... voltage Fuse 1.Rated voltage:6kV 7.2kV 12kV 24kV 40.5kV 2.IEC Standard,ANSI. 3.ISO9001:2000 ... Fuse 1.Rated voltage:6kV 7.2kV 12kV 24kV 40.5kV 2.IEC Standard,ANSI 3.ISO9001: ... 50HZ2. Rated voltage of .6Kv,7.2KV,12KV,24KV,40.5KV:3. Used together with other switch facilities ... or circuit break5. Necessary accessory for high-voltage switch box,circular circuitcabnet, high/low voltage top-loading transformer ...