SIEMENS earth-leakage protection relays

... Functions Protection functions •Overcurrent protection (definite-time/inverse-time/user-def.) •Sensitive earth-fault detection •Intermittent earth-fault protection •High-impedance ...

... SIPROTEC 7UM62 protection relays can do more than just protect. They also offer numerous additional functions. Be it earth faults, short-circuits, overloads, overvoltage, overfrequency ...

... Reyrolle 7SR45 numeric relay provides both definite time and inverse time overcurrent and earth fault protection functions ensuring sensitivity with a minimum operate ...

... Thermal overload (49) •Instantaneous overcurrent protection (50) •Instantaneous earth fault (50N/G) •Time delayed overcurrent protection (51) •Time ...

Tripping current: 1 A - 5 A
Trigger voltage: 19 V - 275 V

Our differential protection relay, Reyrolle7SR18, is a numeric three phase differential protection relay used to detect in zone phase and earth faults. ...

... and reactor protection schemes. Relays are housed in size E8 or E10 cases. Integrated logic is provided to allow the optimal configuration of relay functionality with the relays ...

... circulating current relay that has four current inputs, it is used as a unit protection to detect phase and earth faults. Features The relay can be applied to busbars, ...