IEC Fuse 63 A 500V AC Not Rated Class D D33 Series Color Code Copper Nonindicating Time Delay Body Style Cylindrical Nonrejection Interrupt Rating 50kA at 500V AC Fuse Size 2 in L x 1-1/16 in dia Length 2 in Diameter 1 1/16 in Equivalent Brand and Series Bussmann D33 Siemens 5SB4 Equivalent Series 5SB4 D33 Class D Fuse Size DIII IEC Operating Fuse Class gG gL Cap Diameter 25/32 in Ceramic Body Material Element Dual Standards DIN 49536 IEC 60269