Dwyer 862E型防爆温度开关

Dwyer 862E型防爆温度开关
 

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 Ordering
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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). Approvals: CSA, UL. 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 
Dwyer 862E型防爆温度开关