It is used for thermal relay, motor protector, contactor, air switch, switch cabinet, circuit breaker and protection screen calibration Test. It can perform the test of transformation ratio, time, over-current, quick-break, and transmission on the current relays and switches. ■ Display the primary and secondary current, the ratio, and the stopwatch timing function. ■ Beautiful appearance, large output capacity ■ Small size and light weight.
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