ABB CM-MSS Thermistor Motor Protection Monitoring Relay 1SVR430811R1300, 220–240 VAC

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ABB CM-MSS (Part No. 1SVR430811R1300) is an industrial thermistor motor protection monitoring relay designed for reliable protection of electric motors against overheating. The relay continuously monitors PTC thermistors embedded in motor windings and disconnects the circuit when the temperature exceeds the permissible limit.

This device is widely used in industrial automation systems, control cabinets, motor control centers (MCC), and electrical panels where motor safety and operational reliability are critical.

Key Features:

• Device type: Thermistor motor protection monitoring relay

• Model: CM-MSS

• Manufacturer: ABB

• Power supply: AC 220–240 V, 50/60 Hz

• Thermistor input: PTC motor thermistors

• Output contacts: 2 C/O (changeover)

• Mounting: DIN rail

• Certifications: CE, UL, CCC

• Country of origin: Germany

Applications:

• Electric motor overheating protection

• Industrial automation and control panels

• Pumps, compressors, fans, conveyors

• Motor monitoring and safety systems

ABB CM-MSS ensures long motor lifetime, prevents thermal damage, and improves system safety in demanding industrial environments.