4.87 INCH W X 5.25 INCH D X 12 INCH H SIZE; 50/60 HZ FREQUENCY RATING; 1 PHASE(S); UL 506, CUL APPROVAL; INDOOR/OUTDOOR APPLICATION; WALL MOUNTING; NEMA 3R ENCLOSURE; 18 LB WEIGHT; ENCAPSULATED CONSTRUCTION; 0.5 KVA POWER RATING; 208 V PRIMARY VOLTAGE