ABB 3 Phase Monitoring Relay, 342 to 418 VAC Monitor Range, DPDT Contact Configuration, DIN Rail 1SVR730784R2300 CM-PSS.31S

ABB 1SVR730784R2300 CM-PSS.31S is a high-precision 3 phase monitoring relay that operates in a voltage range of 342 to 418 VAC. It is designed for industrial and commercial electrical systems to continuously monitor voltage quality and protect equipment from faults such as overvoltage, undervoltage, and phase loss.

This monitoring relay features a double pole double throw (DPDT) contact configuration, allowing it to control circuits reliably during fault conditions. Its DIN rail mount design enables quick and secure installation inside control panels.

The unit consumes 18 VA and operates at supply voltages of 380 and 400 V AC, supporting common industrial power standards. Its screw clamp terminal design minimizes disruptions from wire movement and vibrations, ensuring durable connections in demanding environments.

The device dimensions are compact with 103.7 mm length, 22.5 mm width, and 85.6 mm height, making it suitable for tight enclosure spaces. IP20 and IP50 ratings offer protection against solids and splashing water, suitable for standard industrial conditions.

Front-mounted LED indicators visibly display the operational status, facilitating quick troubleshooting and maintenance. The time delay for tripping can be adjusted from 0 up to 30 seconds via a screw dial, offering system integrators precise control over fault response timing.

This monitoring relay finds applications in a wide range of industries including industrial automation, HVAC control systems, and water treatment facilities where reliable and timely detection of power anomalies is critical for preventing equipment damage and maintaining system uptime.

The device monitors voltage levels to detect overvoltage, undervoltage and phase failure conditions. It includes a switching voltage tolerance up to 300 V AC for reliable operation. Screw clamp terminals ensure secure and vibration-resistant connections.

The compact design measures 103.7 mm in length, 22.5 mm in width, and 85.6 mm in height for space-saving installation. LED indicators on the front panel provide clear visual status of the circuit at a glance. Adjustable time delay from 0 to 30 seconds enables flexible fault response customization.

Rated for supply voltages of 380 and 400 V AC with power consumption at 18 VA. Suitable for industrial automation, HVAC systems, and water treatment monitoring applications. Explore more products in the Monitoring Relays category on EnvMart for solutions tailored to your industrial electrical monitoring needs.