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Commissioning

12.7 Thermistor motor protection

SIRIUS 3RW30 / 3RW40

108

Manual, 01/2010, 535 1995-02 DS01

12.7

Thermistor motor protection

(Optional for 3RW40 2. to 3RW40 4. with 24 V AC/DC rated control voltage)

Thermistor motor protection

After removing the copper jumper between T11/21 and T22, you can connect and evaluate
either a Klixon thermistor integrated in the motor winding (at terminal T11/T21-T22) or a type
A PTC (at terminal T11/T21-T12).

12.8

Motor protection trip test

TEST / RESET button

You initiate a motor overload trip by pressing the RESET / TEST button for longer than five
seconds. The SIRIUS 3RW40 soft starter is tripped by the fault signal at the OVERLOAD
LED, the FAILURE / OVERLOAD contact 95-98 closes, and the motor that is connected and
running is switched off.

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Summary of Contents for SIRIUS 3RW40

Page 1: ...Soft starters SIRIUS 3RW30 3RW40 Manual 01 2010 Industrial Controls Answers for industry ...

Page 2: ......

Page 3: ...n 1 Safety information 2 Product description 3 Product combinations 4 Functions 5 Application planning 6 Installation 7 Installation mounting 8 Connecting 9 Operation 10 Configuration 11 Commissioning 12 Technical data 13 Dimension drawings 14 Typical circuit diagrams 15 Accessories 16 Appendix A ...

Page 4: ...umentation for the specific task 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 WARNING Siemens products may only be used for the applications described in the c...

Page 5: ...ombinations 25 4 1 SIRIUS modular system 25 5 Functions 27 5 1 Start modes 27 5 1 1 Voltage ramp 27 5 1 2 Current limiting and ramp up detection 3RW40 only 29 5 2 Stop modes 30 5 2 1 Stop without load 3RW30 and 3RW40 31 5 2 2 Soft stop 3RW40 only 31 5 3 Motor protection intrinsic device protection 3RW40 only 32 5 3 1 Motor protection function 32 5 3 2 Intrinsic device protection 3RW40 only 35 5 4 ...

Page 6: ...electrical systems 58 8 3 General feeder assembly type of coordination 1 59 8 4 Soft starter with line contactor type of coordination 1 60 8 5 Soft starter assembly with type of coordination 2 61 8 6 Capacitors to improve the power factor 62 8 7 Maximum cable length 63 9 Connecting 65 9 1 Electrical connection 65 9 1 1 Control and auxiliary terminals 65 9 1 2 Main circuit connection 65 10 Operatio...

Page 7: ... 12 2 6 ON output 96 12 3 3RW30 LEDs and troubleshooting 97 12 4 Commissioning the 3RW40 98 12 4 1 Commissioning procedure 99 12 4 2 Quick commissioning of the 3RW40 and optimization of the parameters 100 12 4 3 Setting the soft start function 101 12 4 4 Setting the starting voltage 102 12 4 5 Setting the ramp time 102 12 4 6 Current limiting in conjunction with a starting voltage ramp and ramp up...

Page 8: ...pplications and normal starting CLASS 10 with thermistor motor protection evaluation 137 13 2 4 Selection and ordering data for standard applications and normal starting CLASS 10 139 13 2 5 Selection and ordering data for standard applications and heavy duty starting CLASS 20 141 13 2 6 Selection and ordering data for standard applications and heavy duty starting CLASS 20 143 13 2 7 3RW40 2 3 4 co...

Page 9: ...tactor 177 15 6 1 Control of the 3RW30 with a main contactor 177 15 6 2 Control of the 3RW40 with a main contactor 178 15 7 Reversing circuit 180 15 7 1 3RW30 reversing circuit 180 15 7 2 3RW40 reversing circuit 181 15 8 Control of a magnetic parking brake 183 15 8 1 3RW30 motor with magnetic parking brake 183 15 8 2 3RW40 2 to 3RW40 4 control of a motor with a magnetic parking brake 184 15 8 3 3R...

Page 10: ...s to 3RV10 motor starter protectors 201 16 6 Link modules to 3RV20 motor starter protectors 201 16 7 Optional fan to increase the switching frequency 3RW40 2 to 3RW40 4 202 16 8 Spare parts for fans 3RW40 5 3RW40 7 202 16 9 Operating instructions 202 A Appendix 203 A 1 Configuration data 203 A 2 Table of parameters used 205 A 3 Correction sheet 206 ...

Page 11: ...S 3RW30 and 3RW40 soft starters It describes the components that are valid at the time of publication SIEMENS reserves the right to include a Product Information for each new component and for each component of a later version Standards and approvals The SIRIUS 3RW30 and 3RW40 soft starters are based on the IEC EN 60947 4 2 standard Disclaimer of liability It is the responsibility of the manufactu...

Page 12: ...lity will be happy to help you with any queries you have regarding the soft starters A list of contacts and the latest version of the manual are available on the Internet at www siemens com softstarter For all technical queries please contact Correction sheet A correction sheet is included at the end of the manual Please use it to record your suggestions for improvements additions and corrections ...

Page 13: ...st electrical accidents 1 Isolate 2 Secure against switching on again 3 Verify that the equipment is not live 4 Ground and short circuit 5 Erect barriers around or cover adjacent live parts These five safety rules must be applied in the above order prior to starting work on an electrical system After completing the work proceed in the reverse order It is assumed that every electrician is familiar ...

Page 14: ...of the work This can be achieved for instance by securing the motor and miniature circuit breakers with lockable blocking elements in the disconnected state either using a lock or by unscrewing the fuses 3 The deenergized state of the equipment should be verified using suitable test equipment e g a two pole voltmeter Single pole test pins are not suitable for this purpose The absence of power must...

Page 15: ... monitoring values as well as for ultra heavy duty starting The SIRIUS 3RW44 soft starter is described in a separate system manual Download from 3RW44 manual http support automation siemens com WW llisapi dll func cslib csinfo lang de objid 21772518 caller view 3 2 Basic physical principles of a three phase induction motor SIRIUS soft starters are used to reduce the current and torque of a three p...

Page 16: ...ults in the following disadvantage Higher load on the electrical supply system The supply system must therefore be dimensioned for this higher power during the motor startup Figure 3 1 Typical starting current characteristic of a three phase induction motor Starting torque The starting torque and the breakdown torque can usually be assumed to be between two and four times the rated torque From the...

Page 17: ... two out of the three phases One thyristor for the positive half wave and one for the negative half wave is provided in each phase refer to Fig Phase angle control and schematic diagram of a two phase controlled soft starter with integral bypass contacts The current in the third uncontrolled phase is the sum of the currents in the controlled phases The rms value of the motor voltage is increased f...

Page 18: ...ced current characteristic of a three phase induction motor during starting with a SIRIUS 3RW30 or 3RW40 soft starter SIEMENS 1LG4253AA motor 55 kW Rated data at 400 V Pe 55 kW Ie 100 A Idirect starting Approx 700 A Me 355 Nm e g Me 9 55 x 55 kW x ne 1480 rpm Mdirect starting Approx 700 Nm Set starting voltage 50 of mains voltage Istarting of direct starting current approx 350 A Mstarting of direc...

Page 19: ...nverter Bypass mode Once the motor has been started up correctly the thyristors are subject to fully advanced control meaning that the whole mains voltage is applied to the motor terminals As the motor voltage does not have to be controlled during operation the thyristors are bridged by integral bypass contacts that are rated for AC1 current This minimizes the waste heat generated during uninterru...

Page 20: ...s L1 and L3 Phase 2 is an uncontrolled phase which is merely guided through the starter by a copper connection In a two phase controlled soft starter the current that results from the superimposition of the two controlled phases flows in the uncontrolled phase The main advantages of two phase control include the more compact size compared to a three phase version and the lower hardware costs The o...

Page 21: ... startup Figure 3 7 Current characteristic in the three phases without DC components thanks to polarity balancing 3 3 2 Starting current asymmetry With two phase control the starting current is asymmetrical for physical reasons because the current in the uncontrolled phase is the sum of the currents in the two controlled phases This asymmetry can be as much as 30 to 40 during starting ratio of min...

Page 22: ...Roller conveyors Compressors Fans Pumps Hydraulic pumps Agitators Circular saws band saws Note If wye delta starters are exchanged for soft starters in an existing system you should check the fuse ratings in the feeder in order to avoid false tripping This is particularly important in connection with heavy duty starting or if the fuse that is installed has already been operated close to the therma...

Page 23: ...40 Manual 01 2010 535 1995 02 DS01 23 Advantages Conveyor belts and transport systems Smooth starting Smooth stopping Rotary pumps and piston pumps No pressure surges Increased service life of the pipe system Agitators and mixers Reduced starting current Fans Protection for the gearbox and V belt ...

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Page 25: ...l switching devices can be assembled to form complete load feeders either using link modules or by mounting directly For a selection of matching device combinations e g soft starters and motor starter protectors refer to chapter Technical data Page 121 For further information on individual products refer to System manual http support automation siemens com WW llisapi dll aktprim 0 lang en referer ...

