... functions of over load, short circuit, current leakage ,low voltage, over voltage, low current, triphase current imbalance ,loss phase ,phase ... waynaturallyContactor Closed Current (A)4000Intrinsic safety parameterMax output breaking voltage: AC 22VMax output short-circuit current:95mAContactor Breaking Current ... Mining Explosion-proof safe and permanent-magnet high voltage Motor Soft starter