This product is a double-column horizontal rotary disconnector, with external pressure contact finger structure, and is equipped with JW7-126 (W)/J50 grounding switch. This type of product is the largest horizontal break disconnector in China, and is suitable for use as incoming and outgoing disconnectors. Since this type of disconnector does not occupy the upper space after opening, it is easy to form various arrangement modes such as inclined arrangement, high arrangement, single pole installation, etc.