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1 General – EMS2-…-SWD electronic motor starter
1.4 Type code

8

EMS2…-SWD Electronic motor starter

10/19 MN120008EN

www.eaton.com

1.4 Type code

The type designation of an electronic motor starter EMS2 with SWD 
(i. e. EMS2-…-SWD) is made up of the following type code (comprising five 
groups):

E M S 2 - D O S - T - 3 - S W D

Explanation

Control

 

and supply

SWD: via SmartWire-DT

Rated operational current (AC51)

3: 3 A

9: 9 A

Terminal connection

T: Push-In

Type of electronic motor starter

DO: Direct starter (without safety function)

DOS: Direct starter with safety function

RO: Reversing starter (without safety function)

ROS: Reversing starter with safety function

Device series

Electronic motor starter EMS2 of the 2nd generation

Summary of Contents for EMS2 SWD Series

Page 1: ...Manual EMS2 SWD Electronic motor starters with SWD 10 19 MN120008EN ...

Page 2: ...Center Voice 877 ETN CARE 386 2273 option 2 option 6 8 00 a m 5 00 p m Central Time U S UTC 6 email TRCDrives Eaton com www eaton com drives Original operating manual The German language edition of this document is the original operating manual Translation of the original operating manual All editions of this document other than those in German language are translations of the original operating m...

Page 3: ...mation system may cause damage to persons or property external measures must be implemented to ensure a safe operating state in the event of a fault or malfunction for example by means of separate limit switches mechanical interlocks etc During operation and depending on their degree of protection variable frequency drives may have live uninsulated moving and or rotating parts as well as hot surfa...

Page 4: ......

Page 5: ...ype code 8 2 Motor starter overview 9 2 1 Setup 9 2 2 Motor starter without safety function DO RO 10 2 2 1 Block diagrams 11 2 2 2 Terminal assignment 11 2 3 Motor starter with safety function DOS ROS 12 2 3 1 Block diagrams 13 2 3 2 Safety oriented enable 14 2 3 3 Terminal assignment 14 2 4 Mounting 15 2 5 Layout of devices with Ie 9 A 15 3 Communication via SmartWire DT SWD 19 3 1 Commissioning ...

Page 6: ...tting of the motor protection 36 4 2 5 Checking the set value 37 4 2 6 Tripping and reset 38 5 Application examples 39 5 1 Application without controlled stop 40 5 2 Single channel controlled stop application cat 3 SIL 3 PL e 41 5 3 Dual channel controlled stop application cat 3 SIL 3 PL e 42 6 Status messages 43 6 1 LEDs on the front of the device 44 6 2 Resetting after an error message 48 6 2 1 ...

Page 7: ...ters 0 3 Additional documents For further information see the following documentation Manual MN034003EN Electronic motor starter EMS2 devices without SWD functionality Instruction leaflet IL120004ZU EMS2 SWD Instruction lealet IL120010ZU EMS2 SWD Safety As we do not know your application in detail the application information and examples provided in this document are incom plete and serve only to ...

Page 8: ...gs of personal injury 0 4 3 Tips Abbreviation Meaning DO Direct Online DOS Direct Online Safety EMS Electronic Motor Starter LED Light Emitting Diode RO Reverse Online ROS Reverse Online Safety SWD SmartWire DT WARNING Warns about the possibility of material damage CAUTION Warns of the possibility of hazardous situations that may possi bly cause slight injury WARNING Warns of the possibility of ha...

Page 9: ...for potentially explosive areas increased safety These measures ensure with a high degree of certainty that impermissible high temperatures sparks and electric arcs are prevented on motors where these would not usually occur during normal operation The motor protection devices for this which themselves are not located in a potentially explosive area must be certified by an accredited admission off...

Page 10: ...confirma tion can be retrieved via the bus 2 The device is an associated item of equipment Do not install the device in potentially explosive areas When installing and operating associated equipment the applicable safety directives must be observed 3 When using devices with 230 V AC control always use the same phase for the control supply voltage and the control inputs 4 If you use the Automatic R...

Page 11: ...EN ISO 13849 SIL 3 IEC 61508 The compact devices contain the required interlocks which are necessary for the specified functions in order to reduce the wiring The supply of the device as well as the actuation of the operating direction takes place via the internal SmartWire DT SWD interface In addition the motor starter uses this interface in order to provide additional information for a superordi...

