UniTherm Explosion Proof Box Class 1, Div 1

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MSRP: $1,722.30
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Explosion Proof Box Class 1, Div 1

This explosion proof tumbler switch is ideal for operators seeking a high quality explosion proof switch rated for use in hazardous areas designated Class 1 Division 1.

Class I

Hazardous locations or areas where flammable gases or vapors are/could become present in concentrations suitable to produce explosive and/or ignitable mixtures.

Class I, Division 1: There are three different situations that could exist to classify an area as a Class I, Division 1 location.

  1. When the atmosphere of an area or location is expected to contain explosive mixtures of gases, vapors, or liquids during normal working operations. (This is the most common Class I, Div. 1)
  2. An area where ignitable concentrations frequently exist because of repair or maintenance operations.
  3. The release of ignitable concentrations of gases or vapors due to equipment breakdown, while at the same time causing electrical equipment failure.


  • Item: Class 1 Div 1 Box
  • Max Temp: 550ºF
  • Color: Grey
  • Fastening: N/A
  • Approx "R" Factor: 0.27
  • Thickness: 0.25"
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