Page 26: ...35 1995 02 DS01 Figure 4 1 SIRIUS modular system 6 5 86 PRWRU VWDUWHU SURWHFWRUV 6 5 86 VRIW VWDUWHUV 6 17521 FLUFXLW EUHDNHUV 6 5 86 FRQWDFWRUV 6 5 86 RYHUORDG UHOD V 59 6 9 9 9 9 9 9 59 6 59 6 59 6 5 6 5 6 5 6 5 6 5 6 5 6 6 57 6 57 6 57 6 57 6 57 6 57 6 57 6 5 6 5 6 5 6 5 6 5 6 5 6 6 ...

Page 27: ...hich drives the load during the ramp up process A longer ramp time results in a lower acceleration torque as the motor is started up The startup is slower and smoother as a result The ramp time should be long enough for the motor to reach its nominal speed If the time selected is too short in other words if the ramp time ends before the motor has started up successfully a very high starting curren...

Page 28: ...amaged because the internal bypass contacts close when the set ramp time elapses If the motor has not finished starting up an AC3 current that could damage the bypass contact system will flow When using the 3RW40 The 3RW40 has an integrated ramp up detection function that prevents this operating state from occurring 9ROWDJH LQ 80RWRU 3DUDPHWHUL DEOH VWDUW YROWDJH 6KRUW VWDUWLQJ WLPH RQJHU VWDUWLQJ...

Page 29: ...the voltage ramp is interrupted and the motor is started with the current limiting value until it has started up successfully The current limiting function is always active with SIRIUS 3RW40 soft starters If the current limiting potentiometer is set to the clockwise stop maximum the starting current is limited to five times the set rated motor current Current limiting value The current limiting va...

Page 30: ...ased to 100 of the mains voltage The internal bypass contacts close and the thyristors are bridged Figure 5 4 Current limiting with soft starter Typical applications for current limiting Current limiting is used for applications with large centrifugal masses mass inertias and therefore longer ramp up times e g fans circular saws etc 5 2 Stop modes You can choose between different stop modes reflec...

Page 31: ... when the load must be prevented from stopping abruptly This is typically the case in applications with a low mass inertia or a high counter torque Ramp down time The Ramp down time potentiometer on the soft starter allows you to specify how long power should still be supplied to the motor after the ON command is removed The torque generated in the motor is reduced by means of a voltage ramp funct...

Page 32: ...otor protection function The motor overload protection function is implemented on the basis of the winding temperature This indicates whether the motor is overloaded or functioning in the normal operating range The winding temperature can either be calculated with the help of the integrated electronic motor overload function or measured with a connected motor thermistor 0RWRU WRUTXH 0 01RPLQDO RSH...

Page 33: ...n the characteristic is reached depending on the trip class CLASS setting ATEX Increased safety type of protection EEx e acc to ATEX Directive 94 9 EC The SIRIUS 3RW40 soft starter sizes S0 to S12 are suitable for starting explosion proof motors with the increased safety type of protection EEx e type of protection marking Ex II 2 GD Wire the fault output 95 96 to an upstream switching device in su...

Page 34: ...y Page 161 You can set different CLASS characteristics according to the startup class Recovery time motor overload protection A recovery time of 60 seconds during which the motor cools down and cannot be restarted starts if the thermal motor model is tripped 0 a 4 59 5 4 5 1 21 1 8 Danger of death or serious injury The 3RW40 is not suitable for installation in hazardous areas The device is only al...

Page 35: ... T12 2 Thermoclick sensors for connection to terminals T11 21 and T22 The wiring and sensors are monitored for wire breakage and short circuits Recovery time thermistor motor protection If the thermistor motor protection is tripped the soft starter cannot be restarted until the sensor installed in the motor has cooled down The recovery time varies according to the temperature state of the sensor 5...

Page 36: ...n the control supply voltage is restored the current tripping state of the thermal intrinsic device protection prior to the power failure are likewise automatically restored 5 4 Functions of the RESET buttons 5 4 1 SIRIUS 3RW40 2 3RW40 3 and 3RW40 4 soft starters 5 4 1 1 RESET MODE button and LED By pressing the RESET MODE button you define the reset procedure in case of a fault This is indicated ...

Page 37: ...e motor has cooled down 5 4 1 5 Acknowledging faults For information about whether or not faults can be acknowledged as well as the corresponding LED and output contact states refer to chapter Diagnostics and fault signals Page 44 21 2 1 5 6 7 V 8V W Automatic restart Danger of death serious injury or property damage The automatic RESET mode AUTO RESET must not be used in applications where there ...

Page 38: ...ne the reset procedure in case of a fault This is indicated by the AUTO LED 5 4 2 2 Manual RESET Manual RESET with the RESET TEST button AUTO LED off You can reset a fault by pressing the RESET TEST button 5 4 2 3 Remote RESET Remote RESET AUTO LED green You can initiate a remote RESET by controlling the optional module for RESET 3RU1900 2A Yellow AUTO Off MANUAL REMOTE 0 a 0 1 5HVHW 7HVW 1 58 HUQ...

Page 39: ...OAD contact 95 98 closes and the motor that is connected and running is switched off 5 4 3 2 Reparameterizing the ON RUN output contact For information about reparameterizing the output with the RESET TEST button refer to chapter Parameterizing the 3RW40 outputs Page 110 Automatic restart Can result in death serious injury or property damage The automatic RESET mode AUTO RESET must not be used in ...

Page 40: ...rol by means of pushbuttons contactor contacts or a PLC refer to chapter Typical circuit diagrams Page 167 5 5 2 Start input terminal 3 on 3RW40 5 and 3RW40 7 Rated control voltage is present at terminal A1 A2 The startup process of the soft starter begins when a signal is present at terminal 3 IN The starter operates until the signal is removed again If a ramp down time is parameterized a soft st...

Page 41: ...at terminal T11 T21 T12 5 6 Functions of the outputs 5 6 1 3RW30 Output terminal 13 14 ON The potential free output contact at terminal 13 14 ON closes if a signal is present at terminal 1 IN it remains closed until the start command is removed The output can be used for instance to control a line contactor connected upstream or to implement latching if you selected pushbutton control For recommen...

Page 42: ... RESET TEST and RESET MODE buttons refer to chapter Commissioning the 3RW40 Page 98 RUN The RUN output remains closed as long as the motor is controlled by the soft starter in other words during the startup phase in bypass mode and during the soft stop if set This output function can be used for instance if a line contactor connected upstream must be controlled by the soft starter especially if th...

Page 43: ...rams Page 167 5 6 3 3RW40 Group fault output at terminal 95 96 98 OVERLOAD FAILURE If there is no rated control voltage or if a failure occurs the potential free FAILURE OVERLOAD output is switched For recommended circuits refer to chapter Typical circuit diagrams Page 167 For a state diagram of the contacts in the various fault and operating states refer to chapter Diagnostics and fault signals P...

Page 44: ...ult is still present contact your SIEMENS partner or Technical Assistance For notes on troubleshooting refer to the table below V RQ 5 X LOLDU FRQWDFW 6RIW VWDUWHU 5 8V 2SHUDWLQJ VWDWH 2II 6WDUW SDVVHG DXOW PSHUPLVVLEOH HOHFWURQLFV VXSSO YROWDJH SDVV RYHUORDG 0LVVLQJ ORDG YROWDJH 3KDVH IDLOXUH PLVVLQJ ORDG HYLFH IDXOW V 2II 21 ODVKLQJ UHHQ 5HG HOORZ OZ UG JQ OZ JQ JQ JQ JQ JQ JQ UG UG UG UG UG 1 9...

Page 45: ...age phase failure missing load Cause 1 Phase L1 L2 L3 is missing or fails collapses when the motor is operating Tripped as a result of a dip in the permissible rated operational voltage 15 for 100 ms during the startup process or 200 ms in bypass mode Connect L1 L2 L3 or correct the voltage dip Cause 2 The motor that is connected is too small and the fault occurs as soon as it is switched to bypas...

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Page 47: ...e rated operational current Ie set for the motor control voltage present no start command exceeds the associated maximum permissible setting current referred to the selected CLASS setting chapter Motor current settings Page 107 Check the rated operational current set for the motor select a lower CLASS setting or calculate the soft starter with a size allowance As long as the 3RW40 is not controlle...

Page 48: ...e has elapsed Overload relay tripping time 60 s Thermistor tripping time When the temperature sensor thermistor in the motor has cooled down Check whether the motor s rated operational current Ie is set correctly or Change the CLASS setting or Possibly reduce the switching frequency or Deactivate the motor protection CLASS OFF or Check the motor and the application Thermistor protection wire break...

Page 49: ...2 L3 or correct the voltage dip Cause 2 The motor that is connected is too small and the fault occurs as soon as it is switched to bypass mode Set the correct rated operational current for the connected motor or set it to the minimum value if the motor current is less than 10 of the set Ie the motor cannot be operated with this starter Cause 3 Motor phase T1 T2 T3 is not connected Connect the moto...

Page 50: ...Functions 5 7 Diagnostics and fault signals SIRIUS 3RW30 3RW40 50 Manual 01 2010 535 1995 02 DS01 ...

Page 51: ...e intervals should be minimized which is why slippage of the belt drive during startup must be prevented The high current load upon motor startup must be reduced by means of a voltage ramp The feeder assembly should be as small as possible so as not to exceed the control cabinet s space capacity The SIRIUS 3RW30 soft starter offers the following advantages The roller conveyor is rapidly accelerate...

