Portable Electric Salamander Heater Overall Height 20 in Overall Depth 30 in NEMA Plug Configuration Hardwired Voltage 208/240V AC 3 Phase Wattage Output 12kW/18kW Air Temp Rise 100 Degrees F Amperage 34A/50A Frequency 60 Hz Heating Capacity 41 000 BtuH 65 000 BtuH Heating Method Convection Fan Forced Number of Heat Settings 2 Non-Oscillating Thermal Overheat Protection Automatic Reset Thermostat Included Unit-Mounted Indoor Only Housing Color White