Isolation switch configuration 1, both sides of the circuit breaker isolation switch should be configured so as to form a clear fracture and power isolation in the circuit breaker maintenance. 2, neutral grounding transformer Chengdu plain isolating switch shall be grounded by isolating switch. 3, on the bus and voltage transformers Chongqing arrester disconnector, should share a set of isolation switch, ensure electrical safety and bus maintenance isolation switch, each should be installed on the bus grounding switch set 1-2. 4, connected to the transformer neutral point lead or arrester installed without disconnecting switch. 5, when the side of the feeder line of the user is no power, leading to the user that the circuit breaker can not be installed side isolation switch. However, in order to prevent over-voltage lightning can also be installed. Xian Huayi power plant is the backbone enterprises of high voltage electrical equipment, high-voltage electrical equipment in the production of over twenty years, with strong technical force, and there is a variety of good manufacturing test equipment, with the design and manufacture of power products and experienced . You are welcome to buy them! Thank you for your attention! Jiangmen disconnectors, Huayi Electric Power (certified), isolating switch is provided by Xian Huayi power plant. Xian Huayi power plant (www.xahy.com) is a leader in Xi'an, high voltage circuit breakers, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Huayi power in leadership with the staff warmly welcome all inquiries negotiations to create electricity Huayi a better future.