GDJB-III Three Phase Secondary Current Injection Universal Protection Relay Test
1.It is applied to test protection replay based on voltage and current operation.
2.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.
3.It’s a low cost, simple operation and reliable performance device for secondary circuit test.
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