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Premium K Type Spring Mechanism for High Voltage Load Switch. SF6 Arc Extinguishing: Utilizes SF6 gas as the arc-extinguishing medium for high voltage load switches. Spring Operating Mechanism: K type spring mechanism ensures reliable electric operation for indoor switches. Three Working Positions: Features closing, opening, and grounding positions for versatile control. Standard Compliance: Complies with GB3804-1990 and GB16926-1997 technical requirements. Customization Available: Supports custom production based on client drawings or design plans. Easy Installation: Moderate size and good applicability make installation straightforward.