Page 12: ...ype code comprising five groups E M S 2 D O S T 3 S W D Explanation Control and supply SWD via SmartWire DT Rated operational current AC51 3 3 A 9 9 A Terminal connection T Push In Type of electronic motor starter DO Direct starter without safety function DOS Direct starter with safety function RO Reversing starter without safety function ROS Reversing starter with safety function Device series El...

Page 13: ...he designation for the EMS2 SWD electronic motor starter Figure 1 Designations on EMS2 SWD a EMS2 DO RO Terminals without function EMS2 DOS ROS safety oriented enable b Connection for SWD external device plug c LED PWR green d LED SWD green e LED ERR red f LED L yellow for reversing starters g LED R yellow for reversing starters LED ON yellow for direct starters h Set reset button i Terminals for ...

Page 14: ...60947 4 2 Direct starters EMS2 DO T 3 SWD 0 18 A 3 A 3 A EMS2 DO T 9 SWD 1 5 A 9 A 7 A Reversing starters EMS2 RO T 3 SWD 0 18 A 3 A 3 A EMS2 RO T 9 SWD 1 5 A 9 A 7 A Note that the permissible continuous current for devices with a rated operational current Ie of 9 A depends on the type of mounting and the ambient temperature section 2 5 Lay out of devices with Ie 9 A page 15 Currents under the min...

Page 15: ...e specifies the functions of the terminals of the switching operations shown in section 2 2 1 Block diagrams Table 3 Terminal assignment 2 T1 4 T2 6 T3 M 3 RESET SWD SWD 1 L1 3 L2 5 L3 8 2 T1 4 T2 6 T3 M 3 RESET SWD SWD 1 L1 3 L2 5 L3 8 Terminal Function 1L1 three phase incoming unit 3L2 three phase incoming unit 5L3 three phase incoming unit 2T1 three phase motor connection 4T2 three phase motor ...

Page 16: ... A EMS2 DOS T 9 SWD 1 5 A 9 A 7 A Reversing starters EMS2 ROS T 3 SWD 0 18 A 3 A 3 A EMS2 ROS T 9 SWD 1 5 A 9 A 7 A Note that the permissible continuous current for devices with a rated operational current Ie of 9 A depends on the type of mounting and the ambient temperature section 2 5 Lay out of devices with Ie 9 A page 15 Currents under the minimum current specified in the table 4 will not be d...

Page 17: ...ent the general functions The actual wiring depends on the applica tion case chapter 5 Application examples page 39 For a safety oriented enable EN of the motor starter EMS2 DOS SWD and EMS2 ROS SWD a voltage of 24 V is required between terminals EN and EN This voltage can also be supplied from an external voltage source see example below section 2 3 2 Safety oriented enable If there is no signal ...

Page 18: ...s of the terminals in the section 2 3 1 Block diagrams shown switching operations Table 5 Terminal assignment EN EMS2 SWD EN EN EN EN EMS2 SWD EN Q GND 24 V EN EMS2 SWD EN Safety PLC SPS Terminal Function 1L1 three phase incoming unit 3L2 three phase incoming unit 5L3 three phase incoming unit 2T1 three phase motor connection 4T2 three phase motor connection 6T3 three phase motor connection EN Inp...

Page 19: ...mum permissible current of 56 A must not be exceeded even in startup Figure 8 Thermal continuous current IL according to the ambient temperature TA a When mounting the devices with a minimum distance of 20 mm b With directly linked devices Note that the direct linking of devices with a rated operational current Ie of 9 A can lead to a reduction in performance derat ing under some circumstances sec...

Page 20: ... mounting situations and Ie 3 A for EMS2 9 SWD devices Ambient temperature Rated uninterrupted current IU with mounting situation 40 C 45 C 50 C 55 C Single device top hat rail horizontal motor feeder on bottom 9 A 9 A 9 A 7 6 A Linked devices with a device width distance 22 5 mm Top hat rail horizontal motor feeder on bottom 9 A 9 A 6 8 A 6 1 A Linked devices without spacing Top hat rail horizont...

Page 21: ... motor starter is suitable for the maximum current 56 A Imax IMot x startup factor 4 7 A x 8 5 39 95 A 56 A Step 2 Which motor current is permissible for an ambient temperature of 55 C directly linked not permissible at a 20 mm distance 6 2 A 4 7 A permissible Conclusion The EMS2 SWD motor starter can be used for this application but must be mounted with a distance of at least 20 mm between the de...

