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Square D S33595 Secondary Injection Test Set Designed to Perform

In secondary injection tests, the protective relay is first disconnected from its normal voltage or current terminal, and is connected to a secondary injection test unit that is capable of injecting as well as recording the operating signal. This signal is fed directly into the protective device or relay to cause the subsequent operation of the circuit breaker.

Secondary injection tests are generally preferred as there is no need for the circuit breaker to interrupt large current and only voltage signals that are sufficiently low are injected into the device.

Square D by Schneider S33595 Secondary Injection Test SetSecondary injection test kits are one piece of electrical test equipment that assists in testing the health of circuit breakers, and the Square D S33595 Secondary Injection Test Set is a full function test kit that is designed to perform tests on Micrologic, NT and STR Trip units. 

 

 

Related electrical test equipment available for rent from Protec:

ABB TS3 Trip Unit Test Set

Eaton Cutler Hammer 70C1056G52 Functional Test Kit

Siemens PTS-5 Secondary Injection Test Set

Utility Relay Co. B-292 Secondary Injection Test Set

This electrical test equipment is available for rent, lease, or purchase from Protec Equipment Resources. We are here to help you with your testing equipment needs.

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