描述：OHX  Explosion-Proof Unit HeaterFeaturesColor• Standard: red.Finish• Standard: epoxy/polyester powder paint.Voltage• 208V, 240V, 480V, 600V, 1 or 3-phase.Construction• 14-gauge steel cabinet.• Adjustable anodized aluminum louvers.• Cast aluminum control and element enclosure lids NEMA Type 7 and 9 with O-ring. • Fan Guard: multiple horizontal stiffening wires. Protection• High temperature pressure relief device.• Two high-limit temperature controls: one with automatic reset and one with manual reset.Fan• Explosion-proof, thermally protected, permanently lubricated ball bearing motor.• 3 to 20kW: 1/4 HP, 1725 rpm.• 25 to 35kW: 1/2 HP, 1725 rpm.Temperature code• Division System: 5 to 30kW = T3B 165 °C (329 °F), 3kW/35kW = T3A 180 °C (356 °F).• Zone System T3 200 °C (392 °F).Heat exchanger• High grade metal-sheathed elements fins with ethylene glycol/water solution.• Long-life, low watt density.• Evacuated and sealed, carbon steel tube core with 10 aluminum fins per inch.Control• 120VAC control (standard).• Optional 24VAC control (recommended due to safer voltage).• Optional built-in or wall thermostat.• Optional built-in or wall disconnect switch.Additional Options• Pilot light.• Continuous fan.• Heresite coatings.Installation• Accessories available.Warranty• 3-year warranty against defects.Application• Paint room, petrochemical plant, refinery, chemical plant, mining industry, sawmill.