Page 52: ...er level mains transformer during startup Integrated motor protection is called for to reduce wiring expenditure and space requirements in the control box The hydraulic pump must be started and stopped in a soft manner to minimize the mechanical load on the drive and the pump caused by torque surges during starting and stopping The SIRIUS 3RW40 soft starter offers the following advantages The sett...

Page 53: ...o 3RW40 4 with optional additional fan 3RW40 5 to 3RW40 7 Vertical mounting Horizontal mounting NSB0_01897 10 10 10 10 NSB00649 90 90 The permissible switching frequency values can vary according to the selected mounting position For information about factors and how to determine the new switching frequency refer to chapter Configuration Page 73 Note An optional fan can be ordered for the 3RW40 24...

Page 54: ...he free supply and discharge of air to and from the heat sink Figure NOTICE 7 1 Clearances from other devices MLFB a mm a in b mm b in c mm c in 3RW30 1 3RW30 2 15 0 59 60 2 36 40 1 56 3RW30 3 3RW30 4 30 1 18 60 2 36 40 1 56 3RW40 2 15 0 59 60 2 36 40 1 56 3RW40 3 3RW40 4 30 1 18 60 2 36 40 1 56 3RW40 5 3RW40 7 5 0 2 100 4 75 3 1 1 3 5 2 4 6 a a E F Allow sufficient clearances for the cooling air ...

Page 55: ... term standalone assembly is used if the clearances a b c described in chapter Mounting dimensions clearances and assembly type Page 54 are complied with Side by side assembly The term side by side assembly is used if the lateral clearance a described in chapter Mounting dimensions clearances and assembly type Page 54 are not complied with e g if several switching devices are assembled side by sid...

Page 56: ...s conform to the IP00 degree of protection The devices must be installed in control cabinets with the IP54 degree of protection pollution degree 2 taking account of the ambient conditions Make sure no liquids dust or conductive objects can get inside the soft starter The soft starter produces waste heat power loss while it is operating refer to chapter Technical data Page 121 The permissible switc...

Page 57: ...motor starter protector assignment refer to Technical data Page 121 Contact DANGER The contact function is taken care of by the SIRIUS 3RW30 or 3RW40 soft starter Hazardous voltage Danger of death or serious injury If mains voltage is present at the input terminals of the soft starter hazardous voltage may still be present at the soft starter output even if a start command has not been issued This...

Page 58: ... disconnection of live parts All pole disconnection can be achieved e g by Switching off the miniature circuit breaker Switching off the motor circuit breaker Unscrewing fusible links Removing LV HRC fuses 2 The feeder must be secured against inadvertent restarting to ensure that it remains isolated for the duration of the work This can be achieved for instance by securing the motor and miniature ...

Page 59: ...eder assembly type of coordination 1 The SIRIUS 3RW30 or 3RW40 soft starter is connected into the motor feeder between the motor starter protector and the motor Figure 8 1 Block diagram of the SIRIUS 3RW40 soft starter L2 L1 L3 PE 3 N PE 50 Hz 400 V 4 4 0 8 8 9 9 8 8 9 9 Note For the component design refer to chapter Technical data Page 121 ...

Page 60: ...starter and the motor starter protector Figure NOTICE 8 2 Block diagram of a feeder with an optional main line contactor L2 L1 L3 PE 3 N PE 50 Hz 400 V 4 4 4 0 8 8 9 9 8 8 9 9 Note For the component design refer to chapter Technical data Page 121 If a main or line contactor is used it should not be connected between the soft starter and the motor The soft starter could otherwise indicate a Missing...

Page 61: ... the feeder of the SIRIUS 3RW30 or 3RW40 soft starter is assembled accordingly with the feeder components recommended in chapter Technical data Page 121 e g motor starter protector or LV HRC fuse type of coordination 1 is achieved In order to achieve type of coordination 2 all thyristors must be additionally protected against short circuits by means of special semiconductor fuses e g SIEMENS SITOR...

Page 62: ...rent of the device the fuse does not trip Maximum configuration The maximum current permitted for the thyristor can flow without the fuse tripping The maximum configuration is recommended for heavy duty starting Risk of property damage Type of coordination 1 in accordance with IEC 60947 4 1 The device is defective following a short circuit failure and therefore unsuitable for further use personnel...

Page 63: ...W30 and 3RW40 The voltage drop due to the length of the cable to the motor may need to be considered when dimensioning the cable Cable lengths up to 500 m are permitted for SIRIUS 3RW44 soft starters refer to the 3RW44 System Manual http support automation siemens com WW llisapi dll query 3RW44 func cslib cssearch content skm 2Fmain asp lang de siteid c sius objaction cssearch searchinprim 0 nodei...

Page 64: ...Installation mounting 8 7 Maximum cable length SIRIUS 3RW30 3RW40 64 Manual 01 2010 535 1995 02 DS01 ...

Page 65: ...als The SIRIUS 3RW30 and 3RW40 soft starters can be supplied with two different connection technologies Screw type technology Spring loaded technology 9 1 2 Main circuit connection SIRIUS 3RW30 and 3RW40 soft starters up to the 55 kW 75 hp size at 400 V 480 V are designed with removable terminals at the main circuit connections ...

Page 66: ...2 6 T3 A2 A1 14 13 1 1 L1 3 L2 5 L3 110 230V NO ON RUN BYPASSED NO IN SIRIUS e CLASS 28 OFF 20 15 10 38 A 23 25 33 36 0 10 20s 5 40 100 0 5 10 20s t t U NC NO 3RW4028 1TB14 2 T1 4 T2 6 T3 T11 T21 T12 95 96 98 T22 e x I I 1 3 5 RESET MODE A2 A1 23 14 24 13 1 I RESET MODE RESET TEST RESET TEST OVERLOAD RESET MODE DEVICE STATE BYPASSED FAILURE STATE BYPASSED FAILURE DEVICE OVERLOAD RESET MODE 1L1 3L2...

Page 67: ...DS01 67 Sizes 3RW40 5 and 3RW40 7 Sizes 3RW40 5 and 3RW40 7 have busbar connections for the main circuit connection Box terminals can be retrofitted on these devices as optional accessories refer to chapter Accessories Page 199 13 14 24 23 95 96 98 A1 A2 1 2 3 2T1 4T2 6T3 1L1 3L2 5L3 ...

Page 68: ...Connecting 9 1 Electrical connection SIRIUS 3RW30 3RW40 68 Manual 01 2010 535 1995 02 DS01 ...

Page 69: ...ator controls displays and connections on the 3RW30 1 Operating voltage three phase mains voltage 2 Control supply voltage 3 IN start input 4 ON output 5 DEVICE status LED 6 STATE BYPASSED FAILURE status LED 7 Ramp up time 8 Starting voltage 9 Motor terminals 1 9 2 3 4 8 7 5 6 ...

Page 70: ...t 5 BYPASSED output 6 DEVICE STATE BYPASSED FAILURE status LEDs 7 OVERLOAD RESET MODE status LEDs 8 TEST RESET button 9 Current limiting 10 Ramp up time 11 Starting voltage 12 Ramp down time 13 Trip class 14 Motor current 15 Thermistor input can be optionally ordered with 24 V AC DC control voltage for 3RW40 2 to 3RW40 4 devices 16 Fault output 17 Motor terminals 18 RESET MODE button behind the la...

Page 71: ...n 10 2 Operator controls displays and connections on the 3RW40 SIRIUS 3RW30 3RW40 Manual 01 2010 535 1995 02 DS01 71 Figure 10 1 Button for setting RESET MODE behind the label 3 RESET MODE 1 2 RW 01200 3RW40 2 ...

Page 72: ...Operation 10 2 Operator controls displays and connections on the 3RW40 SIRIUS 3RW30 3RW40 72 Manual 01 2010 535 1995 02 DS01 ...

Page 73: ...ke account of the startup class and the switching frequency Chapters Startup class Page 76 and Calculating the permissible switching frequency Page 81 Note Voltage dips generally occur in all start modes direct starting wye delta starting soft starting when a three phase motor is switched on The infeed transformer must always be dimensioned so that the voltage dip at the motor startup remains with...

Page 74: ...f fan 10 x mass inertia of motor Recommended soft starter x Possible soft starter You can choose the optimum starter from the soft starter types available based on the intended application or the required functionality Normal starting CLASS 10 applications 3RW30 3RW40 3RW44 Pump Pump with special stop against water hammer Heat pump Hydraulic pump x Press x Conveyor belt x Roller conveyor x Conveyo...

Page 75: ...ice protection Integrated electronic motor overload protection Settable current limiting Special pump stop function Braking in ramp down Settable breakaway torque Communication via PROFIBUS optional External operation and indication display optional Soft Starter ES parameterization software Special functions e g measured values display languages etc Motor overload protection acc to ATEX Note SIRIU...

Page 76: ...r data applies the starters may need to be calculated with a size allowance Using the SIEMENS Win Soft Starter selection and simulation software you can enter your application data and requirements to obtain an optimally dimensioned soft starter refer to chapter Win Soft Starter selection and simulation software Page 162 Selection criteria Risk of property damage When using the 3RW30 Make sure the...

