagnostic report Enhanced settings TD410 TD420 TD410 TD420 or LCD Watchdog steady electronics or maglatch or CT failure surveillance trip enable Overtemperature trip enable Thermal memory disable L...

Page 44: ...tors to be protected exceeds the set tripping current Isd for the duration of the set delay time tsd The ST release provides characteristics with inverse time curve I2t or a time delay with a definite time tripping characteristic tsd const It can also be disabled Instantaneous short circuit protection INST The instantaneous short circuit protection INST is a protection function that opens the circ...

Page 45: ...ts in the grounding conductor of the transformer star point can be directly measured with high accuracy using an external toroidal core transformer and evaluated with the ETU660 LSIG Direct measurement of ground faults with a toroidal core transformer is an alternative to the vector sum calculation of the GF protection function The ETU requires an external power supply for the function e g Breaker...

Page 46: ...rent release Statistically most short circuits and faults occur when the power distribution is connected or reconnected after commissioning or maintenance connection to existing short circuit The making current release MCR for early detection of short circuits increases short circuit protection at the moment the circuit breaker is closed by enabling definition of individual operating currents and ...

Page 47: ...meter set set A B The ETUs of the 6 series can store and manage a complete second set of alternative parameters for the protection functions It is possible to switch to this second set of protection parameters set B with an external command or input It then replaces the default parameter set A The command to switch over can be issued if the circumstances of the power system change for example when...

Page 48: ...eaker becomes a central control and protection element in the installation The enhanced protection functions can be set to the operating modes closed only alarm or open With open contacts too signals can be provided if the voltage is sensed on the line side to detect anomalies or faults in the voltage applied before the main contacts of the circuit breaker are closed Reverse active power protectio...

Page 49: ...ne frequency falls below the operating value fu The operating value is described as factor 1 of the line frequency settable to 50 Hz or 60 Hz In this way the distribution board can be protected from impermissible deviations in the line frequency Overfrequency protection fo Overfrequency protection responds with a definable definite time delay to f as soon as the line frequency exceeds the operatin...

Page 50: ...ws the tripping characteristics of the 3WL10 circuit breaker Setting value of the long time delayed protection Delay time of the long time delayed protection Switchover of the overload characteristic I4t and VI SI EI Setting value of the short time delayed protection I2t characteristic ON OFF of the short time delayed protection Delay time of the short time delayed protection Setting value of the ...

Page 51: ...ection Isd 1 0 10 x In Limitation of the short circuit range in which the current has to be interrupted as quickly as possible but with a defined time delay Isd 8 x In 8000 A at In 1000 A Range of the short time delay as of 8000 A tsd Delay time of the short time delayed short circuit protection Use for time selectivi ty Time delay of tsd can be definite time or inverse time in relation to I t For...

Page 52: ...017 L1V30499596002 01 SIMARIS design The Siemens SIMARIS design software tool is a fast simple and reliable tool for calculating and dimensioning networks in accordance with the valid rules You will find more information on SIMARIS design in the Internet http www siemens com simaris ...

Page 53: ...ering function MF 2nd parameter set Equipment Display LCD Setting with rotary coding switch Setting via control buttons next to the ETU display Data display via control buttons next to the ETU display Metering function as option MF Basic Metering function as option MF Advanced Internal I O module IOM040 with 2 inputs and 2 outputs as an option External I O module IOM300 with 10I and 11O as an opti...

Page 54: ...nt rating can be adapted to a changed situation of the overall installation This function is suitable for installations for which further development is planned or in cases in which the power export could be temporarily limited e g mobile generator set The overload protection function LT can be deactivated at any time if the L off rating plug version is used For residual current protection with a ...

Page 55: ...tion TIA for automation and process integration Energy automation Metering functions of the ETUs of the 6 series optional For the electronic trip units of the 6 series there are two metering function modules MF Basic MF Advanced These modules allow determination of the following additional measured quantities Voltage Power Energy Additional features of the MF Advanced version Implementation of the...

Page 56: ... 0 75 s Tolerance1 10 I 6 x In 20 I 6 x In Overload pre alarm 50 to 100 x Ir in steps of 1 Default value 90 50 to 100 x Ir in steps of 1 Default value 90 50 to 100 x Ir in steps of 1 Default value 90 S ST Short time delayed short circuit protection Protection function can be enabled disabled Setting range of operating value Isd In x 1 1 5 2 2 5 3 4 6 8 10 Default value OFF Tolerance1 7 I 6 x In 10...

Page 57: ...ternal auxiliary power supply of the ETU 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 1 Default value 0 1 Tolerance1 7 Setting range for delay time tg fixed t k 0 1 0 2 0 4 0 6 0 8 s Tolerance1 The better value out of 10 or 40ms or 50 ms with tg instantaneous Setting range for delay time tg at I t reference point 2 x Ig 0 1 0 2 0 4 0 6 0 8 s Default value 0 1 I t Func tions Frequency adaptation Setting of the ...

Page 58: ...ce1 10 I 6 x In 20 I 6 x In 0 75 to 36 s in steps of 0 25 Default value 36 s Tolerance1 10 I 6 x In 20 I 6 x In Switchable overload protection characteristic IEC 60255 151 ttrip tr b Iload Ir α 1 I4t α 4 b 1296 standard inverse SI α 0 02 b 0 0364 very inverse VI α 1 b 5 extremely inverse EI α 2 b 35 2 Default value I t I4t α 4 b 1296 standard inverse SI α 0 02 b 0 0364 very inverse VI α 1 b 5 extr...

Page 59: ...sh adaptation for tripping characteristic t k fixed possible Default value OFF Default value OFF Setting range of the switch on phase inrush adaptation 0 1 to 30 s in steps of 0 01 Default value 0 1 0 1 to 30 s in steps of 0 01 Default value 0 1 Setting range Isd In x during the switch on phase inrush adaptation 0 6 to 10 in steps of 0 1 Default value 10 0 6 to 10 in steps of 0 1 Default value 10 ...

Page 60: ...t 2 x Ig 0 1 to 1 s in steps of 0 05 Ground fault protection pre alarm 50 to 90 x Ir in steps of 1 Default value 90 Tripping can be deactivated Switchover to the alternative of the external directly measured ground fault protection Default value OFF Switchover to alternative operating values with ground fault current during the switch on phase inrush adaptation for tripping characteristic t k fixe...

Page 61: ... 0 8 s Gret ground fault return protection ground return transformer in the star point Alternative to GF and Rc Design of Gret transformer ground fault return CT ICT_rating 100 250 A Default value 100 A Setting range operating value ground fault return Ig_ret ICT_rating x 0 1 to 1 x ICT_rating in steps of 0 001 Default value 0 1 Setting range of delay time tg_ret fixed t k 0 1 to 1 s in steps of 0...

Page 62: ...can be enabled disabled Setting range Inba phase current unbalance 2 to 90 in steps of 1 Default value 50 2 to 90 in steps of 1 Default value 50 Setting range of the delay time tnba for phase current unbalance 0 50 to 60 s in steps of 0 5 Default value 10 s 0 50 to 60 s in steps of 0 5 Default value 10 s Enabling disabling of tripping on phase current unbalance 1 ETU powered in at least 2 phases o...

Page 63: ...over to alternative operating values with directed directional short circuit current during the switch on phase inrush adaptation for tripping characteristic t k fixed possible Setting range of the switch on phase 0 10 to 30 s in steps of 0 01 Default value 0 1 0 10 to 30 s in steps of 0 01 Default value 0 1 Setting range Idsd In x during the switch on phase in the forward direction FW 0 6 to 10 i...

