ABB Monitoring Relay DPDT DIN Rail Mount 24 V DC/AC Control Supply 1SVR730712R1200 CM-MSS.41S

ABB 1SVR730712R1200 CM-MSS.41S Monitoring Relay is a precision device designed for temperature monitoring and motor protection in various industrial applications. Featuring a dual pole double throw (DPDT) contact configuration, this relay offers reliable circuit control and protection. The DIN rail mount with screw terminals allows for rapid and secure installation in electrical panels or control cabinets.

This relay supports a wide range supply voltage of 24 to 240 V AC/DC, making it versatile for different electrical systems. With compact dimensions of 103.7mm length, 22.5mm width, and 85.6mm height, it fits neatly into constrained spaces, aiding efficient system design. The unit operates reliably in temperatures from -25°C up to 60°C, which allows use in environments subject to temperature fluctuations or harsh conditions.

Rated at a contact current of 3.7 mA, it protects sensitive equipment by detecting thermistor signals effectively. It has an IP20 and IP50 rating at terminals, ensuring safety against accidental contact and ingress of dust or foreign objects larger than 12 mm. The relay delivers mechanical durability up to 30 million cycles, promising a long operational life and minimal maintenance.

Typical applications include HVAC systems, automotive manufacturing lines, power tools, lifts, and escalators where motor temperature monitoring is critical to prevent overheating and motor failure. The compact and lightweight design (141 grams) reduces load on mounting structures and wiring.

ABB's CM-MSS series Monitoring Relays combine industrial-grade reliability with user-friendly installation and maintenance. The product complies with UL standards, ensuring trusted quality and safety for your automation and control systems.

Dual pole double throw (DPDT) contact configuration ensures secure switching. Designed for DIN rail mounting with screw terminal connections for easy installation. Rated control supply voltage from 24 to 240 V AC/DC for versatile application.

Compact size measuring 103.7mm length, 22.5mm width, and 85.6mm height fits tight spaces efficiently. Operating temperature range from -25°C to 60°C accommodates harsh environments. Terminals have IP20 and IP50 rating for protection against tools and dust.

Mechanical durability of 30 million cycles ensures long-lasting operation. Light weight of approximately 141 grams minimizes system strain. UL compliant and suitable for industrial use including HVAC, automotive manufacturing, and power tools.

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