Page 77: ...e soft starter refer to the table below 1 Small fan Mass inertia centrifugal mass of fan 10 x mass inertia of motor 6WRS PRGH XUUHQW OLPLWLQJ YDOXH 5 6WDUWLQJ YROWDJH ವ 9ROWDJH UDPS DQG FXUUHQW OLPLWLQJ 6WDUW SDUDPHWHUV SSOLFDWLRQ 7KH VRIW VWDUWHU UDWLQJ FDQ EH HTXLYDOHQW WR WKH PRWRU UDWLQJ 1RUPDO VWDUWLQJ 66 6RIW VWRS 5 RQO RQYH RU EHOW 5ROOHU FRQYH RU HDW K GUDXOLF SXPS 3XPS 6PDOO IDQ RPSUHVVRU...

Page 78: ...W OLPLWLQJ 6WDUWLQJ YROWDJH 5DPS XS WLPH XUUHQW OLPLWLQJ YDOXH 5 V 6WRS PRGH JLWDWRU WUXGHU 0LOOLQJ PDFKLQH 0 6WRS ZLWKRXW ORDG 2II 0 6WRS ZLWKRXW ORDG 0 6WRS ZLWKRXW ORDG SSOLFDWLRQ General conditions and constraints CLASS 20 heavy duty starting 3RW40 2 3RW40 3 3RW40 4 Maximum ramp up time 20 s 300 current limiting max 5 starts hour 3RW40 5 3RW40 7 Maximum ramp up time 40 s 350 current limiting m...

Page 79: ...ads that are frequently switched on and off The ON time OT can be calculated using the following formula where OT ON time ts ramp up time s tb operating time s tp idle time s The following diagram illustrates this process Figure 11 1 ON time Switching frequency The maximum permissible switching frequency must not be exceeded because the devices could be damaged due to thermal overloading Optional ...

Page 80: ...e installation altitude exceeds 2000 m the rated voltage must also be reduced owing to the restricted dielectric strength A maximum permissible rated voltage of 460 V applies at installation altitudes between 2000 m and 5000 m above sea level The following diagram shows the reduction in the rated device current as a function of the installation altitude The rated operational current Ie must be red...

Page 81: ...e permissible switching frequency 11 6 1 Table of permissible assembly combinations with switching frequency factors The factors indicated in the table refer to the switching frequency starts hour as specified in chapter Technical data Page 121 Risk of property damage The soft starter may be damaged if the maximum installation altitude 5000 m above sea level or an ambient temperature of 60 C is ig...

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Page 84: ...ing A ramp up time of approx 3 s at an ambient temperature of 40 C is specified as a supplementary condition e g a pump motor with CLASS 10 starting The soft starter must be connected to a 3RV2021 motor starter protector by means of cables Clearance between 3RV and 3RW 40 mm MLFB a mm a in b mm b in c mm c in 11 3 Clearances from other devices 3RW30 1 3RW30 2 15 0 59 60 2 36 40 1 56 3RW30 3 3RW30 ...

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Page 86: ...Starter software can be used to simulate and select all SIEMENS soft starters taking into account various parameters such as the supply system conditions motor data load data high switching frequencies etc It is a useful tool which does away with the need for time consuming and complex manual calculations if you need to select the optimum soft starter for your particular case Further information u...

Page 87: ...ectronic soft starters to keep both customers and our own employees up to date with the latest information about configuring commissioning and maintenance Please address all inquiries and enrollments to Training Center Erlangen A D PT 4 Werner von Siemens Str 65 D 91052 Erlangen Phone 49 9131 729262 Fax 49 9131 728172 e mail mailto sibrain industry siemens com Internet http www siemens com sitrain...

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Page 90: ...Configuration 11 9 Order number system for the 3RW40 SIRIUS 3RW30 3RW40 90 Manual 01 2010 535 1995 02 DS01 ...

Page 91: ...ing work Isolating the equipment from the supply system and ensuring that it cannot be reconnected Hazardous voltage Will cause death or serious injury Hazardous voltage Will cause death or serious injury Qualified Personnel The equipment system may only be commissioned and operated by qualified personnel For the purpose of the safety information in these Operating Instructions a qualified person ...

Page 92: ...output parameters 12 2 1 Commissioning procedure 1 Check the voltages and wiring 2 Set the start parameters for recommended parameters refer to the quick commissioning table 3 Start up the motor and if necessary optimize the parameters refer to the quick commissioning table 4 Document the parameter settings if required refer to chapter Table of parameters used Page 205 ...

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Page 95: ... merely influences the motor s acceleration torque which drives the load during the ramp up process The actual motor starting times are load dependent and can differ from the 3RW soft starter settings A longer ramp time results in a lower starting current and a reduced acceleration torque as the motor starts up The startup is slower and smoother as a result The ramp time must be long enough for th...

Page 96: ...t diagrams Page 167 For the state diagram of the contacts in the various operating states refer to chapter 3RW30 LEDs and troubleshooting Page 44 Risk of property damage Make sure the selected ramp time is longer than the actual motor ramp up time If not the SIRIUS 3RW30 may be damaged because the internal bypass contacts close when the set ramp time elapses If the motor has not finished starting ...

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Page 98: ...oltage 15 for 100 ms during the startup process or 200 ms in bypass mode Connect L1 L2 L3 or correct the voltage dip Cause 2 The motor that is connected is too small and the fault occurs as soon as it is switched to bypass mode If less than 10 of the soft starter s rated current is flowing the motor cannot be operated with soft starter Use another soft starter Cause 3 Motor phase T1 T2 T3 is not c...

Page 99: ... and wiring 2 Set the start and stop parameters for recommended parameters refer to the quick commissioning table 3 Set the motor overload function if required 4 Define the RESET mode if a failure occurs 5 Start up the motor and if necessary optimize the parameters refer to the quick commissioning table 6 Document the parameter settings if required ...

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Page 101: ...rom a parameterizable starting voltage to the mains voltage within a definable ramp time 9ROWDJH LQ 8PRWRU 6WDUWLQJ YROWDJH 5DPS WLPH YROWDJH RQ PRWRU 7LPH W V 0RWRUWRUTXH 0 1P 0 LUHFW RQ OLQH VWDUWLQJ PD LPXP WRUTXH WKDW FDQ EH JHQHUDWHG 01RP 3DUDPHWHUL DEOH VWDUW YROWDJH 06RIW VWDUW 6KRUW UDPS WLPH 06RIW VWDUW RQJHU UDPS WLPH 0 RDG H J DQ 3DUDPHWHUL DEOH WRUTXH VWDUWLQJ WLPH 0RWRU KDV UXQ XS DQG...

Page 102: ...settings A longer ramp time results in a lower starting current and a reduced acceleration torque as the motor starts up The startup is slower and smoother as a result The ramp time must be long enough for the motor to reach its nominal speed If the time selected is too short in other words if the ramp time ends before the motor has started up successfully a very high starting current that can eve...

Page 103: ...ached in other words the voltage ramp is interrupted and the motor is started with the current limiting value until it has started up successfully The current limiting function is always active with SIRIUS 3RW40 soft starters If the current limiting potentiometer is set to the clockwise stop maximum the starting current is limited to five times the set rated motor current 12 4 7 Setting the motor ...

Page 104: ...set to the equivalent of 100 A the starting currents might be approx 80 A in L1 120 A in L2 and 100 A in L3 refer to chapter Starting current asymmetry Page 21 The set current limiting value must be high enough to ensure that the torque generated in the motor is sufficient to accelerate the motor to nominal speed Three to four times the value of the motor s rated operational current Ie can be assu...

Page 105: ...o the motor after the ON command is removed The torque generated in the motor is reduced by means of a voltage ramp function within this ramp down time and the application stops smoothly If the potentiometer is set to 0 there is no voltage ramp during stopping stop without load 12 6 Setting the motor protection function The motor overload protection function is implemented on the basis of the wind...

Page 106: ...d depending on the trip class CLASS setting The trip class specifies the maximum time within which a protective device must trip from a cold state at 7 2 x the rated operational current motor protection to IEC 60947 The tripping characteristics represent this time as a function of the tripping current refer to chapter Motor protection tripping characteristics for 3RW40 with symmetry Page 161 You c...

Page 107: ...40 only Page 32 Ie A Imin A Imax A CLASS 10 Imax A CLASS 15 Imax A CLASS 20 3RW40 24 12 5 5 12 5 11 10 3RW40 26 25 3 10 3 25 3 23 21 3RW40 27 32 2 17 2 32 2 30 27 3RW40 28 38 23 38 34 31 3RW40 36 45 22 5 45 42 38 3RW40 37 63 25 5 63 50 46 3RW40 38 72 34 5 72 56 50 3RW40 46 80 42 5 80 70 64 3RW40 47 106 46 106 84 77 3RW40 55 134 59 134 134 124 3RW40 56 162 87 162 152 142 3RW40 73 230 80 230 210 200...