Page 64: ...tion can be enabled disabled Setting range for underfrequency protection fu fn x 0 9 to 0 999 in steps of 0 001 Default value 0 9 0 9 to 0 999 in steps of 0 001 Default value 0 9 Setting range of the delay time for underfrequency protection 3 to 300 s in steps of 0 01 Default value 3 s 3 to 300 s in steps of 0 01 Default value 3 s Enabling disabling of tripping on underfrequency protection fo Over...

Page 65: ...hreshold overload current In pal 2 In x 0 1 to 10 in steps of 0 01 Default value 3 0 1 to 10 in steps of 0 01 Default value 3 Crossing the response threshold rated current In pal 1 Direction from bottom or from top Default value bottom top Default value bottom top Crossing the response threshold rated current In pal 2 Direction from bottom or from top Default value bottom top Default value bottom ...

Page 66: ...ed values that are based exclusively on status changes and current signals In addition to the visual display of maintenance signals trip reasons overload measurements etc indicated by LEDs on the ETU a number of measured values such as trip history or maintenance information can be read out on the ETUs of the 3 series too via the TD410 420 test devices on the front interface of the ETU Measured va...

Page 67: ...Total number of trips No Operating hours counter h Contact wear Pre alarm 80 Alarm 100 Date of maintenance performed Last Direction to perform necessary maintenance Key data Type of circuit breaker name assigned to the device serial number Self diagnostics Parameter Precision Open circuit detection Watchdog constant CT monitoring monitoring of the electronics and tripping coil Alarm due to disconn...

Page 68: ...stem can therefore be detected before the contacts of the circuit breaker are closed In this way the ETU can also power the metering module MF Advanced directly from the busbar itself if no auxiliary power supply is provided via the Breaker Connect module Metering functions of the ETUs of the 6 series Instantaneous values Measured values Precision Reference standard IEC 61557 12 Metering module MF...

Page 69: ...emory Measured values Metering module MF required Currents A L1 L2 L3 N Ig Voltages V U12 U23 U31 Sampling rate Hz 1200 2400 4800 9600 Max recording duration s 16 Recording stop delay s 0 to 10 Number of registers No 2 independent Information on tripping and switch off data Parameter Metering module MF required Type of protection function tripped e g L S I G Vo Vu Fault values per phase A V Hz w V...

Page 70: ...ng coil Alarm due to disconnection Current sensor sensors tripping coil Note Tripping of the circuit breaker can be set in the case of an alarm Temperature T Pre alarm and alarm due to overheating 1 After a fault with or without auxiliary power supply 2 After a fault without auxiliary power supply 3 If auxiliary power supply is connected 4 Available as of mid 2018 in the SIOS Portal see below Link...

Page 71: ...series Depending on the communication modules used the following protocols are available Modbus RTU via RS485 COM042 Modbus TCP via Ethernet and other IP communication COM043 PROFIBUS DP COM040 PROFINET IO COM041 IEC 61850 COM044 Up to two different communication modules can be installed at the same time so that connection to the communication systems is possible with different protocols More info...

Page 72: ...e available accessories below You can obtain the complete description in Chapter Accessories Page 71 Diverse connection variants for the circuit breaker Terminal covers and phase barriers Shunt releases and undervoltage releases Closing coils Auxiliary switches and signaling switches Communication links Input and output modules I O modules External display External current transformers Interlockin...

Page 73: ...7 Accessories 3 3 1 Accessories for connection and insulation 3 1 1 Connections of the fixed breaker version Front terminals for main circuit connection Front connection bars extended Circular conductor terminal for Cu Al cable Horizontally vertically orientable rear connection ...

Page 74: ...inals and are used to extend the jumper lug of the circuit breaker The extended connections protrude from the circuit breaker and are not delivered preassembled on the circuit breaker Circular conductor terminal for Cu Al cable The cable terminals CuAl 4 x 240 mm2 are mounted on the front terminals They project beyond the circuit breaker contour A total of up to four cables with a maximum cross se...

Page 75: ...s and cable lugs to the rear of the guide frame The rear main terminal is supplied mounted on the flange of the guide frame and can also be rotated subsequently by the user Copper aluminum cable connection bar The circular conductor terminal is mounted on the vertically oriented rear terminals of the guide frame A total of up to four cables with a maximum cross section of 240 mm2 can be connected ...

Page 76: ...Low cover of front main terminal Extended cover of front main terminal Phase barriers Phase barriers provide insulation between the individual phases of the circuit breaker They are installed in the front termination area between the phases of the fixed breaker version Note You will find connections that necessitate mandatory insulation measures in Chapter Isolating distances and insulating equipm...

Page 77: ... Manual 11 2017 L1V30499596002 01 75 3 2 Electronic accessories 3 2 1 Accessories for circuit breaker Closing coil CC Undervoltage release UVR shunt release ST2 Shunt release ST Remote reset magnet RR Spring charging motor MO Mechanical operating cycles counter MOC ...

Page 78: ...locking during closure Checking the voltage in the primary and secondary circuits The undervoltage release is powered via the auxiliary conductor terminal system Note The circuit breaker can be reclosed at a coil supply voltage of 85 to 110 Un Suitable for continuous operation 100 ON time Technical specifications AC DC Rated control supply voltage Us 24 V 30 V 48 V 60 V 110 to 120 V 120 to 127 V 2...

Page 79: ... OPEN is always possible The coils work with a current pulse 100 ms or with constant power input 100 ON time in Note If the opening command was issued with a shunt release the circuit breaker can be reclosed with a closing command after the shunt release has been switched off followed by a wait time 30 ms The opening command always has priority over the closing signal Technical specifications AC D...

Page 80: ...rol supply voltage Us 24 V 110 V 220 V Operating limits 90 to 110 Us Spring charging motor MO The spring charging motor MO automatically charges the closing springs when they are discharged If no power supply is available the springs must be charged manually with the hand lever of the operator on the circuit breaker Technical specifications AC DC Rated control supply voltage Us 24 to 30 V 48 to 60...

Page 81: ...splays the number of mechanical switching operations performed by the circuit breaker directly on the front of the circuit breaker Note Because the number of operating cycles performed influences the maintenance intervals the mechanical operating cycles counter MOC can provide the necessary basis for defining them You will find information on maintenance in Chapter Service and maintenance Page 169...

Page 82: ...017 L1V30499596002 01 3 2 2 Accessories for the auxiliary and signaling switches Position signaling switch PSS for guide frame Ready to close signaling switch RTC Auxiliary switch AUX1 AUX2 Auxiliary switch AUX3 AUX4 Tripped signaling switch S24 Spring charged signaling switch S21 ...

Page 83: ...e position signaling switches are always installed in the guide frame However the user can modify 24 V digital signals in the device configuration to meet the requirements for small loads e g for PLC connection Configuration Position auxiliary contacts PSS 6 auxiliary contacts Standard contact 400 V Contact for digital signal 24 V Standard contact Contact for digital signal Type Changeover contact...

Page 84: ...onditions must be met before the circuit breaker is ready to close Circuit breaker in the OPEN position Springs charged Switch off command or interlocking with switch off command is not pending Circuit breaker reset due to tripping of the electronic trip unit ETU Standard contact Contact for digital signal Type Changeover contact Smallest load 100 mA at 24 V 1 mA at 5 V Breaking capacity DC 24 V 0...

Page 85: ... by 15 external auxiliary switches with AUX 15CO The necessary modification of the circuit breaker side wall is described in the chapter on external accessories If both auxiliary contact modules are installed up to 19 auxiliary contacts CLOSED OPEN are available Configuration AUX 4CO 2CO 2CO 4 auxiliary contacts internal AUX 15CO Additional external 15 auxiliary contacts Standard contact Contact f...

