Model 862E Explosion-Proof Heavy-Duty Thermostat

Brand: Dwyer Instruments, LLC

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.
Features
  • 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

Specifications

Adjustment Type

  • Field Adjustable

Approvals & Certifications

  • CSA
  • UL

Conduit Connection

  • 3/4” NPT Female

Deadband, Approximate

  • 1.5° C (2.5° F)

Electrical Connectors

  • Screw Terminal

Electrical Rating

  • 22 A at 480 Vac, 1/2 hp at 125 Vac, 1 hp at 250 Vac

Enclosure, Body Material

  • Aluminum

Environmental Protection

  • NEMA 7, 9
  • NEMA 9

Operating Temperature

  • -45° to 80° C (-49° to 176° F)

Set Point - Decreasing

  • 2° to 28° C (36° to 82° F)

Set Point - Increasing

  • 2° to 28° C (36° to 82° F)

Switch Type

  • SPDT

  • 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
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