Page 108: ...t and evaluate either a Klixon thermistor integrated in the motor winding at terminal T11 T21 T22 or a type A PTC at terminal T11 T21 T12 12 8 Motor protection trip test TEST RESET button You initiate a motor overload trip by pressing the RESET TEST button for longer than five seconds The SIRIUS 3RW40 soft starter is tripped by the fault signal at the OVERLOAD LED the FAILURE OVERLOAD contact 95 9...

Page 109: ...start command is removed factory default The ON function can be used for instance as a latching contact if you selected pushbutton control refer to chapter Control by pushbutton Page 168 Reparameterizing the output of the ON function factory default to RUN You can reparameterize the output function from ON to RUN by simultaneously pressing two buttons refer to chapter Parameterizing the 3RW40 outp...

Page 110: ...2 9 2 Parameterizing the 3RW40 outputs Programming the ON RUN output 13 14 on the SIRIUS 3RW40 soft starter Figure 12 2 Overview of buttons LEDs on the 3RW40 2 to 3RW40 4 and 3RW40 5 to 3RW40 7 1 2 3 4 110 230V NO ON RUN BYPASSED NO IN SIRIUS CLASS OFF 20 15 10 40 100 0 5 10 20s t U e x I I 1 3 5 RESET MODE 1 RESET TEST 2 OVERLOAD RESET MODE DEVICE STATE BYPASSED FAILURE 3 4 ...

Page 111: ...hts up red The active mode set at the ON RUN output is indicated by the STATE BYPASSED FAILURE LED 4 STATE BYPASSED FAILURE LED 4 flashes green ON mode factory setting STATE BYPASSED FAILURE LED 4 flickers green RUN mode D Change the mode Press the RESET MODE button 2 briefly By pressing this button you change the mode at the output and the new mode is indicated by the STATE BYPASSED FAILURE LED 4...

Page 112: ...et RESET mode 12 9 3 Function of the FAILURE OVERLOAD output FAILURE OVERLOAD output contact If there is no rated control voltage or if a failure occurs the potential free FAILURE OVERLOAD output is switched Note For information about whether or not faults can be acknowledged as well as the recovery time and the corresponding LED and output contact states refer to chapter Diagnostics and fault sig...

Page 113: ...12 10 1 1 Setting the RESET MODE Position of the RESET button behind the label on the 3RW40 2 RESET MODE button By pressing the RESET MODE button you define the reset procedure in case of a fault This is indicated by the RESET MODE LED 12 10 1 2 Manual RESET RESET TEST button RESET MODE LED off You can reset a fault by pressing the RESET TEST button AUTO RESET Yellow Manual RESET Off Remote RESET ...

Page 114: ...tics and fault signals Page 44 Automatic restart Can result in death serious injury or property damage The automatic RESET mode AUTO RESET must not be used in applications where there is a risk of serious injury to persons or substantial damage to property if the motor starts up again unexpectedly The start command e g issued by a contact or the PLC must be reset prior to issuing a RESET command b...

Page 115: ...5 to 3RW40 7 soft starters 12 10 2 1 Setting the RESET MODE RESET MODE button By pressing the RESET MODE button you define the reset procedure in case of a fault This is indicated by the AUTO LED 12 10 2 2 Manual RESET RESET TEST button AUTO LED off You can reset a fault by pressing the RESET TEST button AUTO RESET Yellow Manual remote RESET Off ...

Page 116: ...nd output contact states refer to chapter Diagnostics and fault signals Page 44 Automatic restart Can result in death serious injury or property damage The automatic RESET mode AUTO RESET must not be used in applications where there is a risk of serious injury to persons or substantial damage to property if the motor starts up again unexpectedly The start command e g issued by a contact or the PLC...

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Page 118: ...d The rated operational current Ie set for the motor control voltage present no start command exceeds the associated maximum permissible setting current referred to the selected CLASS setting chapter Motor current settings Page 107 Check the rated operational current set for the motor select a lower CLASS setting or calculate the soft starter with a size allowance As long as the 3RW40 is not contr...

Page 119: ... time has elapsed Overload relay tripping time 60 s Thermistor tripping time When the temperature sensor thermistor in the motor has cooled down Check whether the motor s rated operational current Ie is set correctly or Change the CLASS setting or Possibly reduce the switching frequency or Deactivate the motor protection CLASS OFF or Check the motor and the application Thermistor protection wire b...

Page 120: ...L1 L2 L3 or correct the voltage dip Cause 2 The motor that is connected is too small and the fault occurs as soon as it is switched to bypass mode Set the correct rated operational current for the connected motor or set it to the minimum value if the motor current is less than 10 of the set Ie the motor cannot be operated with this starter Cause 3 Motor phase T1 T2 T3 is not connected Connect the ...

Page 121: ... free production The selectable starting voltage means the soft starters can be individually adjusted to the requirements of the application in question and unlike wye delta starters are not restricted to two stage starting with fixed voltage ratios SIRIUS 3RW30 soft starters are characterized above all by their small space requirements Integral bypass contacts mean that no power loss has to be ta...

Page 122: ...PLQDOV 2UGHU QXPEHU VXSSOHPHQW IRU FRQQHFWLRQ W SHV 5DWHG RSHUDWLRQDO YROWDJH 8H WR 9 5DWHG RSHUDWLR QDO FXUUHQW H 5DWHG SRZHU RI WKUHH SKDVH LQGXFWLRQ PRWRUV IRU UDWHG RSHUDWLRQDO YROWDJH 8H 6L H 6WDQGDORQH DVVHPEO ZLWKRXW DGGLWLRQDO IDQ 0DLQ FLUFXLW FRQQHFWLRQ VFUHZ WHUPLQDOV 6RIW VWDUWHU ZLWK VFUHZ WHUPLQDOV Note The rated motor current is extremely important when selecting a soft starter Refer...

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Page 127: ...meters Limit value of Class A at 0 15 30 MHz Limit value of Class B for 3RW302 24 V AC DC Limit value of Class A at 30 1000 MHz Limit value of Class B for 3RW302 24 V AC DC Frequency range 150 kHz 80 MHz with 80 at 1 kHz Interference 10 V Frequency range 80 to 2000 MHz with 80 at 1 kHz Degree of severity 3 10 V m EN 55011 EN 55011 EN 61000 4 5 EN 61000 4 4 EN 61000 4 6 EN 61000 4 3 EN 61000 4 2 St...

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Page 129: ... b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 59 0 59 59 59 59 59 59 59 59 59 59 59 59 59 6RIW VWDUWHUV 0RWRU VWDUWHU SURWHFWRUV 5DWHG FXUUHQW N T PD 7 SH 4 7 SH 4 4 4 7 SH RI FRRUGLQDWLRQ 59 59 59 59 59 59 59 59 59 SURYLV 1 The rated motor current must be considered when selecting the devices 2 The types of coordination are described in chapter Types of coordination Page 128 ...

Page 130: ... b 5 b 5 b 5 7 SH RI FRRUGLQDWLRQ T N DW 9 7 SH 7 SH 4 4 6RIW VWDUWHUV 1RPLQDO FXUUHQW LQH SURWHFWLRQ PD LPXP LQH FRQWDFWRUV RSWLRQDO 4 4 57 57 57 57 57 57 57 57 57 1 The types of coordination are described in chapter Types of coordination Page 128 Type of coordination 1 only refers to soft starters in conjunction with the stipulated protective device motor starter protector fuse not to any additi...

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Page 133: ...7 SH 7 SH 4 4 4 9 RSWLRQDO 1RPLQDO FXUUHQW LQH SURWHFWLRQ PD LPXP 0RWRU VWDUWHU SURWHFWRUV LQH FRQWDFWRUV 6RIW VWDUWHUV 7 SH RI FRRUGLQDWLRQ T N DW 9 57 57 57 57 57 57 57 57 57 59 59 59 59 59 59 59 59 59 SURYLV 1 The types of coordination are described in chapter Types of coordination Page 128 Type of coordination 2 only refers to soft starters in conjunction with the stipulated protective device ...

Page 134: ... relays Internal intrinsic device protection prevents thermal overloading of the thyristors and the power unit defects this can cause As an option the thyristors can also be protected against short circuiting with semiconductor fuses Thanks to integrated status and fault monitoring this compact soft starter offers many different diagnostics options Up to four LEDs and relay outputs permit differen...

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Page 136: ...SS 10 Max ramp up time 10 s current limiting 300 5 starts hour ON time 30 standalone assembly max installation altitude 1000 m 3280 ft ambient temperature kW 40 C 104 F A larger model may need to be selected if other conditions and constraints apply or for a higher starting frequency We recommend using the Win Soft Starter selection and simulation software For information about the rated currents ...

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Page 138: ...SS 10 Max ramp up time 10 s current limiting 300 5 starts hour ON time 30 standalone assembly max installation altitude 1000 m 3280 ft ambient temperature kW 40 C 104 F A larger model may need to be selected if other conditions and constraints apply or for a higher starting frequency We recommend using the Win Soft Starter selection and simulation software For information about the rated currents ...

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Page 140: ...SS 10 Max ramp up time 10 s current limiting 300 5 starts hour ON time 30 standalone assembly max installation altitude 1000 m 3280 ft ambient temperature kW 40 C 104 F A larger model may need to be selected if other conditions and constraints apply or for a higher starting frequency We recommend using the Win Soft Starter selection and simulation software For information about the rated currents ...

