Portable Heater, Overall Height 38 9/16 in, Overall Depth 26 1/4 in, NEMA Plug Configuration Hardwired, Voltage 480V AC, 3 Phase, Wattage Output 30kW, Air Temp. Rise 142 Degrees F, Amperage 36.1A, Frequency 60 Hz, Heating Capacity 102,360 BtuH, Heating Method Fan Forced, Number of Heat Settings 1, Non-Oscillating, Thermal Overheat Protection Automatic Reset, Thermostat Included Unit-Mounted, Indoor Only, Housing Color Black, Orange, Housing Finish Powder Coated, Overall Width 25 in