Description

High technical parameters;
　　Small size, light weight;
　　Install quickly and easily;
　　Simple, safe, can be maintenance-free;
　　High technical and economic indicators.
　　Scope:
　　AC *0Hz, *2kV ring network and the radiant power grid as the acceptance (line) and distribution (feeder) purposes. May be closing and breaking the load current. Can also be used long-term breaking load current, no-load transformers, capacitors and so on. Installation of current-limiting fuses and trip linkage institutions of the load switch - fuse combinations can be breaking the larger overcurrent and short circuit current.
　　Applications:
　　Urban residential distribution, box-type substation, various types of secondary power distribution stations, opening and closing the load switch and so require a higher place.
　　Use of environmental conditions:
　　a, elevation of not more than ***0m;
　　b, ambient air temperature: maximum temperature **0 ℃, minimum temperature **5 ℃;
　　c, Relative humidity: daily average of not more than *5%, on average less than *0%;
　　d, the ambient air from corrosive gases or flammable gases, water vapor and other pollution significantly affected;
　　e, no recurrent severe shock.