Protection relays

Time-Domain Line Protection Apply the SEL-T400L Relay for ultra-high-speed and secure protection of critical lines. With breakthrough time-domain technologies, the SEL-T400L securely ...

Protection, Automation, and Control System Apply the SEL-421 Protection, Automation, and Control System for high-speed distance and directional protection and complete control of a two-breaker ...

• Earth leakage relay type A • External toroidal • Green power LED indicator (ON) • Red relay tripped LED indicator (TRIP) • Front TEST and RESET buttons • Modular DIN housing, 1 module, with transparent ...

The ELR 1E is a elementary unit of the latest series which is used mainly to decrease flush mounting ELR option, other than any other option. The most creative feature of the product is its decreased depth ( 60 mm which includes terminals). ...