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PERFECT CONTROLS
Model PC 171
Model PC 171 Remote
Model PC 252
Model PC 252 Remote
Model PC 414
RTD Oil & Winding transmitters
Tap Position Transmitters
Other Products
Model PC 252
























    MICROSWITCH         MERCURY SWITCH
 
  • Specially designed to protect medium & large power transformers
  • Self powered operation
  • Liquid in Metal expansion type
  • Ergonomically designed 60 deg dial for optimum viewing
  • Complete Ambient temperature & Head compensation
  • IP55 weather proof ventilated case, can be directly mounted on transformer
  • Various Measuring ranges: 0-150°C, 20-140°C, 30-150°C, 0-120°C
  • Measuring accuracy of 1.5% fsd.
  • Stainless steel armour sheathed capillary of 5m, 6m, 10m, 12m can be provided
  • ØWinding Temperature is measured using a special Thermal Imaging device which is specially designed for each transformer manufacturer
  • Thermal imaging device accurately simulates the winding temperature gradient as a function of CT secondary current
  • Since the time constant of the thermal imaging device is same as oil immersed transformer winding, the winding temperature is accurately tracked with respect to time.
  • ØUpto four Microswitches or Mercury switches are provided for Alarm, trip, cooler fan/pump operation
  • Mercury switches have 5A, 250V ac/dc rating
  • All Micro switches in PC252 have 15A, 250V ac rating
  • For higher dc rating Model PC171 with MBO microswitches can be used
  • All circuits to earth are tested at 2500V, 50Hz for 1 minute



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About Perfect Controls
Contact Us
Products
Support