High-voltage load break switches and combined electrical appliances, suitable for three-phase AC 10 kv, 50 Hz power systems, or with complete sets of distribution equipment and ring switch cabinets, combined substations and other supporting use, it is widely used in area network reconstruction project, industrial and mining enterprises, high-rise buildings and public facilities, etc. . The high-voltage load break switch has the arc extinguishing device and the certain opening and closing speed, under the closing state, it can pass the normal working current and the prescribed short circuit. The utility model has the advantages of large breaking capacity, safety and reliability, long electric life, frequent operation, compact structure, small volume, light weight, basic no maintenance and the like.
