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Siemens PTS-4 Secondary Injection Test Set





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Siemens test set type PTS-4 is designed for testing the static overcurrent tripping systems used on the LA and RL line of low voltage circuit breakers.  It provides a means of testing the magnetic tripping actuator as well as the static trip device.  PTS-4 is compatible with the original first generation Static Trip models to the latest versions of Static Trip III and LimiTrip trip units.