Dwyer Instruments 862E Catalog Page

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MODEL 862E | MERCOID® BY DWYER

EXPLOSION-PROOF, HEAVY-DUTY THERMOSTAT

Line or Low Voltage, Heating or Cooling

TEMPERATURE

The Model 862E Explosion-Proof, Heavy-Duty Thermostat is designed for
hazardous-location temperature control of heating, cooling, or ventilation systems and
features an adjustable set point knob for easy and convenient set point adjustment.

FEATURES/BENEFITS

• Explosion-proof construction

• Lightweight and durable

APPLICATIONS

• Oilrigsorreneries

• Petrochemical plants

• Grain processing and storage facilities

• HVAC control

MODEL CHART
Model Description
862E Explosion-proof, heavy-duty thermostat

SPECIFICATIONS
Service: 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).
Deadband: 2.5°F (1.5°C).
Weight: 2.1 lb (0.95 kg).
Agency Approvals: CSA, UL.

USA: California Proposition 65
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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