Fzn25-12 indoor high-voltage load switch is mainly used for FZN25-12D/T630-20 vacuum load switch and FZN25-12F, R combined electrical appliances are mainly used for 10KV three-phase AC 50Hz, ring network or terminal power supply in urban distribution stations and In industrial electrical equipment, it is used for load control and short-circuit protection. Since the protection of transformers and other equipment by combined electrical appliances is more reliable than circuit breakers, it is especially suitable for ring networks, than radiation power supply units and box-type substations.
Applicable environment
FN25-12D/630-20 type AC high-voltage load switch is an indoor device with three-phase AC 50Hz and rated voltage 12kV. It is suitable for industrial and mining, enterprises, power distribution stations and substations, etc., as the protection and control of electrical facilities. Switching load current, closed loop current, no-load transformer and cable charging current. Equipped with manual and motor operating mechanisms, it is convenient to realize the three remote control requirements of the power system. FN25-12D/T12531.5 AC high-voltage vacuum load switch-fuse combination appliance is a three-phase AC 50Hz, rated voltage 12kV indoor device, suitable for load control and in industrial and mining, enterprises, power distribution stations and substations, etc. For short circuit protection. The equipped grounding switch can withstand short-circuit current. The operating mechanism can be manual or electric, which is convenient to realize the three remote control requirements of the power system. FN25-12D, FZRN25-12D type load switches and combined electrical appliances are suitable for three-phase ring network or terminal power supply urban distribution stations and industrial electrical equipment for load control and short circuit protection. Because the protective effect of combined electrical appliances on electrical equipment such as transformers is more reliable and economical than circuit breakers, it is especially suitable for ring network, double-radiating power supply units and box-type substations.
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