H.V. HRC Current-limiting Fuses Type A(B) is designed for protection of transformers of other power equipments working under a operation voltage of 3.6~36KV, 50Hz, and with a rated current of 50,100,125A from overloading or short-circuit. lt can also be used with loading switch, vacuum contact. It conforms to IEC282-1,GB15166.2 and BS standard.