FZN25-12 / 630-20 FZN25-12D / 630-20 FZN25-12R / 630-20 FZRN25-12D / T125-31.5 FZN25-12RD / 125-31.5 FZN25-12RD / 100-31.5 FZN25-12 high voltage vacuum load switch is three-phase AC 50Hz, rated voltage of 12kV indoor devices for industrial and mining enterprises, power distribution substations and reach of occasions, as the protection and control of electrical facilities for the division and load current, loop current, no-load transformer and cable charging current. FZN25-12 high voltage vacuum load switch with manual and electric motor operating mechanism to facilitate remote control three power system requirements. FZN25-12DR high voltage vacuum load switch - fuse combinations are three-phase AC 50Hz, rated voltage of 12kV indoor devices for industrial and mining enterprises, power distribution substations and reach of occasions, for load control and short circuit protection purposes. Equipped with the grounding switch that can withstand short-circuit current. The operating mechanism can be manual and electric, to facilitate remote control three power system requirements. FN25-12D, FZRN25-12D load switch and the combination of electric three-phase power supply ring network city distribution and industrial equipment for load control and short circuit protection. Since the protective effect of the combination of electrical transformers and other electrical equipment to be more reliable than circuit breakers, more economical, especially for the ring, double radiation power supply unit and box-type substation. 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.