Page 86: ...r can only be reclosed once the mechanical signaling button for ETU tripped reset has been reset to its normal operating position manually or by means of the remote reset magnet RR Spring charged signaling switch S21 The spring charged signaling switch S21 signals the state of the operator closing springs of the circuit breaker on the auxiliary conductor terminal system The contact is available in...

Page 87: ... O modules Nodes on the internal circuit breaker CB bus Position signaling switch of the circuit breaker in the guide frame COM PSS not shown in the figure Breaker Connect module external power supply Communication modules Digital I O module IOM040 Ready to close signaling switch for communication COM RTC Actuation module for remote operation COM ACT ETU Metering function ...

Page 88: ...he auxiliary terminal block auxiliary power supply Note To provide the functionality of the circuit breaker as a protective device the ETU is powered via an internal transformer in the operating state when the main contacts are closed When the contacts are open the ETU can optionally be powered via the metering function MF Advanced and the internal voltage tap The Breaker Connect module can be ins...

Page 89: ...ions Totally Integrated Automation TIA for production plants Total Building Solution TBS for non residential buildings Totally Integrated Power TIP as the power distribution system for the two applications above Energy management with powermanager The circuit breakers utilize an innovative modern communication concept The basis for this concept is the communication capable trip unit of the ETUs of...

Page 90: ...elected and configured Ready to close signaling switch for communication COM RTC The ready to close signaling switch COM RTC provides the same information as the ready to close signaling switch RTC see Section Accessories for the auxiliary and signaling switches Page 80 It is used to query whether the circuit breaker is ready to close Unlike the RTC signaling switch whose signals are available at ...

Page 91: ...nnected directly to the CB1 and CB2 terminals of the auxiliary conductor terminal system 3 4 2 DSP800 display The DSP800 display for mounting in the control cabinet door is connected to the Ethernet Modbus TCP interface of the COM043 module to visualize up to three 3WL10 circuit breakers and where required an additional five circuit breakers of the 3VA2 series The 3WL10 circuit breaker can be inte...

Page 92: ... includes Measured values of the ETU ETU setting parameters Status Diagnostics 3 4 3 External current transformers Rogowski CT solo external neutral CT for direct measurement of the ground fault current in the grounded transformer star point G_ret ground return method Summation current transformer for direct residual current measurement across all phases Rc CT The direct measuring methods and are ...

Page 93: ... currents for trip units with a G protection function ETU360 and ETU660 T5 Rogowski CT solo external neutral External CT for grounding conductors of the main power supply grounded transformer star point GF CT Currents in the grounding conductor of the transformer star point can be directly measured with high accuracy using this toroidal core transformer and can be evaluated with the ETU660 LSIG Th...

Page 94: ... a rating plug for residual current protection and the metering function MF Advanced The transformer is connected to the auxiliary conductor terminal system of the circuit breaker T7 Summation current transformer 3 4 4 Locking and interlocking Covers and locking devices to prevent mechanical operations at the operator panel Protective covers to prevent unintended mechanical operation Locking devic...

Page 95: ...rsions depending on the lock numbers chosen Locks with different lock numbers Each lockable circuit breaker has its own key The lock number can be selected from a choice of four different lock numbers Locks with the same lock numbers Every key fits in every lockable circuit breaker The protection device with a key prevents access to the OFF button and the ON button simultaneously It is not possibl...

Page 96: ...er of 4 mm 0 16 Locking device made of metal for one padlock with a diameter of 7 mm 0 28 or for a padlock holder Locking device made of metal for up to 2 padlocks with a diameter of 8 mm 0 32 This locking device fulfills the conditions for a supply disconnecting isolating device according to EN 60204 1 The locking device with padlocks can be used as an alternative to the protection device for the...

Page 97: ...evice against movement of the withdrawable CB Ronis lock in the breaker position DISCONNECT TEST or CONNECT Locking mechanism to prevent movement of the withdrawable CB with padlock in the breaker position DISCONNECT TEST or CONNECT Locking device in addition to or which permits only locking in breaker position DISCONNECT with the cylinder lock see or padlock see ...

Page 98: ...dlocking on the guide frame the circuit breaker is secured against racking in the guide frame The positions CONNECT TEST and DISCONNECT can be locked Locking is performed on the guide frame with up to three padlocks diameter 8 mm 0 32 The circuit breaker can then no longer be racked in or out The padlocks are not included in the scope of delivery of the locking device and must be provided by the c...

Page 99: ...hdrawable breaker Withdrawable breaker withdrawable breaker The circuit breakers can also be interlocked with other sizes of 3WL series breakers Interlocking is possible in both directions i e it can be set up from the 3WL10 or from the larger size circuit breaker Interlocking with molded case circuit breakers of the 3VA series size 1250 A market launch in 2018 is also possible However in this cas...

Page 100: ...ally mounted interlocking module 3VW9011 0BB51 A06 Mounting support extended circuit breaker feet kit incl mechanical transmis sion of switch position on circuit breaker side wall Fixed breaker floor fixation with externally mounted interlocking module 3VW9011 0BB52 S56 Side wall extension kit modification for me chanical switch posi tion transmission on circuit breaker side wall Fixed breaker wal...

Page 101: ...ith the following accessories Auxiliary switch AUX 15Q Withdrawable breaker Direct locking mechanism to prevent opening of the control cabinet door If Bowden cables are used the maximum length is 2 m The door interlocking also locks out the open circuit breaker when the control cabinet door is open Covers Door sealing frame To enable operation of the circuit breaker when a door interlocking is ins...

Page 102: ... protects the complete front face of the circuit breaker In this way degree of protection IP 54 is achieved The protective cover is equipped with two locks The locks are available in two versions Same lock number The locks can be opened with the same key Different lock numbers Each lock has its own key both keys are required to open the protective cover ...

Page 103: ...ing and connection Page 128 To implement floor mounting for a fixed circuit breaker mounting feet are provided as additional accessories This is available in the standard version see figure above and in a version for side mounted accessories see Section Locking and interlocking Page 92 The different versions can be configured in the factory or retrofitted subsequently In a withdrawable circuit bre...

Page 104: ... information Readout of the measured value interval memory Functions of the TD410 test function alities Extended test function guided teach in of the protection parameters Readout of the datalog network and fault analysis Possible with via test device Via communica tion interface Via front inter face ETU Access to functionality with TD310 TD410 TD420 powerconfig via TD410 and TD420 powerlog2 via T...

Page 105: ...0 Activation Trip Box is connected to the front test plug of the ETU It can be used with all electronic trip units of the 3 and 6 series Function scope Activation of the electronic trip units of the 3 and 6 series with a battery built into the test device Testing the release and the trip coil of the circuit breaker for correct functioning trip test By activation via the TD310 Activation Trip Box t...

Page 106: ... en view 63452759 3 5 4 TD420 test device The TD420 test device has the functionality of the TD410 with added test and storage options It can be used with all electronic trip units of the 3 and 6 series Function scope Activation of the ETU Trip tests performed in the same ways as for the TD310 Gateway between PC and ETU Parameterization of the ETU with the powerconfig software see below Trip testi...

Page 107: ...but also various other thresholds alarms and events that can be selected user specifically For this expanded functionality the powerlog software will be available for downloading as of 2018 Note powerconfig is commissioning and maintenance software for all communication capable SENTRON products from Siemens With this software the circuit breaker can be parameterized and commissioned and its settin...

Page 108: ...Accessories 3 5 Breaker Data Adapters and test devices Air circuit breaker 3WL10 106 Manual 11 2017 L1V30499596002 01 ...

Page 109: ... Types of installation and installation locations The circuit breaker is designed to be operated in enclosed rooms in which the operating conditions are not affected by dust or corrosive vapors gases Suitable enclosures must be used in dusty or damp conditions Mounting position The fixed version of the circuit breaker can be used in the following orientations Vertical upright Horizontal right Hori...