Page 22: ...2 Motor starter overview 2 5 Layout of devices with Ie 9 A 18 EMS2 SWD Electronic motor starter 10 19 MN120008EN www eaton com ...

Page 23: ...rter is now ready for commission ing The automatic addressing of all modules in the SmartWire DT line is performed via the gateway actuation of the configuration pushbutton on the gateway during commissioning The SWD LED flashes during the addressing process The LED changes to a static green after the addressing process 3 2 Replacing EMS2 SWD motor starters With types EMS2 24VDC parameterizing the...

Page 24: ...ated service data object SDO 2102subx need to be modified in the PLC configuration pro gram For example when using the CODESYS 3 programming system you will need to change the default value from 0x00000030 to 0x00002093 if you want to use profile 3 Figure 9 Service data object 2102subx When using data profile 2 3 4 or 5 in conjunction with programming sys tems with a PLC configurator that does not...

Page 25: ...rs via SmartWire DT and maybe a gateway to actuate the motor starter EMS2 SWD Available volume of data 7 byte cyclical input data 1 byte cyclical output data 4 objects 6 byte acyclical input data 2 objects 2 byte acyclical output data 3 4 1 Cyclicaldata A maximum of seven input bytes and one output byte on cyclical data are available The number of input bytes can be adjusted by preselecting the ap...

Page 26: ...ot active EMS2 RO SWD or starter not active EMS2 DO SWD 1 Clockwise operating direction active EMS2 RO SWD or starter active EMS2 DO SWD 2 DIRL 0 Counterclockwise operating direction not active 1 Counterclockwise operating direction active EMS2 RO SWD only 3 EN Safety related release signal EMS2 DOS SWD and EMS2 ROS SWD only 0 not present 1 present 4 DIAG 0 no diagnostics active 1 Diagnostics acti...

Page 27: ...r 7 ACKR 0 There is no overload present 1 There is overload present The message must be acknowledged Bit Setting In in A Bit 3 Bit 2 Bit 1 Bit 0 Ie 3 A Ie 9 A 0 0 0 0 0 18 1 5 0 0 0 1 0 3 1 0 0 0 1 0 0 44 2 5 0 0 1 1 0 6 3 0 0 1 0 0 0 68 3 5 0 1 0 1 0 88 4 0 0 1 1 0 1 0 4 5 0 1 1 1 1 1 5 0 1 0 0 0 1 2 5 5 1 0 0 1 1 5 6 0 1 0 1 0 1 6 6 5 1 0 1 1 1 9 7 0 1 1 0 0 2 1 7 5 1 1 0 1 2 4 8 0 1 1 1 0 2 7 8...

Page 28: ...EL I REL I REL I REL LSB Bit Designation Meaning 0 1 7 I REL Motor current in percent highest value of the three phase currents Value range 0 255 Ie 100 3 A or 9 A depending on type Bit 7 6 5 4 3 2 1 0 Configura tion TH MSB TH TH TH TH TH TH TH LSB Bit Designation Meaning 0 1 7 TH Current calculated thermal load of the motor Value range 0 255 of the current that has been set with the motor protect...

Page 29: ... 0 Load 105 of the set current In 1 Load 105 of the set current In Byte 5 Bit 7 6 5 4 3 2 1 0 Configura tion I ABS I ABS I ABS I ABS I ABS I ABS I ABS I ABS LSB Byte 6 Bit 7 6 5 4 3 2 1 0 Configura tion I ABS MSB I ABS I ABS I ABS I ABS I ABS I ABS I ABS LSB Bit Designation Meaning 0 1 15 I ABS Motor current in amps highest value of the three phase currents Resolution 10 mA Example 357 3 57 A Bit ...

Page 30: ...ing edge 32 RESA 1 automatic reset after overload shutdown continuous signal 42 Not used 53 PDIRL A rising edge starts the counterclockwise rotation with EMS2 RO SWD 63 PSTOP A rising edge stops the motor 73 PDIR PDIRR A rising edge starts EMS2 DO SWD or the clockwise rotation with EMS2 RO SWD 1 Starting stopping the electronic motor starter with a static signal the signal must prevail for the dur...

