In Door High Voltage Isolated Vacuum Load Switches/In Door High Voltage Isolated Vacuum Load Switche

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Detailed Description

FZN25-12D/T630-20 series of in door H.V isolated vacuum load switches suit for the electric line which has the rated voltage of 12kV and three-phase AC of 50Hz. It suits for controlling and protecting electric equipment of power house and transformer substation .etc systems. It is used for opening and closing over-load current、closed-loop current、no-load transformer and cable-charging current. It matches with electric and manual operation mechanism, and achieves the standard of “three-control”. FZRN25-12D/T12531.5 series of in door H.V isolated vacuum load switches and current-limiting fuse combination suits for the electric line which has the rated voltage of 12kV and three-phase AC of 50Hz. It suits for power house and transformer substation .etc systems. It is used for controlling over-load current and protecting short circuit. It matches with earthing switches and electric and manual operation mechanism, and achieves the standard of “three-control”. FZN25-12D、FZRN25-12D series of in door H.V isolated vacuum load switches and current-limiting fuse combination can be used in three-phase loop network or terminal power supply city transformer substation and industrial electric power consumption equipment. It is used for controlling over-load current and protecting short circuit. The protection of combination is more dependable and economical than current breakers for transformer. It especially suits for loop network, double radiation power supply and trunk transformer.

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Shanghai Heshi Electric Power LTD

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