タイトルまたは説明

1. There is a safe primary contact isolation valve. When the handcart moves between the working position and the entry and exit positions, the isolation valve automatically opens or closes, ensuring the safety of live maintenance.

2. Have sufficient electrical insulation strength. The air distance between the phases and the ground in the cabinet is not less than **5mm.

3. The main busbar is arranged in "pin" shape and installed vertically, which reduces the influence of electric power when the circuit is short-circuited.

4. The operation is simple and omitted, and it is equipped with a worm gear and a worm propulsion mechanism.