Infrared Contactor Enclosure Mounting Type Wall Voltage 480V AC 1 or 3 Phase For Use With All Fostoria Electric Infrared Heaters Includes 50-Amp Contactor(s) Door lock NEMA 1 Enclosure Amperage 200 A Frequency 60 Hz Overall HxWxD 30 in x 24 in x 6 3/4 in