LW outdoor high-voltage SF₆ circuit breaker is a new outdoor high-pressure circuit breaker with SF₆ gas as insulation and arc extinguishing medium. This product has significant advantages such as simple structure, arc extinguishing and insulation performance, small operating power, long life and long maintenance cycle. In addition to achieving local manual control operations, it can also achieve long-distance control and automatic reassignment operations. It is suitable for applicable to the operation. It is suitable for the operation. The small and medium-sized substation is used as a control and protection; the boxer of this product is made of stainless steel and installed high pressure leakage device. With a manual atresia device, it can effectively prevent misunderstanding when power outage. It is suitable for protection and control in the power distribution system of substation and industrial and mining enterprises, and more suitable for rural power grids and frequent operations, especially for the needs of the transformation of urban networks and agricultural networks.