FZN21-12 / 630-20 FZN21-12D / 630-20 FZN21-12R / 630-20 FZRN21-12D / T125-31.5 FZN21-12RD / 125-31.5 FZN21-12RD / 100-31.5 FZN21-12 high voltage vacuum load switch and combinations, for three-phase AC 10kV, 50Hz power system, or in and supporting the use of power distribution equipment and switchgear ring network days, modular substation, etc., can be used as ring network power supply unit or a terminal device, energy plays distribution, control and protection. FZN21-12 high voltage vacuum load switch technology performance meets the IEC publication 60265-1 / FDIS "high voltage switches, Part 1: The rated voltage above 1kV 52kV below the voltage load switch", IEC60420 "high voltage AC load switch - fuse combinations "and CB16926" AC high voltage load switch - fuse combination electric group ", GB3804" 3-63kV AC high voltage load switch "requirement. FZN21-12 high voltage vacuum load switch with breaking capacity, safety and reliability, long life, frequent operation, compact structure, small size, light weight, basically without maintenance. Having a breaking rated current, overload current (FZRN21-12D / T125-31.5 can short-circuit breaking current) and the ability to prevent the device missing running, the switch has visible isolation fracture, equipped with a closing capacity grounding switch and electric spring institutions can remote remote control. The Company's solemn commitment, if customers are not satisfied, we will serve in the end. We have confidence in our products, quality bags with one year (including use, return, replacement) manufactured products are used export waterproof wooden box, the box with a perfect factory descriptions and product information. Products factory have all been carefully debugging experiment, users can be assured.