Page 31: ...ceives the number 1 the second the number 2 and so forth With device EMS2 SWD the object 1 delivers for example the relative current I REL 3 4 2 1 Acyclical input data Object 1 Index 1 Byte 0 Object 2 Index 2 Byte 0 Bit 7 6 5 4 3 2 1 0 Configura tion I REL I REL I REL I REL I REL I REL I REL I REL Bit Designation Meaning 0 1 7 I REL Motor current in percent highest value of the three phase current...

Page 32: ...d current is flowing 5 Not used 6 MAINS FAILURE 1 The device is activated but there is no current 7 OL WARN Current calculated thermal load of the motor 0 Load 105 of the set current In 1 Load 105 of the set current In Bit 3 Bit 2 Bit 1 Bit 0 Type 0 0 0 0 not used 0 0 0 1 not used 0 0 1 0 not used 0 0 1 1 not used 0 1 0 0 EMS2 DO T 3 SWD 0 1 0 1 EMS2 RO T 3 SWD 0 1 1 0 EMS2 DOS T 3 SWD 0 1 1 1 EMS...

Page 33: ...Bit 7 6 5 4 3 2 1 0 Configura tion I ABS MSB I ABS I ABS I ABS I ABS I ABS I ABS I ABS LSB Bit 7 6 5 4 3 2 1 0 Configura tion I ABS MSB I ABS I ABS I ABS I ABS I ABS I ABS I ABS LSB Bit 7 6 5 4 3 2 1 0 Configura tion I ABS MSB I ABS I ABS I ABS I ABS I ABS I ABS I ABS LSB Byte Bit Designation Meaning 0 1 2 0 1 7 I ABS Motor current in amps in the three phases Byte 0 Phase L1 Byte 1 Phase L2 Byte 2...

Page 34: ...Meaning 0 1 2 3 Ir Set value of the internal motor protection 4 5 6 7 Not used Motor protection 1 is the safety oriented rated current A change must be confirmed on the device Motor protection 2 can be set without confirmation on the device with a value smaller than motor protection 1 Bit Setting In in A Bit 3 Bit 2 Bit 1 Bit 0 Ie 3 A Ie 9 A 0 0 0 0 0 18 1 5 0 0 0 1 0 3 1 0 0 0 1 0 0 44 2 5 0 0 1 ...

Page 35: ... to the cable protection must also be taken into consideration 4 1 1 Use in IEC environment EMS2 SWD electronic motor starters can be used in an IEC environments according to table 9 Table 9 Fuse protection in IEC environment Device type Maximum short circuit current Iq at the mounting location Max permissible supply voltage Type of coordi nation 16A gG 50 kA 500 V 1 30A CCMR30 50 kA 500 V 1 FAZ B...

Page 36: ...stallation in a circuit with a maximum of 480 V and a symmetrical short circuit current of maximum 5 kA in a group installation suitable for use in a circuit with a maximum of 480 V and a symmetrical short circuit current of maximum 100 kA provided they are protected with a 30 A fuse type J or CC or equivalent Table 10 Fuse protection in UL environment group installation Device type SCCR Max permi...

Page 37: ...tual motor current In setting of the motor protection on the EMS2 SWD device Devices with a rated operational current Ie of 9 A are in trip class 10A Figure 11 Tripping characteristics class 10A t tripping time I actual motor current In setting of the motor protection on the EMS2 SWD device WARNING Below the minimum device current the motor on the EMS2 SWD motor starter is ineffective In the deliv...

Page 38: ...viation can be calculated using the following formulas Imax Inenn deviation Imax Imin Imax Imax Inenn deviation Imax Imin Inenn 4 2 2 Motor with brake If a motor with brake connection in the motor terminal board is connected the 400 V AC brake must be linked to the 2 T1 and 6 T3 terminals A 230 V AC brake must be connected to the 4 T2 terminals and the star point of the motor In the event of high ...

Page 39: ...e in the PLC program or using the SWD Assist software A differentiation is made between motor protection 1 and motor protection 2 where the value for motor protection 2 must be lower than or equal to that of motor protection 1 Having sent the setting to the motor starter the LED PWR flashes The other four LEDs show the set value according to table 11 below In order for the set value to be adopted ...

