The 598. 0637 is a European bottle Diazed D type (E33) 27 x 50 mm fuse link with a utilisation category of gG. It complies with standards such as IEC 241, IEC 269-3, and DIN-VDEO636. The gauge colour is copper. It has a rated voltage of 500 VAC or less and a breaking capacity of 50 kA. The rated current is 63 A.