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General Electric PST1-1 Secondary Injection Test Set





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The General Electric (GE) PST1-1 Secondary Injection Test Set is a portable unit designed to facilitate on-site testing Power Sensor Trip Devices Types PS-1, PS-1A, PS-1A-1 used on low voltage power circuit breakers Types AK-25/50/T50/75/100 and AKR-50.  


General Electric (GE) PST1-1 Secondary Injection Test Set applications:

  • Check current pick-up. 
  • Check the time current characteristics of the long time delay bands.
  • Test the Logic Unit as a separate item. 
  • Test the combination of Logic Unit, Power Supply Unit, Magnetic Trip device and associated wiring while installed in a de-energized breaker. 
  • Check load carrying. 
  • Check time delay bands of the short time and ground fault elements.