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Secondary Injection Test Kit by Siemens

Posted by Protec Tech Team on

Siemens PTS-5 Secondary Injection Test SetWhen it comes to inspecting and maintaining protective relays and circuit breakers, the secondary injection test kit is the go-to piece of electrical test equipment that every tech and field worker needs.

Trip units must be checked periodically to ensure that there are no defects or faults developing within the system. Because trip units protect workers from injury and equipment from failure, testing them becomes vital within organizations.

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The 
Siemens PTS-3 Secondary Injection Test Set offers users a portable tool to conduct testing of trip units used within LA and RL lines of circuit breakers. These low voltage breakers must be regularly tested for defects and to ensure they are functioning correctly. This Siemens model allows for tests to magnetic tripping actuators as well as other operational characteristics of the device.


Since the PTS-3 is powered from a 120 volt outlet, it is a much simpler and less costly method of verifying the proper operation of these trip devices than using primary current injection to perform this testing. In fact, the static trip III device may be tested while installed in the circuit breaker or independent of the circuit breaker assembly. In addition to the cost effectiveness of using a PTS-3 instead of primary current injection, there is a lessened concern for safety in that testing is performed at significantly reduced  levels of 
electrical energy.

Related electrical test equipment available for rent from Protec:

Siemens PTS-5 Secondary Injection Test Set

Siemens PTS-4 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.

Wherever the job takes you (and the equipment), with Protec's multiple locations, we always ship from the office closest to your desired drop location (if the electrical test equipment you need is in-stock at that location), and the equipment can be returned to the nearest office.

We always consider ALL shipping options in order to save you the most time and money.

Also, if you happen to be close to one of our many office locations, walk-ins are always welcome!

Rely on the Electrical Test Equipment Rental Experts, we are there when and where you need us.

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Editor’s Note: This post was originally published June, 2012 and has been updated freshness, accuracy and comprehensiveness.

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