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Page 142: ...S 10 Max ramp up time 20 s current limiting 300 5 starts hour ON time 30 standalone assembly max installation altitude 1000 m 3280 ft ambient temperature kW 40 C 104 A larger model may need to be selected if other conditions and constraints apply or for a higher starting frequency We recommend using the Win Soft Starter selection and simulation software For information about the rated currents for...

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Page 144: ... Max ramp up time 40 s current limiting 350 1 starts hour ON time 30 standalone assembly max installation altitude 1000 m 3280 ft ambient temperature kW 40 C 104 F A larger model may need to be selected if other conditions and constraints apply or for a higher starting frequency We recommend using the Win Soft Starter selection and simulation software For information about the rated currents for a...

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Page 155: ... GHJUHH RI QRLVH VXSSUHVVLRQ 7KH ILOWHU VKRXOG EH VHOHFWHG XQGHU VWDQGDUG FRQGLWLRQV VWDUWV SHU KRXU UDPS XS WLPH V DW H PP 5HFRPPHQGHG ILOWHUV 7HUPLQDOV 1RPLQDO FXUUHQW ILOWHUV LOWHU W SHV 9ROWDJH UDQJH WR 9 6RIW VWDUWHUV 1RPLQDO FXUUHQW 6RIW VWDUWHU W SHV 5 b 5 b 5 b 5 b 5 b Type of coordination 1 in accordance with IEC 60947 4 1 The device is defective following a short circuit failure and ther...

Page 156: ...4 7 SH 4 7 SH N 4 7 SH N 0RWRU VWDUWHU SURWHFWRUV 7 SH RI FRRUGLQDWLRQ 9 9 9 1RPL QDO FXUUHQW 6RIW VWDUWHUV 5DWHG FXUUHQW 5DWHG FXUUHQW 4 4 XVHOHVV YHUVLRQ 59 59 59 59 59 LQ VL H 6 59 59 59 59 59 LQ VL H 6 1 The rated motor current must be considered when selecting the devices The 3RV13 and 3RV23 motor starter protectors are used for starter combinations without motor protection In this case motor...

Page 157: ... 1 1 1 1 1 1 1 1 1 1 1 1 1 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 7 SH 7 SH 4 4 4 4 RSWLRQDO 1RPLQDO FXUUHQW LQH FRQWDFWRUV LQH SURWHFWLRQ PD LPXP 6RIW VWDUWHUV 57 57 57 57 57 LQ VL H 6 1 The types of coordination are described in chapter Types of coordination Page 155 Type of coordination 1 only refers to soft starters in conjunction with the stipulated protective device moto...

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Page 159: ...RUGLQDWLRQ T N DW 9 5DWHG FXUUHQW 6L H 5DWHG FXUUHQW 6L H 4 4 4 4 7 SH 7 SH 7 SH 7 SH 4 1RPLQDO FXUUHQW 6HPLFRQGXFWRU IXVHV PLQLPXP 6HPLFRQGXFWRU IXVHV PD LPXP 6HPLFRQGXFWRU IXVHV PLQLPXP 6RIW VWDUWHUV 1 1 1 1 1 1 ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ ದ 1 1 1 1 1 1 1 1 1 ದ ದ ದ ದ ದ ದ 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b ...

Page 160: ... 9 9 9 9 9 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 5 b 7 SH 7 SH 7 SH 7 SH 4 4 4 4 LQH SURWHFWLRQ PD LPXP 9 9 RSWLRQDO 1RPL QDO FXUUHQW 0RWRU VWDUWHU SURWHFWRUV LQH FRQWDFWRUV 6RIW VWDUWHUV 57 57 57 57 57 LQ VL H 6 59 59 59 59 59 LQ VL H 6 1 The types of coordination are described in chapter Types of coordination Page 155 Type of coordination 2 only refers to soft starters in conju...

Page 161: ...2010 535 1995 02 DS01 161 13 2 27 Motor protection tripping characteristics for 3RW40 with symmetry 13 2 28 Motor protection tripping characteristics for 3RW40 with asymmetry 16 B D 7ULSSLQJ WLPH W V ODVV ODVV ODVV H 16 B 7ULSSLQJ WLPH W V ODVV ODVV ODVV H ...

Page 162: ... data specific application requirements etc It is a useful tool which does away with the need for time consuming and complex manual calculations if you need to select the optimum soft starter for your particular case The Win Soft Starter selection and simulation software can be downloaded from http www automation siemens com mcms low voltage en industrial controls controls solid state switching de...

Page 163: ...01 163 14 Dimension drawings 14 1 3RW30 for standard applications N O I K E G H J F D 16 B L P 7 SH GLPHQVLRQV PP 5 5 5 5 5 5 5 5 5 5 LVWDQFHV IURP JURXQGHG SDUWV PP 7LJKWHQLQJ WRUTXHV 1P L LQJ VFUHZV RWWRP 7RS DWHUDO 0 0 0 0 P O N L K J I H G F E D ...

Page 164: ... 3RW30 3RW40 164 Manual 01 2010 535 1995 02 DS01 14 2 3RW40 for standard applications I E K G H J F D 16 B D L P N O 7RS 0 5 0 5 0 5 7LJKWHQLQJ WRUTXHV 1P L LQJ VFUHZV RWWRP DWHUDO LVWDQFHV IURP JURXQGHG SDUWV PP E 5 5 5 5 P O N L K J I H G F D 7 SH GLPHQVLRQV PP ...

Page 165: ...Dimension drawings 14 2 3RW40 for standard applications SIRIUS 3RW30 3RW40 Manual 01 2010 535 1995 02 DS01 165 5 5 T S R Q P O N L K J I H G F E D 7 SH GLPHQVLRQV PP 0 1P 0 1P ...

Page 166: ...Dimension drawings 14 2 3RW40 for standard applications SIRIUS 3RW30 3RW40 166 Manual 01 2010 535 1995 02 DS01 ...

Page 167: ... thermistor motor protection evaluation function is optionally available for the 24 V AC DC control voltage version of the 3RW40 2 to 3RW40 4 Figure 15 1 Optional thermistor motor protection evaluation Note If a thermistor is connected PTC type A or Klixon you must remove the copper jumper between terminals T11 21 and T22 7KHUPRFOLFN 7 SH 37 4 7 7 7 7 4 7 7 7 7 ...

Page 168: ...assignment of fuses and switching devices refer to chapter Technical data Page 121 6 7 7 7 4 4 5 4 0 9 8 0 1 4 6 21 0RWRU VWRS 0RWRU VWDUW 6WDUW 3 Automatic restart Can result in death serious injury or property damage Faults caused by incorrect control voltage a missing load or a phase failure refer to chapter 3RW30 LEDs and troubleshooting Page 44 are automatically reset when the system returns ...

Page 169: ...ent on the MLFB refer to chapter Technical data Page 121 2 Alternatively the motor feeder can be assembled as a fuseless or fused version with type of coordination 1 or 2 For the assignment of fuses and switching devices refer to chapter Technical data Page 121 For the optional thermistor motor protection evaluation refer to Typical circuit for the optional thermistor motor protection evaluation P...

Page 170: ...the assignment of fuses and switching devices refer to chapter Technical data Page 121 6WDUW 21 7 7 7 4 4 5 4 0 9 8 0 1 4 6 2 Automatic restart Can result in death serious injury or property damage Faults caused by incorrect control voltage a missing load or a phase failure refer to chapter 3RW30 LEDs and troubleshooting Page 44 are automatically reset when the system returns to normal An automati...

Page 171: ... 4 control circuit and the 3RW40 2 to 3RW40 7 main circuit Figure 15 7 Wiring of the 3RW40 5 to 3RW40 7 control circuit 1 For the permissible values for the main and control voltage dependent on the MLFB refer to chapter Technical data Page 121 7 7 7 4 5 4 0 9 8 0 DXOW 6WDUW V 5 6 7 29 5 2 85 3 66 21 581 1 4 4 6 6 1 4 4 6 6 29 5 2 85 DXOW 6WDUW 3 66 21 581 WR V 58 UHPRWH 5 6 7 5 6 7 ...

Page 172: ...the 3RW30 in automatic mode Figure 15 8 Wiring of the 3RW30 control and main circuits 1 For the permissible values for the main and control voltage dependent on the MLFB refer to chapter Technical data Page 121 2 Automatic restart Can result in death serious injury or property damage The start command e g issued by the PLC or switch S1 must be reset prior to issuing a RESET command because the mot...

Page 173: ... 2 to 3RW40 7 main circuit 2 Automatic restart Can result in death serious injury or property damage Faults caused by incorrect control voltage a missing load or a phase failure refer to chapter 3RW30 LEDs and troubleshooting Page 44 are automatically reset when the system returns to normal An automatic restart is initiated and the 3RW restarted if a start command is present at the input If you do...

Page 174: ...6 7 21 2 29 5 2 85 3 66 1 4 4 6 6 2 Automatic restart Can result in death serious injury or property damage The start command e g issued by the PLC or switch S1 must be reset prior to issuing a RESET command because the motor attempts to restart again automatically following this RESET command if a start command is still present This particularly applies if the motor protection has tripped For saf...