Page 110: ... the circuit breaker In all these versions the circuit breaker is capable of full performance no derating full current carrying capacity and protection settings Phase sequence neutral left N L1 L2 L3 Phase sequence neutral right L1 L2 L3 N The phase sequence L1 L2 L3 can be subsequently changed to L3 L2 L1 by the user in the electronic trip units of the 6 series to match any system configuration M...

Page 111: ... terminals For fixed breakers directly or with extended terminal elements as in the case of the molded case circuit breakers This saves work and costs For withdrawable breakers with extended terminal elements accessible from the front Rear connection For fixed breakers and withdrawable breakers Horizontal or vertical orientation Cable connection for copper aluminum cable For fixed breakers on the ...

Page 112: ...installed in switchboards with a padlockable protective cover IP54 see Chapter Accessories for connection and insulation Page 71 Pollution degree Operation of the circuit breaker is approved in accordance with IEC EN 60947 for pollution degree 3 The circuit breaker also complies with the following standards IEC60721 3 6 class 6C3 IEC60721 3 3 class 3C2 Ambient temperature The circuit breaker can b...

Page 113: ...e switchboard Page 113 and to the overriding standard IEC 60947 The values do not apply to all mounting conditions for circuit breakers and may deviate depending upon factors such as packing density ventilation internal separation of the installation etc Please observe the applicable overriding guidelines e g IEC 61439 Vibration resistance and shock resistance The 3WL10 air circuit breaker is inse...

Page 114: ...nexes J and F Installation altitudes An installation altitude above 2000 m can result in higher temperatures on the switching devices The lower density of air can significantly reduce heat dissipation The arcing behavior and the conductivity of the density dependent ionized gas mixture are also less favorable at greater altitudes This makes it necessary to decrease rated operational voltage and th...

Page 115: ...in respect of Copper busbars Connection architecture Segregation and internal separation Mounting options In the following mounting conditions see Section Power in the switchboard the most important factors have been taken into account that can affect the power ratings of the circuit breaker in the switchboard These factors are Switchboard type Degree of protection of the switchboard Separation ty...

Page 116: ...aker within the switchboard The data communicated are a summary of computer simulations and tests actually performed They are valid as guide values both for the fixed breakers and the withdrawable breakers and are not a substitute for an insulation test according to IEC 61439 The switchboard used in the test has degree of protection IP31 and has the following design and dimensions figure shows the...

Page 117: ...per panel width section in the switchboard Circuit breaker power with rear terminals for main circuit connection Horizontally oriented Vertically oriented Iu A Busbar connection mm Com part ment Ambient temperature Ambient temperature 35 C 45 C 55 C 35 C 45 C 55 C 630 2 x 40 x 5 1 630 A 630 A 630 A 630 A 630 A 630 A 2 630 A 630 A 630 A 630 A 630 A 630 A 800 2 x 50 x 5 1 800 A 800 A 800 A 800 A 800...

Page 118: ... cabinet can be connected directly to it The auxiliary power supply is always necessary for the communication function As a further option the MF Advanced metering module can be used If the voltage is tapped internally on the line side with the contacts open this can also be used to power the electronics directly and independently If a metering module is present the voltage taps must be installed ...

Page 119: ... 10 12 5 11 12 5 25 0 1 Vertically orientable rear terminals 630 A 40 mm 630 A 50 mm 800 A 2 x 5 800 A 2 x 8 12 5 11 12 5 25 0 1 Front terminals for main circuit connection 24 10 to 20 11 14 Front connection bars extended 24 to 50 11 14 Horizontally orientable rear terminals 24 11 12 5 Vertically orientable rear terminals 24 11 12 5 Connections of the guide frame Front connection bars extended 630...

Page 120: ...0 2 x 50 x 8 1250 2 x 50 x 10 2 x 50 x 8 Grounding The fixed circuit breaker does not require grounding For the withdrawable breaker two alternatives are possible to achieve continuity and equipotentiality of the grounding between the circuit breaker and the protection circuit of the switchboard Connection of the guide frame to the protection circuit with a cable in accordance with IEC 61439 1 Sec...

Page 121: ...tance between the phases Rated insulation voltage Ui Smallest distance 1000 V acc to IEC 61439 14 mm Siemens recommendation 25 mm Isolating distances within the switchboard panel To observe the isolating distances inside the panel the following minimum dimensions for the interior of the panel must be observed A 3 pole W 4 pole C D Fixed break er 250 mm 322 mm 440 V 332 5 mm 440 V 382 5 mm 130 mm W...

Page 122: ...ng equipment is required in the withdrawable breaker Connection Article No Insulation requirement 3VW9011 0AL71 3VW9011 0AL72 A B A 3VW9723 0WF30 3VW9724 0WF40 3VW9011 0AL01 3VW9011 0AL02 No measures required B Part of 3VW9011 0AL71 3VW9011 0AL72 3VW9011 0AL73 3VW9011 0AL74 3VW9011 0AL77 3VW9011 0AL78 3VW9011 0AL77 3VW9011 0AL78 A B C D C Components of 3VW9011 0AL77 3VW9011 0AL78 3VW9011 0AL32 3VW...

Page 123: ...loss of the circuit breaker must be considered in planning the electrical switchboard The values shown in the table refer to the total power for three and four pole circuit breakers with balanced loads at a current that correspond to the rated uninterrupted current Iu at 50 60Hz Power loss Iu 630 A 800 A 1000 A 1250 A Fixed breaker W 31 50 78 122 Withdrawable breaker W 62 100 156 244 The power los...

Page 124: ...he effects armature plates must be mounted in the vicinity of the terminals of the circuit breaker Busbars The following diagram shows the distance of the first armature plate depending on the prospective short circuit current when busbars are used Distance of the first armature plate to the terminals of the circuit breaker Prospective short circuit current Cables If cables are used in the install...

Page 125: ...o IEC 61557 1 Simple integration into plant monitoring systems for monitoring Status Measured values Alarms and warnings Diagnostics Maintenance Significant additional benefits for the switchboard due to the possibility of connecting external input and output modules to the 3WL10 air circuit breaker Innovative software products for commissioning testing parameterization operation monitoring docume...

Page 126: ...nnect module on the auxiliary conductor terminal system Fixed breaker Withdrawable breaker Because the circuit breaker is designed for up to two communication modules it can be integrated into the communication environment with two different protocols For example simultaneous connection of a fieldbus for automation or remote control applications incl parameterization and remote switching and Modbu...

Page 127: ... 3 9 Energy management Metering function MF Basic MF Advanced Remote access and remote switching Integration in powermanager and TIA 3WL10 Communication Manual You will find more information on communication links in the Communication Manual of the 3WL10 circuit breaker see Chapter Product specific information Page 7 and in the Modbus map in the SIOS Portal https support industry siemens com cs ww...

Page 128: ...Application planning 4 3 Communication planning Air circuit breaker 3WL10 126 Manual 11 2017 L1V30499596002 01 ...

Page 129: ...e Also note the relevant notes in Chapter Safety instructions Page 9 NOTICE Damage due to setting down on the rear face Circuit breakers and guide frames must not be set down on their rear face After unpacking stand the circuit breaker guide frame upright on its underside Note Clean the main conductor terminals Clean busbars stripped cable ends and cable lugs The contacts of the busbars cable lugs...

Page 130: ...m Connections of the fixed breaker version Front terminals for main circuit connection 18 40 Front connection bars extended 18 40 Horizontally orientable rear terminals 20 18 Vertically orientable rear terminals 20 40 Connections of the guide frame Front terminals for main circuit connection 12 40 Front connection bars extended 122 40 Horizontally vertically orientable rear terminals for main circ...

