Features of HEX5-480360-25.0 Modine Explosion Proof Electric Unit Heater

The Modine HEX Series Explosion Proof Electric Unit Heater is designed for locations where the possibility of explosion or fire exists due to the presence of flammable gases, vapors, or dusts.

• 480 Volt, 3 Phase, 25 KW
• Epoxy coated 14 gauge steel cabinet.
• Adjustable extruded aluminum louvers.
• Liquid to air finned tube heat exchanger core.
• Ethylene Glycol and water solution is used as the heat transfer fluid, providing freeze protection.
• Pressure relief valve provides over-pressure protection.
• Heaters are UL Listed for Class I, Divisions 1 & 2, Groups C and D, and 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.
• Low watt density metal sheathed immersion type heating elements in the liquid filled lower tank.
• The core is easily removable through the bottom of the heater for ease of service.
• Automatic reset, bimetal, high-limit provides over temperature protection and is rated for 100,000 cycles of service.
• NEMA Type 7 & 9 enclosures with large, heavy-duty aluminum data plate houses the built-in control transformer, convenient terminals for 120V room thermostat wiring connection, load carrying contactor with severe duty coil, and fuse protection for contactor coil, including a spare fuse in a convenient holder.
• Narrow gap two-piece safety fan guard shields all moving parts.
• Heavy gauge embossed fan blades.
• Thermally protected, automatic reset explosion-proof motor.
• Transformers are factory installed on all HEX5 models with the primary voltage being the same as the heater voltage and the secondary being 120V grounded circuit.