ABB | 1SVR430720R0400 | CM-MSS
CM-MSS Thermistor motor protection relay

MFR PART #  1SVR430720R0400  | CM-MSS
PART #  517754
Minimum 1 EACH

Description

The CM-MSS relay is from the CM thermistor motor protection relay range. This relay operates with a rated control supply voltage of 24 V AC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. It features one sensor circuit for monitoring of PTC temperature sensors or bimetals and works according to the closed-circuit principle. Automatic reset and fault storage are configurable. This CM-MSS is equipped with a reset button and offers the possibility of using a remote reset. A sealable t ransparent cover for protection against unauthorized changes is available as accessory.

This part is discontinued by supplier.

Applications

The devices CM-MSS (4) and (5) are used to monitor the overload of motors by the wiring temperature. The motors have to be fitted with PTC sensors.

Features

  • One sensor circuit with short-circuit monitoring
  • Continuous voltage range: 24-240 V AC/DC
  • Selectable non-volatile storage in case of fault
  • Reset / test button
  • Remot reset
  • Automatic reset configurable
  • Output contacts: CM-MSS (4): 1 n/o, 1 n/c and CM-MSS (5): 2 c/o
  • 2 LEDs for status indication

Specifications:

Rating IP20
Type RELAY
UNSPSC Code 39121521

Spec Sheet

Spec Sheet

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