Page 131: ...user with the connections chosen in the basic configuration of the circuit breaker Any necessary installation of connections is described below Mounting front extended terminals for main circuit connection and circular conductor terminals 4x240 Front extended terminals for main circuit connection and circular conductor terminals are supplied unmounted with the circuit breaker Screw the front exten...

Page 132: ...tion and vice verse if necessary 1 Remove the rear terminals for main circuit connection from the circuit breaker and pull the terminals out of the insulating frame 2 Disconnect the two parts of each terminal and place one on top of the other again For vertical orientation The two widened ends are opposite each other see figure below For horizontal orientation The two widened ends are next to each...

Page 133: ...unting and connection Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 131 4 Remount the rear terminals for main circuit connection on the circuit breaker for tightening torques see table Tightening torques at a glance Page 128 ...

Page 134: ...plied unmounted with the circuit breaker Screw the extended front terminals on the circuit breaker to the unconnected flange for tightening torques see table Tightening torques at a glance Page 128 and place the insulating caps on them Mount the insulation protection see dimension drawing in Chapter Tightening torques at a glance Page 128 before or during the following assembly work in the switchb...

Page 135: ...ided unmounted with the circuit breaker Screw the circular conductor terminals 4x240 mm to the rear terminals for main circuit connection for tightening torques see table Tightening torques at a glance Page 128 Pay attention to the prescribed positioning on the right or left on each terminal for main circuit connection You will find more information in the relevant Operating Instructions see Chapt...

Page 136: ...ar terminals for main circuit connection of the guide frame are delivered completely mounted They can be turned from the horizontal to the vertical orientation and vice verse if necessary 1 Remove the rear terminals for main circuit connection from the guide frame 2 Turn the terminals into the required orientation and mount them back on the flange of the guide frame for tightening torques see tabl...

Page 137: ... panel Floor mounting For the drilling template see Chapter Switchboard panel hole and drilling templates fixed breaker Page 185 Mount the supports for floor fixation on the circuit breaker following the relevant Operating Instructions see Chapter Product specific information Page 7 Fasten the circuit breaker to the compartment floor of the switchboard panel with four screws M5 x 25 with a tighten...

Page 138: ... breaker for tightening torques see table Tightening torques at a glance Page 128 Note the operating instructions of the relevant connection system see Chapter Product specific information Page 7 3 Mount the prescribed insulation accessories You will find information about the insulation measures in Chapter Isolating distances and insulating equipment Page 119 When mounting the insulation accessor...

Page 139: ...uide frame When a withdrawable circuit breaker is delivered the guide frame is already correctly coded The user only needs to code the guide frame if the guide frame and circuit breaker are ordered separately 1 Screw the screws supplied into the holes of the left hand guide frame side wall You will find the correct coding for the circuit breaker on the label next to the holes 2 Check whether the c...

Page 140: ...stalling the guide frame 1 Install the guide frame in the switchboard panel Floor mounting For the drilling template see Chapter Switchboard panel hole and drilling templates withdrawable breaker Page 193 Fasten the guide frame to the base of the switchboard panel with four screws M8 x 25 with a tightening torque of 21 Nm ...

Page 141: ...ure that the guide frame is grounded see Chapter Power supply grounding and connection Page 116 3 Screw the busbars cables of the main conductor paths to the connections of the withdrawable breaker version for tightening torques see table Tightening torques at a glance Page 128 Note the operating instructions of the relevant connection system see Chapter Product specific information Page 7 4 Mount...

Page 142: ...ctions Page 9 Put the circuit breaker into the OPEN position Discharge the spring energy store Auxiliary conductor termination area Accessories area The internal accessories are installed in the accessories area of the circuit breaker behind the front cover This is where all auxiliary and signaling switches that communicate states as well as auxiliary solenoids and components that provide extra fu...

Page 143: ... L1V30499596002 01 141 such as the operator the contact system the current conducting paths the arc chute and the electronics for safety reasons too 1 Remove the front cover and the terminal covers of the circuit breaker to install internal accessories 3 pole circuit breaker 4 pole circuit breaker ...

Page 144: ...th the circuit breaker pass through the auxiliary conductor terminal system and the auxiliary conductor terminals it contains or the CB Bus Module that is plugged in The internal wiring to the corresponding pins is available on every circuit breaker By studying the labeling shown below the user will find the relevant pin assignment for the external wiring of the user s accessories to the correspon...

Page 145: ...it diagrams see Chapter Circuit diagrams Page 197 Auxiliary conductor terminal strip of guide frame For the circuit diagram number see Chapter Circuit diagrams Page 197 On the auxiliary conductor terminal strip of the fixed circuit breaker the terminals BREAKER CONNECT and EXT IN are in different positions However their connection functionality is identical to the fixed breaker 4 Remount the front...

Page 146: ... LED test If the battery is working normally the LED test is passed as described above Protection function test 1 Make sure that the circuit breaker is in the CLOSED ON position and that the main circuits are not carrying any current 2 Connect the ETU via the TD410 or TD420 test device with a laptop on which the powerlog soft ware is installed 3 Run the protection function test with powerlog and c...

Page 147: ...the general testing of the circuit breaker and its installed environment Items to be tested1 Checks Switchboard 1 Sufficient ventilation to avoid overtemperatures 2 Clean installation location free of all installation waste e g cables tools metal splinters 3 Circuit breaker correctly mounted tightening torques and ventilation clearances observed 4 The environmental conditions of the installation m...

Page 148: ...nsformers ETU and trip coil is performed continuously by the electronics itself watchdog Items to be tested1 Checks Enable alarms Connect the ETU to a test device and check that no alarms are pre sent Status of the circuit breaker On the ETUs of the 3 series the status of the circuit breaker must not be incorrect see tables of the LED display in Chapter Alarms Page 161 Perform a close open operati...

Page 149: ...ate the undervoltage coil at the appropriate nominal voltage and perform the closing operation on the circuit breaker Result The circuit breaker closes The behavior and the signals of the auxiliary switches are correct Note If the undervoltage coil is tripped by a shunt release ST the circuit breaker cannot be reclosed until voltage is applied to the undervoltage coil again Make sure that the coil...

Page 150: ...nnected posi tion1 1 Connect the auxiliary contacts to the corresponding signaling circuits 2 Put the circuit breaker into the following positions CONNECT TEST and DISCONNECT Result The signals caused by each operation are correct Mutual mechanical interlocking between circuit breakers installed side by side or one above the other Perform the function tests Result The interlockings function correc...

Page 151: ...the TD310 test device if connected 5 Connecting the voltage Connect the auxiliary voltage 6 Closing the switchboard Close the control cabinet door 7 Charging the springs Charge the springs with the hand lever 8 Undervoltage release Make sure that voltage is applied to the undervoltage release 9 Open and close the closing coil and shunt release Make sure no voltage is applied to the closing coil an...

Page 152: ...Connection and commissioning 5 4 Commissioning Air circuit breaker 3WL10 150 Manual 11 2017 L1V30499596002 01 ...

Page 153: ...N CLOSED Mechanical ON pushbutton Mechanical OFF pushbutton Status indicator of spring energy store CHARGED DISCHARGED Manual lever for charging the spring energy store The following conditions must be met before the circuit breaker can be closed Circuit breaker in the OPEN position Spring energy store compressed Open command via remote access is not pending Interlocking with open command is not p...

Page 154: ...ith stored energy again circuit breaker is in the CLOSED position The contact system can also be opened at any time without additional energy input This means when the circuit breaker trips it transmits this stored energy of the spring energy store to the contact system and the circuit breaker can be reclosed immediately This enables the following switching sequence in the CLOSED state and with th...

