ABB Temperature Monitoring Relay SPDT DIN Rail Mount 24 V DC 24 V AC 300 V AC Operational Voltage 1SVR730712R1400 CM-MSS.31S

ABB 1SVR730712R1400 CM-MSS.31S is a high-performance temperature monitoring relay featuring SPDT (single pole double throw) contacts and a DIN rail mount design. It operates on a 24 V DC or AC supply voltage and supports a 300 V AC operational voltage, making it ideal for medium to heavy-duty applications.

This relay is designed to protect motors by performing thermistor monitoring, enabling functions like short-circuit detection, dynamic interrupted wire detection, and non-volatile fault storage. The device ensures efficient motor operation by preventing overheating and other temperature-related faults.

Operating within a temperature range from -25°C to +60°C, this unit includes an impulse withstand voltage rating of 4 kV to safeguard components against electrical surges. Its three LED indicators provide real-time status updates, aiding in effective monitoring and load control.

Additionally, it includes a built-in safety barrier that separates the supply, measuring, and output circuits, providing enhanced fault isolation and protection. The terminal connection type is screw, promoting secure and maintenance-friendly wiring installation.

With a compact size featuring a height of 85.6 mm and length of 103.7 mm, this relay is suitable for integration in a variety of industrial environments. It can endure mechanical shocks up to 10 g, making it resistant to vibration and impact commonly found in marine, manufacturing, and construction sectors.

Its robust IP50, IP20 ratings provide moderate protection against environmental factors. The contact current rating is 3.7 mA, ensuring reliable switching capabilities. Equipped with NO/NC SPDT contacts for reliable switching.

Compatible with DIN rail mounting for easy installation. Impulse withstand voltage of 4 kV protects against power surges. Operates safely between -25°C and +60°C temperature range. Features 3 LED indicators for clear status monitoring.

Designed with safety barriers isolating supply, measuring, and output circuits. Capable of handling a contact current of 3.7 mA. Suitable for marine, manufacturing, and construction industries. Robust against mechanical shock up to 10 g for 11 ms.

Terminal connection type is screw for durability and secure wiring.

This ABB monitoring relay is essential for applications requiring precise temperature supervision and motor protection in various industrial, manufacturing, HVAC, and marine operations. Its dependable performance and safety features make it a trusted component in control and automation systems.

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