Page 175: ... a fuseless or fused version with type of coordination 1 or 2 For the assignment of fuses and switching devices refer to chapter Technical data Page 121 9 QSXW 3 2XWSXW 3 21 6WDUW 29 5 2 0 4 7 7 7 4 4 5 4 0 9 8 0 4 2 Automatic restart Can result in death serious injury or property damage Faults caused by incorrect control voltage a missing load or a phase failure refer to chapter 3RW30 LEDs and tr...

Page 176: ...d the 3RW40 2 to 3RW40 7 main circuit Figure 15 13 Wiring of the 3RW40 5 to 3RW40 7 control circuit 1 For the permissible values for the main and control voltage dependent on the MLFB refer to chapter Technical data Page 121 29 5 2 85 3 66 21 581 V 5 6 7 3 QSXW 6WDUW RXSOLQJ UHOD FRQWURO IRU 5 6 7 VHF 9 9 3 2XWSXW 1 0 4 4 4 7 7 7 4 4 0 9 8 0 9 29 5 2 85 6WDUW 21 581 WR V 3 66 5 6 7 58 UHPRWH 5 6 7...

Page 177: ...5 6 1 Control of the 3RW30 with a main contactor Figure 15 14 Wiring of the 3RW30 control and main circuits 1 For the permissible values for the main and control voltage dependent on the MLFB refer to chapter Technical data Page 121 2 Automatic restart Can result in death serious injury or property damage The start command e g issued by the PLC or switch S1 must be reset prior to issuing a RESET c...

Page 178: ...and the 3RW40 2 to 3RW40 7 main circuit 2 Automatic restart Can result in death serious injury or property damage Faults caused by incorrect control voltage a missing load or a phase failure refer to chapter 3RW30 LEDs and troubleshooting Page 44 are automatically reset when the system returns to normal An automatic restart is initiated and the 3RW restarted if a start command is present at the in...

Page 179: ...on evaluation refer to Typical circuit for the optional thermistor motor protection evaluation Page 167 29 5 2 85 DXOW 6WDUW 3 66 581 WR V 5 6 7 58 UHPRWH 5 6 7 4 1 4 4 6 6 Note If a soft stop is required the function of output 13 14 must be reparameterized to RUN refer to Commissioning the 3RW40 Page 98 2 Automatic restart Can result in death serious injury or property damage The start command e ...

Page 180: ...ices refer to chapter Technical data Page 121 6WDUW 0RWRU 0RWRU 0RWRU 0RWRU 0RWRU 0RWRU 0RWRU VWRS 21 6 6 4 4 8 4 4 6 8 4 4 6 4 4 4 7 7 7 4 5 4 0 9 8 0 4 1 6 6 8 6 2 Automatic restart Can result in death serious injury or property damage Faults caused by incorrect control voltage a missing load or a phase failure refer to chapter 3RW30 LEDs and troubleshooting Page 44 are automatically reset when ...

Page 181: ... DS01 181 15 7 2 3RW40 reversing circuit Figure 15 18 Wiring of the 3RW40 2 to 3RW40 5 control circuit and the 3RW40 2 to 3RW40 7 main circuit 0RWRU 6 0RWRU 0RWRU 0RWRU 0RWRU 0RWRU 0RWRU 6WRS 5 6 7 V 29 5 2 85 21 581 3 66 6WDUW DXOW 4 4 6 4 4 8 6 4 4 8 4 4 6 6 8 6 1 0 8 9 0 4 5 4 7 7 7 4 4 6 6 ...

Page 182: ...to Typical circuit for the optional thermistor motor protection evaluation Page 167 58 UHPRWH 5 6 7 0RWRU VWRS 0RWRU 0RWRU 0RWRU 0RWRU 0RWRU 0RWRU 29 5 2 85 21 581 3 66 WR V 5 6 7 DXOW 6WDUW 4 4 6 4 4 8 6 4 4 8 4 4 6 6 8 6 1 6 6 6 2 Automatic restart Can result in death serious injury or property damage The start command e g issued by the PLC or switch S1 must be reset prior to issuing a RESET com...

Page 183: ...ion 1 or 2 For the assignment of fuses and switching devices refer to chapter Technical data Page 121 UDNH 29 5 2 29 5 2 21 6WDUW 1 7 7 7 4 4 5 4 0 9 8 0 4 6 4 2 Automatic restart Can result in death serious injury or property damage Faults caused by incorrect control voltage a missing load or a phase failure refer to chapter 3RW30 LEDs and troubleshooting Page 44 are automatically reset when the ...

Page 184: ...r Technical data Page 121 For the optional thermistor motor protection evaluation refer to Typical circuit for the optional thermistor motor protection evaluation Page 167 6 UDNH 3 66 21 29 5 2 6WDUW DXOW 5 6 7 V 6 4 4 1 7 7 7 4 5 4 0 9 8 0 2 Automatic restart Can result in death serious injury or property damage The start command e g issued by the PLC or switch S1 must be reset prior to issuing a...

Page 185: ... data Page 121 For the optional thermistor motor protection evaluation refer to Typical circuit for the optional thermistor motor protection evaluation Page 167 DXOW 6WDUW 58 UHPRWH 5 6 7 UDNH 3 66 21 29 5 2 85 WR V 5 6 7 6 6 4 4 1 7 7 7 4 5 4 0 9 8 0 2 Automatic restart Can result in death serious injury or property damage The start command e g issued by the PLC or switch S1 must be reset prior t...

Page 186: ...30 emergency stop and 3TK2823 safety relay Figure 15 23 Wiring of the emergency stop control circuit and the 3TK28 safety relay Figure 15 24 Wiring of the 3RW30 control and main circuits 2Q PHUJHQF VWRS 7 UHVHW b9b 7 4 4 6 6 0 4 4 5 6WDUW 0RWRU 2YHUORDG PHUJHQF VWRS 6WDUW 21 29 5 2 85 6WRS 4 4 1 4 4 4 4 4 4 7 7 7 4 5 4 0 9 8 0 4 6 ...

Page 187: ...elay Figure 15 25 Wiring of the emergency stop control circuit and the 3TK28 safety relay 2 Automatic restart Can result in death serious injury or property damage If the 3TK28 is reset Faults caused by incorrect control voltage a missing load or a phase failure refer to chapter 3RW30 LEDs and troubleshooting Page 44 are automatically reset when the system returns to normal An automatic restart is...

Page 188: ...HUJHQF VWRS 6WDUW DXOW 1R FRQWURO YROWDJH 5 6 6 6WDUW VWRS 5 5 6 7 V 21 581 29 5 2 85 3 66 4 0 8 9 0 4 5 4 7 7 7 4 4 4 4 1 4 4 4 2 Automatic restart Can result in death serious injury or property damage The start command e g issued by the PLC or switch S1 must be reset prior to issuing a RESET command because the motor attempts to restart again automatically following this RESET command 3TK or 3RW...

Page 189: ...d the 3TK28 safety relay Figure 15 28 Wiring of the 3RW40 5 to 3RW40 7 control circuit and the 3RW40 2 to 3RW40 7 main circuit 1 For the permissible values for the main and control voltage dependent on the MLFB refer to chapter Technical data Page 121 2Q PHUJHQF VWRS 7 5 6 7 b9b 7 4 4 6 6 0 4 4 6 6WDUW 6WRS 5 6WDUW DXOW 5 PHUJHQ F VWRS 6 58 UHPRWH 5 6 7 WR V 5 5 6 7 21 581 29 5 2 85 3 66 0 8 9 0 4...

Page 190: ...jury or property damage The start command e g issued by the PLC or switch S1 must be reset prior to issuing a RESET command because the motor attempts to restart again automatically following this RESET command 3TK or 3RW if a start command is still present This particularly applies if the motor protection has tripped For safety reasons you are advised to integrate the group fault output terminals...

Page 191: ...For the assignment of fuses and switching devices refer to chapter Technical data Page 121 LUHFW VWDUWLQJ 6WDUW VWRS LUHFW VWDUWHU FRQWDFWRU 6WDUW 21 6HOHFWRU VZLWFK 6RIW VWDUW 1 4 8 4 7 7 7 4 4 5 4 0 9 8 0 4 6 2 Automatic restart Can result in death serious injury or property damage Faults caused by incorrect control voltage a missing load or a phase failure refer to Troubleshooting chapter are a...

Page 192: ...4 control circuit and the 3RW40 2 to 3RW40 7 main circuit Figure 15 31 Wiring of the 3RW40 5 to 3RW40 7 control circuit 6WDUW DXOW LUHFW VWDUWHU FRQWDFWRU 6HOHFWRU VZLWFK 6RIW VWDUW LUHFW VWDUWLQJ 6WDUW VWRS 3 66 21 581 29 5 2 85 V 5 6 7 6 4 4 4 8 1 0 8 9 0 4 5 4 7 7 7 4 6 6WDUW DXOW LUHFW VWDUWLQJ 6HOHFWRU VZLWFK 6RIW VWDUW LUHFW VWDUWLQJ 6WDUW VWRS LUHFW VWDUWHU FRQWDFWRU 3 66 21 581 29 5 2 85 6...