Page 155: ...e conducting paths The switch position indicator changes to the CLOSED symbol and the spring energy store changes to the DISCHARGED state The spring energy store can then be charged again Open circuit breaker 1 Press the Mechanical OFF pushbutton The circuit breaker opens the contacts to the conducting paths The switch position indicator changes to the OPEN symbol The status and the status indicat...

Page 156: ...nstalled You will find information on these coils in Section Accessories for circuit breaker Page 75 Closing opening the circuit breaker via the communication system 1 Charge the storage spring if it is not already charged It is advisable to use the accessory spring charging motor MO so that the spring energy store can be charged via the communication system too 2 Transmit a closing opening comman...

Page 157: ...reaker can be acquired Setting the parameters and line frequency on the electronic trip units of the 3 series The releases of the ETUs of the 3 series have rotary coding switches and DIP switches The parameters of the protection releases L S I and G are set with the relevant rotary coding switch the neutral protection and the line frequency are set with the DIP switches Setting parameters with the...

Page 158: ...eutral protection with the two DIP switches in the range IN The setting symbols below the DIP switches show the necessary position of the DIP switches in relation to each other Example neutral protection OFF Setting the line frequency with the DIP switches 1 Set the DIP switches in the Hz area to the correct line frequency Example line frequency 50 Hz ...

Page 159: ...the electronic trip units Page 35 Entering parameters 1 Use the arrow keys to navigate to the parameter display 2 Press the OK control key Parameter editing mode is active The password has its default setting 0001 3 Use the arrow keys to navigate to the parameter area of the required protection release 4 Press the control key OK The parameter can now be set or modified 5 Use the arrow keys to set ...

Page 160: ...er must only ever be racked while it is open Switch the circuit breaker into the OPEN position Discharge the spring energy store Inserting the racking handle 1 Pull the racking handle out of the guide frame 2 Fold the handle of the racking handle into position 3 Insert the racking handle into the opening above the position indicator and press the unlocking button PUSH before Operating ...

Page 161: ...ges It is then not possible to turn the racking handle any further and the PUSH before Operating enabling pushbutton is now flush with the front of the guide frame In the TEST position the internal accessories are contacted and can be tested Moving between switch positions Note The circuit breaker engages in each switch position To move it to the next switch position you have to press the unlockin...

Page 162: ... circuit breaker safely 1 Insert the racking handle see Section Inserting and removing the racking handle above 2 Move the circuit breaker into the DISCONNECT position 3 Operate the side locking lever above the racking rail and remove the circuit breaker from the guide frame Removing the racking handle 1 Pull the racking handle out 2 Fold the handle back into line and return the racking handle to ...

Page 163: ...ays electronic trip units of the 6 series of the ETU Indications of the ETUs of the 3 series LED protection release L LED protection release S LED protection release I LED protection release G LED ACT The electronic trip units of the 3 series display the indications and alarms on the LEDs on their front face Note The diagram shows the maximum possible number of LEDs Depending on the version of you...

Page 164: ...leases L S I G Alarm status Measure comment Flashing fast 2 Hz Flashing fast 2 Hz Flashing fast 2 Hz Flashing fast 2 Hz Auxiliary solenoid closing coil shunt release CC ST not connected or trip command failed Check connections Flashing slowly 0 5 Hz Flashing fast 2 Hz Flashing fast 2 Hz Flashing fast 2 Hz Current sensor not connected Check connections Flashing slowly 0 5 Hz with 2 s pause Flashing...

Page 165: ... Circuit breaker has been tripped by the L release Clear faults in the power system and close the circuit breaker again On Circuit breaker has been tripped by the S release Clear faults in the power system and close the circuit breaker again On Circuit breaker has been tripped by the I release Clear faults in the power system and close the circuit breaker again On Circuit breaker has been tripped ...

Page 166: ...ng plug for 400 A otherwise Ig 0 2 x In Flashing fast 2 Hz Installation error Check and correct the installation Flashing slowly 0 5 Hz Circuit breaker in undefined or faulty state Check the position of the circuit breaker in the guide frame check the functioning of the modules signaling the main contacts Flashing slowly 3 x 0 5 Hz with 3 s pause Maintenance necessary Perform maintenance 5 x flash...

Page 167: ...LED ACT Warning display 1 Warning display 2 i Test control key Display Display of the LED ACT The LED name ACT stands for ACTIVE This LED indicates that the ETU is ready for operation If the LED does not light up the power supply of the ETU is interrupted and the ETU is not ready to operate ACT Alarm status Measure comment Flashing slowly 1 Hz 0 1 s on 0 9 s off ETU ready No measures required Off ...

Page 168: ... continuous operating current Contact erosion 80 Prompt maintenance and replacement of the circuit breaker required Line frequency outside the tolerance Check possible interference fac tors In_pal warning Pre alarm threshold has been exceeded Flashing fast 2 Hz A warning is pending Press the control key i Test to display a list of warning messages on the display You can read what action to take in...

Page 169: ...Technical Support This requires a test device TD410 or TD420 and the powerconfig and powerlog software Load the powerconfig software https support industry siemens com cs ww en view 63452759 onto a laptop computer connected to the Internet Download the powerlog software from the SIOS Portal https support industry siemens com cs ww en view 109749079 Connect the PC via the test device TD410 or TD420...

Page 170: ...Operation 6 3 Troubleshooting Air circuit breaker 3WL10 168 Manual 11 2017 L1V30499596002 01 ...

Page 171: ...cuit and visibly ground the connections on the line side and on the load side On the withdrawable breaker Rack the circuit breaker into the breaker position DISCONNECT If necessary secure it against falling Disconnect the guide frame from the power system and auxiliary circuit and visibly ground the terminals on the line side and on the load side Note Put the circuit breaker into a safe state that...

Page 172: ...of the 3 series the status of the circuit breaker must not be incorrect see tables of the LED display in Chapter Alarms Page 161 Perform a close open operation on the circuit breaker and check that no alarms have occurred On the ETUs of the 6 series the status of the circuit breaker must be correctly shown on the display Perform a close open operation on the circuit breaker and check that the chan...

Page 173: ...amage visual inspection Checking connections and installation Check the connections 1 Remove dust and dirt from the terminals with a dry brush or cloth If necessary you can use a mild cleaning agent In the case of severe contamination you can use a cleaning agent such as Henkel 273471 Chemma 18 or an equivalent cleaner 2 Check that the terminals do not exhibit any signs of overheating One indicati...

Page 174: ...2 Manual 11 2017 L1V30499596002 01 7 5 Basic unit and accessories 7 5 1 Removing the front plate and accessories For further maintenance the circuit breaker must be partially disassembled 1 Remove the front plates and terminal covers 2 Remove the spring charging motor MO if installed ...

Page 175: ...nit and accessories Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 173 3 Remove the undervoltage release UVR if installed and discharge the springs of the tripping mechanism 4 Remove the cover over the mechanical pushbuttons ...

Page 176: ...low with Mobilgrease 28 from EXXON MOBIL 3 Make sure that the shafts of the opening and closing mechanism can be moved freely 7 5 3 Inspecting the accessories 1 Check that the accessories are firmly seated in the circuit breaker 2 Check correct connection between the circuit breaker and the accessories 3 Make sure that any auxiliary solenoids are in a good condition No increased wear No signs of o...

Page 177: ...up the wear indicator on the contacts of the circuit breaker on the display 5 After the work remove the TD310 Activation Trip Box from the ETU Check the TD410 Breaker Data Adapter and the TD420 test device 1 Connect the TD 410 or TD420 to the ETU and to a PC with the powerconfig software 2 Check whether there are any alarm messages and evaluate them see Chapter Alarms Page 161 3 If there are no al...