Page 40: ... parame ters tab 4 Select a communications display 5 Select an interface of the PC for the communi cation 6 Select the key panel online 7 Download the configuration by pressing the PC device button The PWR LED on the EMS2 SWD motor starter flashes The LEDs below this indicate the sent value for the motor protection see table 11 below 8 Press the RESET button on the front of the motor starter for a...

Page 41: ...ayed The four remaining LEDs SWD ERR L R ON indicate the set value for coding see table 11 below 0 off 1 on Release the set button The LED PWR lights up permanently again Table 11 Settings of the motor protection Code Setting In PWR ERR L R Ie 3 A EMS2 3 SWD Ie 9 A EMS2 9 SWD PWR ERR ON A A 0 0 0 0 0 18 1 5 0 0 0 1 0 3 2 0 0 0 1 0 0 44 2 5 0 0 1 1 0 6 3 0 0 1 0 0 0 68 3 5 0 1 0 1 0 88 4 0 0 1 1 0 ...

Page 42: ... or ON LEDs lights up depending on the previously driven operating direction Reset EMS2 SWD series motor starters have a thermal memory which means that a reset after the motor protection has tripped is possible only once a waiting period cooling down time has passed After the waiting period has passed the L Ror ON LED which had previously lit up permanently prior to the error flashes see also sec...

Page 43: ... where in the case of a controlled stop the supply voltage is switched off via the SmartWire DT in order to achieve a safe state CAUTION Since the control supply voltage or the control voltage of the hybrid motor starter is disconnected via a single channel this type of installation according to SIL 3 Cat 3 Cat 4 is permit ted only if error prevention for cross circuits according to EN ISO 13849 i...

Page 44: ...ncluded in a controlled stop chain When using EMS2 DOS SWD or EMS2 ROS SWD the terminals must be bridged with EN and with EN so that a start signal is accepted via SWD Figure 12 Application without controlled stop with error prevention SmartWire DT 8 L1 L2 L3 F1 3 L2 1 L1 5 L3 2 T1 4 T2 6 T3 M 3 W1 V1 U1 EMS2 DO SWD EMS2 RO SWD SmartWire DT 8 L1 L2 L3 F1 3 L2 1 L1 5 L3 2 T1 4 T2 6 T3 M 3 EN EN W1 ...

Page 45: ...onnected via the safety relay For the enable the internal voltage on the terminals and is used This type of wiring is then only accepted if the EMS2 SWD motor starter and the safety relay are located in the same control panel The background to this is a possible cross short circuit which can lead to a bridging within the controlled stop circuit This is more probable for cables which are located ou...

Page 46: ...motor starter is used in combination with an ESR5 series safety relay A cable for the safety oriented enable EN EN is connected via the safety relay For the enable an external voltage of 24 V is used This type of wiring is then only accepted if the motor starter EMS2 SWD and the safety relay are located in the same control panel SmartWire DT 8 L1 L2 L3 0 V DC 24 V DC F1 3 L2 1 L1 5 L3 2 T1 4 T2 6 ...

Page 47: ...s ERR e g overcurrent imbalance phase failure are indicated by a red LED while a yellow LED shows clockwise or counterclockwise operation Internal faults cannot be acknowledged They are stored in the device and will eventually prevent the equipment from being started at all When the EMS2 detects a fault the explosion proof motor is switched off safely and the feedback relay is actuated The fault c...

Page 48: ...10 19 MN120008EN www eaton com 6 1 LEDs on the front of the device The LEDs for displaying the device status have the following designations and colors Direct starter Figure 15 LEDs for direct starters PWR green SWD green ERR red permanent light yellow flashing no designation yellow ON yellow ...

Page 49: ...on the front of the device EMS2 SWD Electronic motor starter 10 19 MN120008EN www eaton com 45 Reversing starters Figure 16 LEDs for reversing starters PWR green SWD green ERR red permanent light yellow flashing L yellow R yellow ...

Page 50: ...message page 48 PWR SWD ERR L R ON Off No supply voltage available X X X No SWD Device not integrated into SWD Data traffic Device integrated into SWD Cyclical or acyclical communica tion is taking place Drive switched on Counterclockwise operation L Drive switched on Clockwise operation R or ON Internal error Device needs to be replaced Not possible X Motor protection tripped during counterclockw...

Page 51: ...is stalled Counterclockwise operation The maximum measurable motor current is exceeded for more than 2 s Manual X Motor is stalled Clockwise operation The maximum measurable motor current is exceeded for more than 2 s Manual X Phase failure No motor connected Motor current Imin for more than 2 s Error has occurred during coun terclockwise operation The power circuit is still connected Automatic as...

