Dual Hi-Lo – Hermetically Sealed Temperature Switch

General Instructions
Product Bulletins
-50° to 1000°F, -45° to 540°C
Unit: INMETRO, RTN, SIL; Switch: ATEX, UL/CSA, TestSafe (SAA)
3 Years
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The SOR hermetically sealed, Dual Hi-Lo temperature switch is ideal for explosion proof applications and/or those applications that require protection of the switch contacts. It operates on a vapor-pressure thermal system and a sensing bulb that activates/deactivates a piston diaphragm according to the process temperature. 

The hermetically sealed Dual Hi-Lo switch incorporates two separate sensing assemblies and two separate set points with two separate switch outputs for settings at minimum and maximum temperatures.

It is field adjustable making it a convenient choice for just about any industry application in a non-hazardous situation.

  • Ranges from -50° to 1000°F
  • 316 SS temperature sensing bulbs
  • Remote sensing bulb is optional
  • Minimal ambient temperature influence
  • AC or DC electrical service
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SOR offers many special services in support of our Original Equipment Manufacturers and other large volume customers. Examples include special naming, exclusive nameplates, discriminative labels and even distinctive model numbers or designators. SOR will support and accept orders for the Representative’s special M3Y promoted products. If this program is selected by the customers, SOR will provide M3Y labeled units so that the Representative will know who purchased the products and the Representative can provide exceptional after sales service.