Page 178: ...ing operations ten times using the relevant accessories including via remote access if available Open Close Trip with the test button on the ETU Perform the operations in the following order Open spring discharged Open spring charged Close spring discharged Close spring charged 5 Check whether the following modules respond correctly if available Accessories Spring charging motor MO Undervoltage re...

Page 179: ... AC kA 42 50 Rated service short circuit breaking capacity Ics 415 V AC kA 42 50 50 500 V AC kA 42 50 50 690 V AC kA 42 50 Rated short circuit making capacity Icm 415 V AC kA 88 121 145 500 V AC kA 88 105 105 690 V AC kA 88 105 Rated short time withstand current Icw 1 s kA 42 42 50 3 s kA 24 24 36 Break time I Icw ms 40 I Icw ms 25 Rated conditional short circuit current of the non automatic air c...

Page 180: ...Technical specifications Air circuit breaker 3WL10 178 Manual 11 2017 L1V30499596002 01 ...

Page 181: ...Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 179 Dimension drawings 9 9 1 Fixed breaker 9 1 1 Circuit breaker without connections ...

Page 182: ... Fixed breaker Air circuit breaker 3WL10 180 Manual 11 2017 L1V30499596002 01 9 1 2 With front terminals for main circuit connection A With door sealing frame IP30 protective cover IP55 top cover Without 130 to 164 mm 170 mm ...

Page 183: ...6002 01 181 9 1 3 With front connection bars extended Prescribed insulation measure Insulation plates top and bottom provided by customer Prescribed insulation measure Phase barriers top and bottom A With door sealing frame IP30 protective cover IP55 top cover Without 130 to 164 mm 170 mm ...

Page 184: ... breaker Air circuit breaker 3WL10 182 Manual 11 2017 L1V30499596002 01 9 1 4 With circular conductor terminals adapter 4x240 on the front A With door sealing frame IP30 protective cover IP55 top cover Without 130 to 164 mm 170 mm ...

Page 185: ...Dimension drawings 9 1 Fixed breaker Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 183 9 1 5 With rear terminals for main circuit connection ...

Page 186: ...Dimension drawings 9 1 Fixed breaker Air circuit breaker 3WL10 184 Manual 11 2017 L1V30499596002 01 A With door sealing frame IP30 protective cover IP55 top cover Without 130 to 164 mm 170 mm ...

Page 187: ...Dimension drawings 9 1 Fixed breaker Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 185 9 1 6 Switchboard panel hole and drilling templates fixed breaker Dimensions of switchboard panel ...

Page 188: ...r 3WL10 186 Manual 11 2017 L1V30499596002 01 Hole pattern for switchboard panel door A See table below Standard Locking device OFF pos Ronis lock to prevent unauthorized closing A MIN 49 5 mm 63 5 mm A MAX 83 5 mm 97 5 mm Drilling pattern for floor fixation ...

Page 189: ...11 2017 L1V30499596002 01 187 Drilling pattern for wall mounting and cutout for rear terminals for main circuit connection version horizontal vertical Cutouts top and bottom only required with rear connections A 3 pole 192 5 mm 4 pole 262 5 mm W 3 pole 70 mm 4 pole 140 mm ...

Page 190: ...breaker Air circuit breaker 3WL10 188 Manual 11 2017 L1V30499596002 01 9 2 Withdrawable breaker 9 2 1 Circuit breaker guide frame without connections Distance from CONNECT position to DISCONNECT position Rear partition for rear terminals ...

Page 191: ...Dimension drawings 9 2 Withdrawable breaker Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 189 9 2 2 With rear terminals for main circuit connection ...

Page 192: ...Dimension drawings 9 2 Withdrawable breaker Air circuit breaker 3WL10 190 Manual 11 2017 L1V30499596002 01 1 Rear partition for rear terminals ...

Page 193: ...Dimension drawings 9 2 Withdrawable breaker Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 191 9 2 3 With rear circular conductor terminals 4 x 240 mm2 1 Rear partition for rear terminals ...

Page 194: ...able breaker Air circuit breaker 3WL10 192 Manual 11 2017 L1V30499596002 01 9 2 4 With main connection elements accessible from the front 1 Insulation protection 2 Rear partition for main connection elements accessible from the front ...

Page 195: ...sion drawings 9 2 Withdrawable breaker Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 193 9 2 5 Switchboard panel hole and drilling templates withdrawable breaker Dimensions of switchboard panel ...

Page 196: ...6002 01 Hole pattern for switchboard panel door 1 Distance from CONNECT position to DISCONNECT position A See table below W See table below Standard Locking device against movement of the withdrawable CB Locking device OFF pos Ronis lock to prevent unauthorized closing A 36 mm 46 5 mm W 44 5 mm 55 mm ...

Page 197: ...ension drawings 9 2 Withdrawable breaker Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 195 Drilling pattern for floor fixation and fixation on support plate Drilling pattern for wall mounting ...

Page 198: ...Dimension drawings 9 2 Withdrawable breaker Air circuit breaker 3WL10 196 Manual 11 2017 L1V30499596002 01 ...

Page 199: ...Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 197 Circuit diagrams 10 ...

Page 200: ...Circuit diagrams Air circuit breaker 3WL10 198 Manual 11 2017 L1V30499596002 01 Overall circuit diagram for fixed breakers ...

Page 201: ...Circuit diagrams Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 199 Overall circuit diagram for withdrawable breakers ...

Page 202: ...99596002 01 Note The following circuit diagrams each have a circuit diagram number This number is shown again in Chapter Installing accessories Page 140 in the diagram of the terminals for auxiliary supply connection Tripped signaling switch S24 Circuit diagram number 1 ...

Page 203: ...t diagrams Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 201 Spring charging motor MO spring charged signaling switch S21 Circuit diagram number 2 Remote reset magnet RR Circuit diagram number 3 ...

Page 204: ...Circuit diagrams Air circuit breaker 3WL10 202 Manual 11 2017 L1V30499596002 01 Optional voltage input external neutral for the metering function of a 3 pole circuit breaker Circuit diagram number 4 ...

Page 205: ...Circuit diagrams Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 203 CT for grounded transformer star point G_ret Circuit diagram number 5 ...

Page 206: ...Circuit diagrams Air circuit breaker 3WL10 204 Manual 11 2017 L1V30499596002 01 Summation current transformer Rc CT Circuit diagram number 5 ...

Page 207: ... supply communication modules digital I O module IOM040 external power supply position signaling switch PSS for guide frame PSS COM Circuit diagram number 6 Digital I O module IOM040 COM041 PROFINET COM043 Modbus TCP COM044 IEC 61850 COM040 PROFIBUS COM042 Modbus RTU Of these three modules a maximum of two modules can be installed ...

Page 208: ...grams Air circuit breaker 3WL10 206 Manual 11 2017 L1V30499596002 01 External I O module IOM300 Circuit diagram number 6 Rogowski CT solo external neutral for 3 pole circuit breakers only Circuit diagram number 7 ...

Page 209: ...cuit diagrams Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 207 Ready to close signaling switch RTC Circuit diagram number 8 Undervoltage release shunt release UVR ST2 Circuit diagram number 9 ...

Page 210: ...Circuit diagrams Air circuit breaker 3WL10 208 Manual 11 2017 L1V30499596002 01 Time delay device for UVR Closing coil CC shunt release ST Circuit diagram number 10 ...

Page 211: ...Circuit diagrams Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 209 Auxiliary switch AUX Circuit diagram number 11 Position signaling switch PSS for guide frame ...

Page 212: ...Circuit diagrams Air circuit breaker 3WL10 210 Manual 11 2017 L1V30499596002 01 ...

