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Equipment function:

    The tester is used for miniture circuit breaker time-current characteristic.Input all poles with 1.13ln current up to required time from the cold, no trip, then higher current to 1.45ln steadily within 5s, MCB should trip within required time.Tester judge qualified situation , reserve result and build database automatically.

Tester parameters:
1.Power voltage: 220V(1±10%)  50Hz
2.Capacity: 12kVA, 12 stations, 1.2kVA per station, output current independently and set parameters in each station respectively
3.Max output current for two stations: AC（1A～200A）(two gears current range:0-100A, 200A display pratical current directly with full scale,no need to conversion)input testing current, system adjust to setting value automatically.
4.Max output current for ten stations: AC（1A～100A）(four gears current range:15A, 30A, 100A display pratical current directly with full scale,no need to conversion),input testing current, system adjust to setting value automatically.
5.Current constant current precision≤±0.5%
6.Current mutual inductor precision: 0.2 grade
7.Wave form degree of distortion≤3
8.Insulation resistance≥5MΩ
9.System error≤1%
10.Timer resolution:1s, timer range: 1s—99999s
11.Equipment with LCD touch screen
12.Alarm system including coloured light, alarm button
13.Calibration multiple will rise to 1.45In after 1.13In, build form automatically .