Current 등급 = 63A Fuse Size = NH000 Voltage Rating = 690V Application Category = gR The Siemens SITOR fuse Link with bolt-on links , operating current of 63A and 690V supply voltage, has front indicator. It has high breaking capacity of 200kA (AC) and safe tripping is ensured with this fuse element.Operating class of the fuse link: gR