PQ4603G Busway Fusible Plug; Fuse Type Class J/H; Voltage Rating 347/600 Volt AC; Current Rating 30 Amp; Interrupting Rating 200 Kiloamp; Number of Poles 4; Circuit Configuration 3 Phase 3 Wire; Ground Type Integral; Neutral Type No; Enclosure Material Aluminum; Approval UL 857, CSA C22.2; Used On I-Line II Busway