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United Electric C100-120-0140 ATEX 120 Series Temperature Switch

The 100 Series is a cost-effective pressure 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 utilise the 100 Series are heat tracing, freeze protection, processing equipment (pumps, compressors), inputs for annunciator panels, and fire suppression systems.


  • Immersion stem; one SPDT output; internal adjustment with no reference dial
  • Enclosure: Die cast aluminum, epoxy powder coated, gasketed, captive cover screws
  • Certified to enclosure type 4X
  • ATEX Certified
  • Adjustable Set Point Range: 0 to 225°F (-17.8 to 107.2°C)
  • Stem size & Finish: 9/16″ (OD) x 1-7⁄8″ (length) below 1/2″ NPT thread (nickel-plated brass)
  • Gold contacts, 1A 125 VAC resistive
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