Page 193: ...er Technical data Page 121 For the optional thermistor motor protection evaluation refer to Typical circuit for the optional thermistor motor protection evaluation Page 167 2 Automatic restart Can result in death serious injury or property damage The start command e g issued by the PLC or switch S1 must be reset prior to issuing a RESET command because the motor attempts to restart again automatic...

Page 194: ...W RU PRWRU RYHUORDG SURWHFWLRQ VHW UDWHG FXUUHQW IRU ORZ VSHHG RU PRWRU RYHUORDG SURWHFWLRQ VHW UDWHG FXUUHQW IRU KLJK VSHHG 21 0RWRU VWRS H J 5 7 7 7 4 4 4 4 4 0 9 8 9 8 0 4 1 4 4 4 4 4 4 4 4 6 4 6 6 4 4 4 5 2 Automatic restart Can result in death serious injury or property damage Faults caused by incorrect control voltage a missing load or a phase failure refer to chapter 3RW30 LEDs and troubles...

Page 195: ...he 3RW40 2 to 3RW40 4 control circuit and the 3RW40 2 to 3RW40 7 main circuit 1 For the permissible values for the main and control voltage dependent on the MLFB refer to chapter Technical data Page 121 LJK VSHHG RZ VSHHG X LOLDU FRQWDFWRU IRU VZLWFKRYHU GHOD UHVSRQVH GHOD PV 6WDU FRQWDFWRU KLJK VSHHG 0DLQ FRQWDFWRU KLJK VSHHG 0DLQ FRQWDFWRU ORZ VSHHG RU PRWRU RYHUORDG SURWHFWLRQ VHW UDWHG FXUUHQW...

Page 196: ...uit for the optional thermistor motor protection evaluation Page 167 2 Automatic restart Can result in death serious injury or property damage The start command e g issued by the PLC or switch S1 must be reset prior to issuing a RESET command because the motor attempts to restart again automatically following this RESET command if a start command is still present This particularly applies if the m...

Page 197: ... Dahlander motor starting Figure 15 34 Wiring of the 3RW40 5 to 3RW40 7 control circuit 6 6 6 6 RZ VSHHG LJK VSHHG X LOLDU FRQWDFWRU IRU VZLWFKRYHU GHOD UHVSRQVH GHOD PV 6WDU FRQWDFWRU KLJK VSHHG 0DLQ FRQWDFWRU KLJK VSHHG 0DLQ FRQWDFWRU ORZ VSHHG 58 UHPRWH 5 6 7 0RWRU VWRS 6WDUW DXOW 6WDUW 6WDUW 21 581 3 66 WR V 5 6 7 4 4 4 4 4 4 4 4 4 4 4 4 1 ...

Page 198: ...a Page 121 RU PRWRU RYHUORDG SURWHFWLRQ VHW UDWHG FXUUHQW IRU ORZ VSHHG RU PRWRU RYHUORDG SURWHFWLRQ VHW UDWHG FXUUHQW IRU KLJK VSHHG 4 5 0 8 9 8 9 0 4 4 4 5 4 7 7 7 2 Automatic restart Can result in death serious injury or property damage The start command e g issued by the PLC or switch S1 must be reset prior to issuing a RESET command because the motor attempts to restart again automatically fo...

Page 199: ...rder No Auxiliary conductor terminals 3 pole 3RW30 4 3RW40 4 S3 3RT19 46 4F For soft starter type Size Order No Terminal covers for box terminals Additional touch protection to be fitted at the box terminals 2 units required per device 3RW30 3 3RW40 3 S2 3RT19 36 4EA2 3RW30 4 3RW40 4 S3 3RT19 46 4EA2 3RW40 5 S6 3RT19 56 4EA2 3RW40 7 S12 3RT19 66 4EA2 Terminal covers for cable lug and busbar connec...

Page 200: ...witching frequency 60 h 3RW40 5 and 3RW40 7 S6 S12 AC DC 24 V 30 V 3RU19 00 2AB71 AC DC 110 V 127 V 3RU19 00 2AF71 AC DC 220 V 250 V 3RU19 00 2AM71 Mechanical RESET comprising 3RW40 5 and 3RW40 7 S6 S12 Resetting plunger holder and former 3RU19 00 1A Suitable pushbutton IP65 22 mm diameter 12 mm stroke 3SB30 00 0EA11 Extension plunger 3SX13 35 Cable releases with holder for RESET For 6 5 mm diamet...

Page 201: ...ter protectors 3RW30 13 3RW30 14 3RW30 16 3RW30 17 3RW30 18 S00 S0 3RA19 21 1A 3RW30 26 3RW40 24 3RW40 26 S0 S0 3RA19 21 1A 3RW30 36 3RW40 36 S2 S2 3RA19 31 1A 3RW30 46 3RW30 47 3RW40 46 3RW40 47 S3 S3 3RA19 41 1A For soft starter type Size Motor starter protector size Order No Link modules to 3RV20 motor starter protectors 1 With screw terminals 3RW30 1 S00 S00 3RA29 21 1BA00 3RW30 2 S0 S0 3RA29 ...

Page 202: ... from the normal position 3RW40 2 S0 3RW49 28 8VB00 3RW40 3 3RW40 4 S2 S3 3RW49 47 8VB00 For soft starter type Size Version Rated control supply voltage Us Order No 3RW40 5 BB3 S6 115 V AC 3RW49 36 8VX30 3RW40 5 BB4 S6 230 V AC 3RW49 36 8VX40 3RW40 7 BB3 S12 115 V AC 3RW47 36 8VX30 3RW40 7 BB4 S12 230 V AC 3RW47 36 8VX40 For soft starter type Size Order No Operating instructions for soft starters ...

Page 203: ... siemens com 1 Motor data Speed torque characteristic curve The speed increments of the value pairs do not have to be equal Speed current characteristic curve The speed increments of the value pairs do not have to be equal Siemens motor Rated output kW Rated voltage V Mains frequency Hz Rated current A Starting current A Rated speed rpm Rated torque Nm Breakdown torque Nm Mass moment of inertia kg...

Page 204: ...pany Department Street Zip code town city Country Phone Fax e mail Load type e g pump mill etc Rated speed rpm Rated torque or rated output Nm or kW Mass moment of inertia load specific kg m2 Mass moment of inertia motor specific kg m2 nL 1 m nsyn ML MB Starting frequency Starts Switching cycles Rampup time Operating time Idle time Ramp down time Ambient temperature C Yes Value Starting current li...

Page 205: ... V W H H 66 2 8 V W V W H H 66 2 8 V W V W H H 66 2 8 V W V W H H 66 2 8 V W V W H H 66 2 8 V W V W H H 66 2 3DUDPHWHUV 5 RU 5 5 SDUDPHWHUV 8 VWDUWLQJ W UDPS XS V W UDPS GRZQ V H PRWRU DFWRU H OLPLW YDOXH 66 YDOXH 5 6 7 02 2XWSXW 21 581 7KHUPLVWRU 0DQXDO 872 5HPRWH RII HOORZ JUHHQ 21 581 37 OL RQ 3ODQW LGHQWLILHU QVWDOOHG 5 W SH 3XPS 5 7 5 BBBB BB BB 5 BBBB BB BB 5 BBBB BB BB 5 BBBB BB BB 5 BBBB B...

Page 206: ...for SIRIUS 3RW30 3RW40 soft starters Have you noticed any errors while reading this manual If so please use this form to tell us about them We welcome comments and suggestions for improvement TO FROM please complete SIEMENS AG Name A D CD MM3 Company Department 92220 Amberg Germany Address Phone Fax 0 96 21 80 33 37 Fax ...

Page 207: ...ction 56 Device combinations 25 Diagnostics 44 47 97 118 Direct mounting 56 Disconnector 57 Documentation of parameters 205 Documentation of settings 205 F Fan 53 Fault signals 37 39 45 47 60 97 118 Five safety rules for electricians 13 58 Full motor protection 33 H Heavy duty starting 62 78 Ambient temperature 78 General conditions and constraints 78 Installation altitude 78 ON time 78 Parameter ...

Page 208: ...protection 35 Reduced starting current 17 RESET MODE 115 RUN function 42 109 S Safety rules 13 58 Screw type technology 65 Selection criteria 22 Semiconductor fuses 36 Side by side assembly 55 SIRIUS 3RW44 soft starter 15 28 95 SIRIUS modular system 25 SITOR 36 SITOR semiconductor fuses 36 Soft start 19 94 101 Soft stop 19 105 Spring loaded technology 65 Standalone assembly 55 Start 19 Start modes...

Page 209: ...SIRIUS 3RW30 3RW40 Manual 01 2010 535 1995 02 DS01 209 Index V Voltage ramp 27 29 94 101 102 W Water hammer 31 Win Soft Starter 86 Win Soft Starter software 86 X xIe potentiometer 104 ...

Page 210: ...Index SIRIUS 3RW30 3RW40 210 Manual 01 2010 535 1995 02 DS01 ...

Page 211: ......

Page 212: ... and information material www siemens com lowvoltage catalogs Newsletter always up to date www siemens com lowvoltage newsletter E business in the Industry Mall www siemens com lowvoltage mall Online Support www siemens com lowvoltage support Contact for all technical information Technical Assistance Tel 49 911 895 5900 e mail technical assistance siemens com www siemens com lowvoltage technical a...

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