1. Function
Carrying out operating test on feeder switch, electromagnetic starter , vacuum circuit
breaker , vacuum contactor etc; Three phase synchronous test; Leakage lockout resistance
value test, leakage action value test, leakage action time test on various feeder switch,
electromagnetic starters; Over current, short -circuit, loss of phase, three phase imbalance
protection test on feeder switch, electromagnetic starter .
1. Function
Carrying out operating test on feeder switch, electromagnetic starter , vacuum circuit
breaker , vacuum contactor etc; Three phase synchronous test; Leakage lockout resistance
value test, leakage action value test, leakage action time test on various feeder switch,
electromagnetic starters; Over current, short -circuit, loss of phase, three phase imbalance
protection test on feeder switch, electromagnetic starter .
