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Circuit breakers and disconnectors can both interrupt circuits. Depending on the number of poles, they can operate on single-phase or three-phase circuits.

The pole-mounted switch is a type of safety switch installed on utility poles to ensure electrical safety. Its main function is to isolate the high voltage of the circuit.

In outdoor high-voltage power distribution systems, 40.5KV serves as the core voltage level in the medium-high voltage domain, undertaking critical tasks such as power transmission, equipment maintenance isolation

The 12kV indoor SF₆ load switch is a three-phase AC high-voltage load switch with a rated voltage of 12kV, suitable for indoor installation. It uses SF₆ gas as the insulating and arc-extinguishing medium.