Electric Ceiling Panel Heater, Overall Length 23 3/4 in, Overall Width 23 3/4 in, Overall Depth 7 in, Overall Height 7 in, 1 or 3 Phase, Voltage 240V AC, Wattage Output 2500W/3800W/5000W, Housing Color White, Heating Method Fan Forced, Heating Capacity 8500/13,000/17,100 BtuH, Mounting Type Recessed, Thermostat Included No, Air Flow 300 cfm, Air Temp. Rise 42 Degrees F, Amperage 20.8A/15.8A/10.4A, Frequency 60 Hz, Control Type Thermostat, Heater Mounting Position Vertical Burn