Good insulation performance: SF6 gas insulation is used, which has strong insulation performance. Five-protection interlocking: High-reliability interlocking device realizes the "five-protection" locking function to meet safety needs. Save investment: small size, small footprint, saving capital investment costs. Modular design: Modular assembly structure, can be combined and expanded with different functional units according to customer needs. Intelligent monitoring: Provides an intelligent power distribution system with supporting protection, remote control, monitoring, intelligent fault handling and other functions, and integrated debugging in the factory. Three-remote design: The operating mechanism can be manual and electric, which is convenient for realizing the "three-remote" requirements of the power system.