Safety switch fusible for use with class h k r t fuse general duty 30 amps ac voltage 240vac 3 phase 7-1/2 hp @ 240 vac hp 1 nema enclosure type 20 ip rating metallic / non-metallic metallic material of construction steel number of wires 4 number of poles 3 contact form 3pst height 9.2 in. Width 7.2 in. Depth 3.6 in. Standards ul listed
