GW1-10/15/20 KV series of outdoor high voltage isolating switch is applicable to three-phase ac 50 hz, rated voltage 10 KV / 15 KV / 20 KV outdoor high voltage electrical equipment.For high voltage line without load exchange, as well as to be maintenance of electrical equipment such as high voltage bus, circuit breaker with charged electrical isolation of high voltage line.Also can be divided into small capacitance and inductance current. GW1-10/15/20 KV series of outdoor high voltage isolator is aiming at some problems of the original GW1 type and combined with the latest requirements of users to design, its design is simple and reasonable structure, copper and aluminum alloy fittings, stainless steel fasteners and hot dip galvanized base, has a good anti-fouling and corrosion resistant ability, reliable performance, light weight, easy installation, no need for periodic cleaning and maintenance, is the urban and rural areas of 10 to 20 KV distribution line segment, branch and maintenance period of breaking point of a clear and convenient outdoor high voltage electrical equipment.