The KAX series eco-friendly/SF₆ gas-insulated switchgear (C-GIS) is a new generation of switchgear products independently developed by KunFeng Company with proprietary intellectual property rights. Internally, it uses slightly positive-pressure nitrogen (N₂) or SF₆ gas as the insulating medium, with vacuum circuit breakers and three-position switches as the main primary components. These components are hermetically sealed in gas-filled compartments, which are welded from 3mm-thick high-quality stainless steel plates, ensuring immunity to environmental influences. The product features green environmental protection, reliable operation, safety assurance, compact structural design, small space occupation, maintenance-free performance, long service life, and strong environmental adaptability.