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Product Introduction：
Three-phase thermal relay tester is mainly used for setting and calibration of various thermal relays and motor protection devices. Because of its reasonable design convenient operation and high output power it is widely used in electric test sites of power system railway petrochemical metallurgical and mining enterprises.
Technical index：
1. AC current output: 0-500a (customizable)
2. Digital AC ammeter: 4½0.5 grade accuracy
A. Digital timer
Timing length: 0~999.999 seconds
Error: 0.2 level accuracy
Border size: 44×30×34cm
C. Weight: 7kg
Feature:
1. It can output three-phase 0-500a current at the same time.
2. It can test the action time of thermal relay thermocouple and motor protector simultaneously.
3. Normally open and normally closed contact detection.
4. Multiple calibrations can be connected in series at the same time to improve work efficiency.
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