This series of product is developed for the requirement of urban power grids reform and building, playing the role of breaking the load current and short-circuit current, as well as closing short-circuit current in the power supply system. It is suitable for distribution system of indoor three-phase AC 50Hz, rated working voltage 3.6-12kV and main busbar rated current up to 630A.
The product is designed to be modular type, with high degree of generality and standardization, convenient to assembly. It can be equipped with vacuum load switch or compressed air type load switch, to realize electric and manual operation, with complete mechanical and electrical "five prevention" interlock function. With compact structure and small size, the product is the one of the preferred selection of compact power distribution equipment in urban network.