MAX series Environmental Protection/SF6 gas insulated switchgear (C-GIS) is a new generation of switch products with independent intellectual property rights independently developed by the company, which uses micro positive pressure N2 or SF6 gas as the insulation medium, with vacuum circuit breaker and three-position switch as the main primary components, sealed in the inflatable compartment, the air chamber is welded and formed with 3mm thick high-quality stainless steel plate, which is not affected by the environment. It has green environmental protection and reliable operation, ensure safety, compact structure design, small footprint, maintenance-free, long life, and strong environmental adaptability. MAX series switchgear is a complete set of power distribution equipment for 12kV three-phase AC 50Hz single bus and single bus Section system. It is mainly used for power generation companies, small and medium-sized generators, power distribution of industrial and mining enterprises, power reception and transmission of power system substations, and large high-voltage motor starting, etc., to implement control, protection and monitoring.