Page 213: ...ll en WW Catalog StartConfigurator configId 11 node Id 10027213 kmat 3WL10 bookmark In the Online Configurator impermissible combinations are automatically excluded in the article number If you compile the article number yourself based on the following lists you must check the exclusion criteria yourself You will find more information in Catalog 3WL10 see Chapter Reference documents Page 7 Article...

Page 214: ...cation link1 E Metering function Advanced voltage tap top with communication link1 F 11 Including Breaker Connect module COM ACT COM RTC COM PSS for withdrawable breaker Example article number metering function Basic voltage tap bottom with communication link 3 W L 1 0 1 0 2 C Position 10 ETU Switch disconnector A ETU320 B ETU650 E ETU350 C ETU660 F ETU360 D Example article number ETU660 3 W L 1 0...

Page 215: ...ion mounted vertically 3 W L 1 0 1 0 2 C F 4 1 Position 13 Spring charging motor MO No spring charging motor 0 Spring charging motor MO 24 to 30 V AC DC 1 110 V AC DC 3 48 to 60 V AC DC 2 230 V AC DC 4 Example article number spring charging motor 24 30 V AC DC 3 W L 1 0 1 0 2 C F 4 1 1 Position 14 Auxiliary release closing coil CC and remote reset magnet RR Without closing coil CC and without remo...

Page 216: ...ons 48 V AC DC and 60 V AC DC can be ordered separately 24 V 30 V DC 110 V to 127 V AC DC N with 24 V UVR M 220 V to 250 V AC DC P Second shunt release ST2 24 V AC DC Q 110 V to 120 V AC DC U 30 V AC DC R 120 V to 127 V AC DC V 48 V AC DC S 220 V to 240 V AC DC W 60 V AC DC T 240 V to 250 V AC DC X Example article number undervoltage release UVR 24 V AC DC 3 W L 1 0 1 0 2 C F 4 1 1 L B Position 16...

Page 217: ...y been chosen with a higher rated current than is required the existing installation with a view to future expansion of the overall installation Rating plug Z option code Rating plug Rating plug L OFF Rating plug with RC function 400 A B04 400 A L04 400 A G04 630 A B06 630 A L06 630 A G06 800 A B08 800 A L08 800 A G08 1000 A B10 1000 A L10 1250 A G12 1250 A L12 Z option choice of communication mod...

Page 218: ...alog 3WL10 see Chapter Reference documents Page 7 For the withdrawable breaker the position signaling switch 400 V AC is delivered as standard with the guide frame The guide frame signaling switch can also be ordered optionally with digital contacts The spring charged signaling switch S21 is delivered with standard contacts It can optionally be replaced by the version with a contact for the digita...

Page 219: ...rm Ir ST protection Short time delayed short circuit protection Enable Enable tripping Characteristic I t OFF I t ON Operating value Isd Delay time tsd Activate startup Startup operating value Startup time delay INST protection Instantaneous short circuit protection Enable Operating value Ii Activate startup Startup operating value Startup time delay GF protection Ground fault protection Enable Gr...

Page 220: ...tartup operating value Fw Startup operating value Bw Startup time delay DST Min Angle I NBA protection Current unbalance Enable Operating value Inba Delay time tnba I Enable tripping Vu protection Undervoltage Enable Operating value Uu Delay time tu U Enable tripping Vo protection Overvoltage Enable Operating value Uo Delay time to U Enable tripping V NBA protection Voltage unbalance Enable Operat...

Page 221: ...l 3 RP protection Reverse active power protection Enable Operating value Prv Delay time trv P Enable tripping Pre alarm PAL Phase cos Ø Operating value 1 Ir_pal 1 Operating value 2 Ir_pal 2 Operating value 1 In_pal 1 Operating value 2 In_pal 2 Phase sequence Cos Ø Functions External tripping DAS mode arc fault mitigation Reset tripped signal ...

Page 222: ...Qmean Smax Smean Current Imin Imax Voltage Umin Umax Reset values Power factor p f Measured cos Ø value Frequency Measured frequency value Energy Energy counter Energy counter EP value kWh EQ value kvarh ES value kVAh Reset energy counter Yes No Reset energy Function time delay Peak factor Peak RMS Rate L1 value L2 value L3 value N value Maintenance Contact erosion in Last maintenance contacts in ...

Page 223: ...ne frequency Values 50 Hz 60 Hz Phase sequence Setting list Module Optional modules Local remote Local CB Bus Metering MF Basic Voltage transformer external unused Rated voltage MIN to MAX Primary voltage MIN to MAX Secondary voltage MIN to MAX Positive power flow Bottom top bottom Functions Activate LOCAL mode Function time delay Reset IOM040 module Function time delay Recording time MIN to MAX i...

Page 224: ...017 L1V30499596002 01 Level 1 main menu Level 2 Level 3 System settings Date Time Language New password View User info page Off on Display contrast MIN to MAX in Functions ST command Function time delay MIN to MAX CC command Function time delay MIN to MAX Maintenance Settings Alarms Off on ...

Page 225: ...mproper handling You must discharge your body electrostatically immediately before touching an electronic component To do this touch a conductive grounded object e g a bare metal part of a switch cabinet or the water pipe Always hold the component by the plastic enclosure Electronic modules should not be brought into contact with electrically insulating materials such as plastic film plastic parts...

Page 226: ...he diagrams below illustrate the required ESD protective measures for electrostatic sensitive devices 1 ESD seat 2 ESD standing position 3 ESD seat and ESD standing position Protective measures a Conductive floor b ESD table c ESD footwear d ESD smock e ESD bracelet f Cubicle ground connection Figure B 1 ESD work center ...

Page 227: ...t G Ground fault ground fault protection GF GF Ground fault protection I Instantaneous instantaneous short circuit protection INST I O Input Output IEC International Electrotechnical Commission INST Instantaneous short circuit protection IP International Protection L Long time delay overload protection LT overload release LT tripping charac teristic Partial overload range of the characteristic cur...

Page 228: ...t breaking capacity Ics Maximum short circuit breaking capacity partial selectivity rated service short circuit breaking capacity Icu Maximum short circuit breaking capacity full selectivity rated ultimate short circuit breaking capacity Icw Rated short time withstand current rated short time current Id Prospective current residual current response residual current ID Let through current Ig Ground...

Page 229: ... Contact resistance of exposed conductive part ground t1 Time of inrush current t2 Ramp up time tA Safety clearance tg Delay time associated with the adjustable response current trip time associated with ground fault current setting value Tp Trip time delay time time lag class tr Trip time associated with current setting value of adjustable overload protection tsd Trip time associated with short t...

Page 230: ...List of abbreviations C 1 Table of abbreviations Air circuit breaker 3WL10 228 Manual 11 2017 L1V30499596002 01 ...

Page 231: ... unbalance Protection function 44 D DAS 44 Design Electronic trip units 3 series 35 Electronic trip units 6 series 36 Digital I O module 88 Discharge 223 Display 36 Display elements 35 36 E Electrostatic sensitive devices 223 ESD bracelet 224 ESD footwear 224 ESD protective measures 224 ESD seat 224 ESD smock 224 ESD standing position 224 ESD table 224 ETU 3 series 35 ETU 6 series 36 External CT f...

Page 232: ...tion functions 39 Protective covers 93 R Racking the circuit breaker Checking 148 Ready to close signaling switch 82 Ready to close signaling switch for communication 88 Remote reset magnet 78 Reverse active power protection 46 Rogowski CT solo external neutral 91 Rotary coding switch 35 S Selectivity 33 Short circuit protection Directed 47 Instantaneous 42 Short time delayed 42 Shunt release 77 C...

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