·The structure is simple, the cost is the lowest, the overall frame is welded and formed, the manufacturing process is simple, and the procurement cost is the lowest among the three types of cabinets.

　　·High space utilization, spacious interior of the cabinet, easy to install high current switches, transformers, capacitors, suitable for large capacity feeding circuits.

　　·Stable operation, low mechanical failure rate, no drawer pushing mechanism, no drawer interlocking or contact wear issues, and low maintenance workload.

　　·Excellent heat dissipation conditions, unobstructed upper and lower ventilation channels, suitable for capacitor compensation cabinets, large capacity incoming lines, and busbar circuits.

　　·The protection level is easy to achieve IP30/IP40, reliable dust prevention, and suitable for environments such as power plants, substations, outdoor distribution rooms, etc.