Electric Infrared Heater Panel Emitter Overall Length 29 in Overall Width 12 in Overall Depth 6 in Voltage 208V AC Wattage Output 4 300 W For Use With CH-620-3A CH-620-3C Mfr No MR-620-3 Amperage 11.9A/20.7A 1 or 3 Phase Material Black Quartz Cloth Cement Bond Refractory Board and Resistance Wire Steel Frame Includes Element Panel Assembly Heater Housing Guard Mounting Hardware Manufacturers Warranty Length 1 yr Standards ETL US Canada