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Electrical Time Switches, Timers & Control Relays

ABB THERMISTOR MOTOR PROTECTION RELAY 1 SENSOR CIRCUIT CONTROL 24VAC 1CO CM-MSS.12S

Product Code: CM-MSS.12S

Thermistor motor protection relay with one sensor circuit for monitoring PTC temperature sensors. Features 2 LEDs and operates on a rated control supply voltage of 24 V AC/DC. Equipped with a 1 CO (SPDT) output contact rated at 250 V / 4 A. The relay is interrupted-wire monitored and will reset automatically after the failure is resolved. Includes double-chamber cage connection terminals.

Technical Specifications

Brand ABB
Connection Type Double-chamber cage connection terminals
Contacts 1CO (SPDT)
Degree of Protection IP50 (Housing), IP20 (Terminals)
Dimensions (mm) 22.5W x 85.6H x 103.7D
Duty Time 100%
LED Colour U: Green, F: Red, R: Yellow
Mounting Type DIN Rail
No. of LED 3
Operational Temperature Range (°C) -25 to +60
Overvoltage Category III
Pollution Degree 3
Rated Control Supply Voltage AC/DC (V) 24
Rated Current (A) 4
Rated Frequency (Hz) 50/60
Rated Impulse Withstand Voltage (kV) 4
Reference No. 1SVR730700R0100
Sensor Type PTC Type A
Standards and Approvals CAN/CSA C22.2 No.14, EN 50495, IEC/EN 63000, IEC/EN 60079-7, IEC/EN 60947-5-1, IEC/EN 60947-8, UL 508
Storage Temperature (°C) -40 to +85
Terminal Type Screw
Weight (kg) 0.113

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