Portable Electric Salamander Heater, Overall Height 25 in, Overall Depth 46 in, NEMA Plug Configuration Hardwired, Voltage 440/480V AC, 3 Phase, Wattage Output 24kW/48kW/60kW, Air Temp. Rise 100 Degrees F, Amperage 75A, Frequency 60 Hz, Heating Capacity 81,864 BtuH, 163,728 BtuH, 204,700 BtuH, Heating Method Convection, Fan Forced, Number of Heat Settings 3, Non-Oscillating, Thermal Overheat Protection Automatic Reset, Thermostat Included Unit-Mounted, Indoor Only, Housing Color White