ABB CM-EFS.2S 1SVR730750R0400 MONITORING RELAY

About ABB CM-EFS.2S 1SVR730750R0400 MONITORING RELAY

1SVR730750R0400is a CM-EFS.2S voltage monitoring relayfrom ABB. It operates with a rated control supply voltage of 24 - 240 V AC/DCand has a 2 c/o (SPDT) outputwith contacts rated at 250 V / 4 AThis relay provides a RMS measuring principlefor DC and AC voltages with four measuring ranges: 3-30 V, 6-60 V, 30-300 V, and 60-600 VIt features window monitoring for over- and undervoltage, adjustable trip delay, and is available in an IP20/IP50 enclosure.

Versatile Earth Fault Monitoring

The ABB CM-EFS.2S provides reliable detection of earth and ground faults across AC installations, enhancing safety in both industrial and commercial panels. The adjustable sensitivity and response time allow precise adaption to varied operational requirements, ensuring early detection and system protection.


Flexible Installation and User-Friendly Operation

Installation is simplified with DIN rail mounting and screw terminal connectivity. The relay offers intuitive LED status indicators and features such as adjustable sensitivity, auto/reset modes, and a practical test/reset function, streamlining commissioning and maintenance.


Robust Performance and Compliance

Crafted with durable plastic housing and designed to operate within a wide temperature (-20C to +60C) and humidity range, the CM-EFS.2S maintains performance up to 2000 meters altitude. Compliant with IEC/EN 60255-6 and IEC/EN 60947-5-1 standards, it assures long service life and safety.