ABB Temperature Monitoring Relay With SPDT Contacts, 24 → 240 V ac/dc

  • RS-artikelnummer 876-5005
  • Tillv. 1SVR740722R1400
  • Tillverkare / varumärke ABB
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CM-MSS Thermistor Motor Protection Relays

Heavy duty starting
Increased switching frequency
High ambient temperature
Insufficient cooling
Break operation

The CM range of thermistor motor protection relays are used to control motors equipped with PTC temperature sensors. The PTC temperature sensors are incorporated in the motor windings to measure the motor heating. This enables direct control and evaluation of the following operating conditions:

Main features include:
Dynamic interrupted wire detection
Wide control supply voltage rang 24-240 V AC/DC
Short circuit monitoring of the sensor circuit
Non-volatile fault storage
Remote reset
Screw connection technology or Easy Connect Technology available

Single Sensor Input Version
Wire Break Detection

Technical Specification
Manufacturer Part No. Supply Voltage Output Manual Reset Remote Reset Test Button Stock Number
1SVR430800R9100 24Vac/dc 1NO No No No 464-518
1SVR430801R1100 220-240Vac 1NO No No No 464-520
1SVR430810R9300 24Vac/dc 2CO Yes Yes No 464-570
1SVR430811R0300 110-130Vac 2CO Yes Yes No 464-574
1SVR430811R1300 220-240Vac 2CO Yes Yes No 464-568
1SVR430711R0300 110-130Vac 2CO Yes Yes Yes 464-564
1SVR430711R2300 380-440Vac 2CO Yes Yes Yes 464-558
1SVR430720R0400 24-240Vac/dc 1NO 1NC Yes Yes Yes 464-552
1SVR430720R0300 24-240Vac/dc 2CO Yes Yes Yes 464-546


Some products also have the ATEX approval for the use in hazardous areas.

Attribute Value
Monitoring Application Temperature
Supply Voltage 24 → 240 V ac/dc
Contact Configuration SPDT
Time Delay <100 ms
Temperature Sensitivity Overtemperature, Winding Temperature
Series CM-MSS
Special Features Automatic Reset, Fail-Safe, Inbuilt PTC Sensor, Insufficient Cooling Protection, Non-Volatile Fault Storage, One Measuring Circuit, Over Heating Protection, Over Load Protection, Short-Circuit Monitoring of the Sensor Circuit
Current Range Maximum of 3.7 mA
Standards Met ATEX, CB Scheme, CCC, CE, CULus, EAC, EMC, GL, IEC/EN 60255-1, IEC/EN 60947-8, RCM, RoHS
Terminal Type Push In
Width 22.5mm
Minimum Operating Temperature -25°C
Dimensions 103.7 x 22.5 x 85.6 mm
Maximum Operating Temperature +60°C
Height 85.6mm
Operating Temperature Range -25 → +60 °C
Mounting Type DIN Rail, Snap-In
Length 103.7mm
Tillfälligt slut i lager – restorder för leverans 2019-10-11
Pris (ex. moms) Each
1 081,61 kr
(exkl. moms)
1 352,01 kr
(inkl. moms)
Per unit
1 +
1 081,61 kr
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