It can be used inindoor system of 50HZ and rated voltage of 3.6KV, 7.2KV, 12KV, 24KV, 40.5KV:Used together with other switch facilities such as loading swithes, vacuum contactors,it can protecti electric transformers and other electric facilities against overloading or circuit break. It is also a necessary accessory for high-voltage switch box,circular circuitcabinet, high / Low voltage top-loading transformer substation.
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