Siemens PTS-3 Secondary Injection Test Set

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The Siemens PTS-3 Secondary Injection Test Set is designed for testing the static overcurrent tripping systems used on the LA line of low voltage power circuit breakers. The PTS-3 is compatible with original first generation Static Trip models to the latest versions of Static Trip II and LimiTrip trip units. It provides a means of testing the magnetic tripping actuator as well as the static trip device.