Explosion Proof Electric Heaters

Modine's explosion proof electric unit heaters are designed for hazardous industrial locations where potential for explosion exists due to the presence of flammable gases, vapors, powdered-metals or dusts.

These unit heaters are UL-listed for Class I, Divisions 1 & 2, Groups C & D; Class II, Division 1, Groups E, F and G and Class II, Division 2, Groups F and G. UL temperature code shall be T3B 329°F (165°C) for Class I and II, indicating maximum operating-surface temperatures.

The explosion-protection design includes the following:

• Liquid to air, finned tube heat exchanger core
• Ethylene glycol water mixture used as heat-transfer fluid in the heater core, providing -49°F (-45°C) freeze damage protection
• Thermally protected, automatic reset, explosion-proof, motor driven fan moves air across finned tubes for even heat distribution
• Automatically reset, bimetal high-limit provides over temperature protection and is rated for 100,000 cycles of service
• Pressure relief valve provides over-pressure protection
• Epoxy coated, 14 gauge steel cabinet contains heater core, motor, and fan assembly
• Narrow-gap, two-piece fan-guard shields all moving parts
• Adjustable extruded aluminum louvers allow directional control of air
• Copper conductor wires enclosed in steel conduits carry all electrical power

Catalog: 2-116*
All Product Literature: Electric Unit Heaters