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Rent Secondary or Primary Current Injection Test Sets, the Best Option

Posted by Protec Tech Team on

Square D by Schneider S33595 Secondary Injection Test SetSecondary current injection testing is performed on solid-state trip units using a specially designed power supply unit. However, the secondary injection method only tests the solid-state trip unit, and does not test the current sensors, wiring, or the breaker current handling components. 

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A secondary injection test set allows for the inspection of the solid-state trip unit operation without using primary current by passing enough current to check any desired calibration point.  The breaker must be de-energized before checking the operation of the solid-state trip units. 

The primary current injection method is favored when it is necessary to verify the sensors and wiring, as well as the conduction path in the breaker.  It is recommended that the primary injection test be performed on all three phases when testing breakers with solid state-trip units. 

ETI PI-1600B High Current Test Set

Related electrical test equipment available for rent from Protec:

Siemens PTS-5 Secondary Injection Test Set

Square D by Schneider S33595 Secondary Injection Test Set

Utility Relay Co. B-292 Secondary Injection Test Set

ETI PI-1600B High Current Test Set

Megger ODEN AT Primary Current Injection Test System

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.

Protec's Calibration Lab offers accurate and affordable calibration services for all makes and models of electrical test and measurement equipment. Contact us today for a quote.

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Topics: Secondary Injection Test, Primary Current Injection

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