Technical Specifications Article Fusible semiconductor Amperios 40A Voltage Classification of CA 500 V CA DC Voltage Classification of CC 500 V CC Series FWH-A Non indicative Visual Indication Speed Fast-acting Type of body packed It adapts to the style of fuses block. No rejection Interruption rating 200 kA to 500 V CA, 50 kA to 500 V CC Fuse size 3-3/16 inches long x 13/16 inches diameter Length 3 3/16 inches Diameter 13/16 inches Brand and equivalent series A50QS, Bussmann FWH, Littelfuse L50S, Mersen A50P equivalent series A50P, A50QS, FWH, L50