Full Technical Description: 11-13/32 Inch Width X 8-23/32 Inch Depth X 19-13/32 Inch Height Size; 1-1/4 Inch Hub Size; High Impact Fiberglass Reinforced Polyester Enclosure Material; UL, CSA C22.2 Approval; 600 Volt AC at 50/60 Hertz Voltage Rating; NEMA 4X, 3, 12 Enclosure; 60 Amp Current Rating; 15 HP at 200/240 Volt AC, 30 HP at 440/480 Volt AC, 40 HP at 550/600 Volt AC, 10 HP at 250 Volt DC Power Rating; 2 Pole(S); Non-Fusible Fuse Provision; NST Model