Steel enclosure. 2-pole, 3-wire, 2 blades, 2 class h cartridge fuses (not included), solid neutral, 120/240 vac. rated 1-1/2 to 3 hp single phase, 3 to 7-1/2 hp 3-phase at 240 v only when dual element fuses are used. for residential and commercial applications. suitable for light duty motor circuits and service entrance. for use on systems capable of delivering up to 10,000 rms, symmetrical fault current. bolt on hub provided. ds100gk ground kit sold separately. 6-1/6 in x 7-1/2 in x 6-3/4 in. ul listed file no.e5239; meets ul98 for enclosed switches and nema standard ks1.