The 594. 0257 is a European bottle Diazed D type (E16) 12.5 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 fuse link has a yellow gauge colour and is rated for a voltage of 500 VAC or less. It has a breaking capacity of 50 kA and a rated current of 25 A.