Singal Phase Relay Tester

Product Name: Secondary Injection Test Set HYJB-III Equipment Description: HYJB-III Relaying protection tester is applied to test protection replay based on voltage and current operation. The main function of the tester include: *calibration of voltage and current operation relays, *secondary circuit inspection, trip value of circuit breaker test, *switch on and off time measurement of circuit breaker and so on. *It’s a low cost, simple operation and reliable performance