... product is suitable for indoor AC 50Hz, rated voltage 3KV (3.6KV), 6KV (7.2KV), 10KV (12KV) 40.5 system High Voltage Fuses XRNTJ This ... product is suitable for indoor AC 50Hz, rated voltage 3KV (3.6KV), 6KV ... 40.5 system, and can be protected with other electrical appliances (such as load switch, vacuum contactor) with the use, as a high ...