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

Shipping Information

All shipping times are dependent on product availability at time of shipment.

Although we make every effort to ensure a continuous supply of our products, occasional circumstances may force us to temporarily run out of a product, or have shipping delays. Should this occur, customers will be notified soon after placement of any orders for such products and, if applicable, items will be put on backorder. For orders requiring expedited shipment, our customer service team can be contacted to confirm product availability

COVID-19 Update: Due to high customer demand, lead time on some products may be up to two weeks. While this is a developing health situation, we are working continuously to take the necessary measures to ensure that the products you need are available with minimal interruption.

Model Description Usually Ships* Price Code Order
Ships: Same Day
Price: $325.00
Explosion-proof, heavy-duty thermostat. Same Day* $325.00 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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