Model 862E Explosion-Proof, Heavy-Duty Thermostat

Line or Low Voltage, Heating or Cooling

Explosion-proof, heavy duty, the MODEL 862E Thermostat is designed for hazardous-location temperature control. It is the most dependable, smallest, lightest and most durable thermostat available. The 862E is designed to control heating, cooling, or ventilation systems and features an adjustable set point knob for easy and convenient setpoint adjustment. The thermostat incorporates reliable snap action switch operation in SPDT configuration rated to 480 VAC max.

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Product Applications

  • Oil rigs or refineries
  • Petrochemical plants
  • Pulp and paper millers
  • Coal mines
  • Grain processing and storage facilities
  • Hazardous waste water storage facilities
  • Other hazardous locations where specific explosive gases or dusts are present
  • HVAC control

Models & Ordering

Model Description Usually Ships Price Code Order
Ships: Next Day
Price: $299.00
Explosion-proof, heavy-duty thermostat. Next Day $299.00 B Order


Compatible gases.
Temperature Limit:
-49 to 176°F (-45 to 80°C).
Enclosure Rating:
Explosion-proof NEMA 7 & 9, Class I, Divisions 1 & 2, Groups C & D; Class II, Division 1, Groups E, F & G; Class II, Division 2, Groups F & G; Class III; Class I, Zones 1 & 2, Groups IIA & IIB.
Switch Type:
SPDT snap action switch.
Electrical Rating:
22 A @ 480 VAC (res.), 1/2 HP @ 125 VAC, 1 HP @ 250 VAC.
Electrical Connection:
Screw terminal.
Conduit Connection:
3/4" female NPT.
Set Point Adjustment:
External knob.
Adjustable Range:
36 to 82°F (2 to 28°C).
2.5°F (1.5°C).
2.1 lb (0.95 kg).


  • Explosion-proof enclosure
  • No exposed copper or brass
  • Lightweight and durable
  • CFC & mercury free
  • Precision die-cast components
  • Bimetal sensing element
  • Corrosion resistant suitable for H2S environments
  • Fast acting, reliable, unaffected by altitude


Product Literature


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