COOPER BUSSMANN HM60400-1CR Fuse Block, 225 to 400 Amps, 600MaxVolt, 1P. More details: Fuse Block, Amps AC 225 to 400, Max. Voltage 600, Number of Poles 1, Connector Type Box Lug, Mounting Style 4 Hole Panel Mount, Fuse Block Design Barrier, Wire Size 600kcmil to 4 AWG, Blown Fuse Indicator No, Fuse Length 11-3/5 In., Fuse Dia. 2-3/5 In., Length 12-1/2 In., Width 3-3/5 In., Depth 4-1/5 In., Class H, For Use With NOS, Standards UL, CSA