Single phase, 2-pole, 3-wire, 2 blades and fuseholders, factory installed solid neutral, 120/240 vac. with metallic enclosure for indoor use. designed to open or close an electrical circuit in general duty applications. rated 1-1/2 hp. for residential or commercial applications. for pk3gta-1 field installable service ground bar kit. with plug type fuse protection. lugs suitable for aluminum or copper conductors. spring reinforced plated copper fuse clips. ansi certified and ul listed.