Equipment function:

The tester is used for MCB magnetic trip characteristic testing, input 3ln-20ln current into respective poles , MCB is qualified when trip within low-power unaction  current and unaction time or trip within high-power action current and action time.

tester parameters:

1.Power voltage: 220V(1±2%)  50Hz
2.Capacity: 3kVA×1
3.output current range: 1~1000A
4.Current mutual inductor transformer ratio: AC0~1000A、750A、300A、150A、50A、25A, accuracy: 0.2 grade, intellgient peak value meter display direct reading current value (transform by gears and continuous adjustable)
5.Timer: 0.001s—999ms, resolution: 0.001s
6.Device insulation resistance≥5 megohm
7.System error≤±1.5%
8.Wave form degree of distortion≤5%