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United Electric F100-6BS Temperature Switch

The 100 Series is a cost-effective pressure and temperature switch for process plants and OEM equipment. The rugged, one piece enclosure features a slanted cover for wiring accessibility.

A wide variety of microswitch and process-connection options make this versatile series ideal for applications requiring a rugged weather-proof mechanical switch. Typical applications that utilize the 100 Series are heat tracing, freeze protection, processing equipment (pumps, compressors), inputs for annunciator panels, and fire suppression systems.


  • Storage temperature – -54 to 71°C
  • Ambient temperature limits – -40 to 71°C
  • Set point repeatability – ±1% of adjustable range
  • Shock – Set point repeats after 15 G, 10 millisecond duration
  • Vibration – Set point repeats after 2.5 G, 5-500 Hz
  • Enclosure – Die cast aluminium, epoxy powder coated; gasketed; captive cover screws
  • Enclosure classification – Enclosure type 4X
  • Switch output – One SPDT snap action switch, switch may be wired “normally open” or “normally closed”
  • Electrical rating – 15A 125/250/480 VAC resistive
  • Reference scales – None
  • Electrical connection – 1/2″ NPT (F); Two 7/8” diameter knockouts
  • Connection – Bulb & capillary, 3/8″ O/D x 4-1/2″ length, stainless steel”
  • Adjustable Set Point Range – -17,8 to 121,1°C
  • Max. Temperature – 148,9°C
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