Page 52: ... 3 4 1 2 Cycli caloutput data page 26 The automatic reset takes place after approx 20 minute scooling down time It is possible to reset the device using a manual command during this period of time The condition for this is that the cooling down time for a manual reset approx 2 minutes has expired One of the LEDs L R or ON flashes WARNING If an error is acknowledged and the bit SDIR SDIRR or SDIRL ...

Page 53: ...can be reset only after the cooling down time has passed During the cooling down time the LED L R or ON lights up permanently After the cooling down time the permanent light changes to flashing mean ing a reset is now possible The EMS2 SWD motor starter requires a signal with a rising edge with a duration of less than 2 seconds If the signal is longer the device remains in error mode The error is ...

Page 54: ...6 Status messages 6 2 Resetting after an error message 50 EMS2 SWD Electronic motor starter 10 19 MN120008EN www eaton com ...

Page 55: ... 60715 Mounting position Vertical motor feeder on bottom Vertical motor feeder on bottom EMC Emitted interference is cable related EN 55011 class A Emitted interference is radiated EN 61000 6 3 class A This is a product for environment A In a domestic environment this device may cause radio interference in which case the user may be required to take adequate measures Emitted interference is cable ...

Page 56: ...mpulse voltage Uimp 6 kV 6 kV Insulation properties between the actuating voltage control supply voltage and auxiliary circuit to the main circuit Operational voltage 300 V AC e g 230 400V AC 277 480 V AC Safe isolation according to IEC EN 60947 1 and EN 50178 checks for devices with safety Operational voltage 300 V AC 500 V AC Basic isolation according to IEC EN 60947 1 Safe isolation according t...

Page 57: ...IT at 40 C ambient temperature PFDavg 6 months 36 months Average Probability of Failure on Demand 0 5 x 10 6 2 9 x 10 6 0 5 x 10 6 2 9 x 10 6 Safety level according to IEC CEI 61508 1 to SIL3 ISO 13849 1 to category 3 PL e IEC CEI 61508 1 to SIL3 ISO 13849 1 to category 3 PL e Motor protection HFT hardware fault tolerance 0 0 Ambient temperature 40 C 60 C 40 C 60 C MTTFD Mean Time to Failure Dange...

Page 58: ...7 Technical data 54 EMS2 SWD Electronic motor starter 10 19 MN120008EN www eaton com ...

Page 59: ...8 Dimensions EMS2 SWD Electronic motor starter 10 19 MN120008EN www eaton com 55 8 Dimensions Figure 17 EMS2 SWD 22 5 mm 0 89 113 6 mm 4 47 112 5 mm 4 43 ...

Page 60: ...8 Dimensions 56 EMS2 SWD Electronic motor starter 10 19 MN120008EN www eaton com ...

Page 61: ... 13 The distance of the individual terminal blocks from one another is designed so that they can also be used if the motor starters are fitted at a distance of 22 5 mm from one another The length l of the connection cable is 3 m Figure 18 EMS2 XBR T three phase current connector and EMS2 SWD motor starters Table 13 Three phase current connector EMS2 XBR T Type Length l of the connec tion cable Max...

Page 62: ...9 Accessories 9 1 Three phase current connector 58 EMS2 SWD Electronic motor starter 10 19 MN120008EN www eaton com ...

Page 63: ...s additional 3 E EMS 4 EMS2 XBR T 15 57 EU5C SWD CAN 20 EU5C SWD EIP MODTCP 35 EU5C SWD POWERLINK 35 H Hazard warnings 4 I Input data 21 acyclical 27 cyclical 22 Instruction leaflet 3 L LEDs for displaying the device status 44 M Motor protection 7 33 Motor protection 1 30 35 Motor protection 2 30 35 Mounting 15 O Output data 21 acyclical 30 cyclical 26 Overload protection 7 P Phase failure 7 Phase...

Page 64: ...at ribbon cable 19 39 Symbols 4 T Target group 3 Technical data 51 Thermal memory 38 Three phase current connector 15 57 Trip class 33 Tripping 38 Tripping characteristics 33 Type code 8 Type designation 8 Types of protection 5 U Use in IEC environment 31 in UL environment 32 ...

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