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All Categories > Explosion-Proof Heaters > Explosion-Proof Duct Heaters > Item # 220  
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Item # 220, 220 Series Explosion-Proof Duct Heaters


  • CSA Approved for Class I, Division 2 locations where a hazardous gas is occasionally present
  • Ignition temperatures as low as 392°F (200°C)
  • For ducts up to 240" (610 cm) wide by 120" (305 cm) high
  • Ratings up to 1000 kW, 600 volts





Specifications

Custom Options

 View
B - Built-in Step Controller
D - Built-on Disconnect Switch
F - Supplementary Fusing
G - NEMA 4 Construction
K - "Warning" Pilot Light
L - "Heater On" Pilot Light
M - Disconnecting Magnetic Contactors
P - Built-on Airflow Switch
V - 120 Volt Control Circuit

Control Options
Multi-stage control with built-in step controller and field installed thermostat
Single-stage ON/OFF control with field installed thermostat
Solid state control with built-in zero-cross switching SCR and field installed thermostat


 MORE IMAGES 

·  Series 220 Dimensional Drawing


 DOWNLOADS 

Explosion-Proof Duct Heater Engineering Information
(PDF, 238KB)

Electric Duct Heaters in Hazardous Locations IOM
(PDF, 151KB)


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