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Internal high voltage disconnector type GN19-12C

Внутренний высоковольтный разъединитель типа GN19-12C

Internal high voltage disconnector type GN19-12C

The indoor high voltage isolation switch type GN19-12C is the key primary equipment in the 12KV 50Hz AC three-phase distribution system. It is mainly used to safely disconnect or connect a circuit when there is voltage but no load...

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Description

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The indoor high voltage isolation switch type GN19-12C is the key primary equipment in the 12KV 50Hz AC three-phase distribution system. It is primarily used to safely disconnect or connect a circuit when voltage is present but no load is present, providing reliable electrical insulation for high voltage distribution equipment and power supply.

The product is made in a single-phase design with a rotating blade contact and consists of a base, a support insulator, a conductive blade contact and a fixed contact. The "C" in the model usually denotes through-wall bushing design: the fixed contact can be installed directly on the through-wall bushing, making this switch particularly suitable for installation in substations and distribution cabinets as busbar insulators or through-wall connecting elements, effectively saving installation space.

During operation, the main shaft is driven by a control mechanism, which allows the blade contact to rotate in a horizontal plane and perform opening and closing operations. The design provides a clearly visible break point after opening and a reliable isolation distance, providing demonstrable and fundamental safety during subsequent maintenance of the equipment. GN19-12C, with its robust structure, short operating force, good insulating property and installation flexibility, has become a classic insulating device widely used in indoor high-voltage distribution equipment.

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