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These time delay relays are used for a variety of applications in heating and air conditioning. They operate by means of a solid state PTC (positive temperature coefficient) device which heats up as current passes through it from the control circuit. This heat causes a positive, snap-acting disc to make or break the necessary contacts.

  • Shock & vibration resistant internal snap action automatic reset switch mechanism assures positive make/break action
  • Non-positional
  • Wide selection for any application
  • Voltage and ambient compensated
  • UL and CSA listed
  • Used for electric heat, air conditioning, heat pumps, gas & oil furnaces, unit heaters and commercial refrigeration

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