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概述 General

    FZN25-12D真空负荷开关和FZN25-12DR组合电器主要用于12kV三相交流50Hz环网或终端供电的市区配电站和工业用设备中,作负荷控制和短路保护用。负荷开磁分合仙、闭环电流、空载变压器和电缆充电电流,组合电器可以开断直至额定短路电流的任何电流。
    采用直动式隔离断口和真空灭弧室联动。具有手动电动功能。
    FZN25、FZRN25独特的传动机构设计,灭弧室仅在关合开断的瞬间承受电压,故尺寸小,价格低。
    FZN25、FZRN25可实现隔离断口和灭弧室断口的一次性操作。
    FZN25、FZRN25在静头与动导电筒之间有接地开关互为联动的接地活门,既保证了安全又方便检修。
    FZN25-12Dvacuum load switch and FZN25-12DR composite apparatus are main for 12kV three-phase AC 502Hz ring main unit,urban distribution station whose power is supplide by terminal and industrial consumer to control load and protect under short circuit.Breaking and closing ring closure current of load switch,charging current of non-load transformer and cable,composite apparatus can break till any current of rated short circuit current.
     The linkage of direet acting isolation clearance and vacuum rac exting uishing chamber is adopted. It has the unction of hand operation and clectric operation.
     FZN25 and FZRN25 series possess special design of driving mechanism,the are exting uishing chamber only can bear voltage during the instant of breaking and closing, so its size is very small,and the price is quite inexpensive.
     FZN25 and FZRN25 series can realize one off operation of isolation clearance and are extinguishing chamber clearance.
     FZN25 and FZRN25 series has mutual-linkage grounding valve of grounding swith between static contact and moving electric torch,so it can make sure safety and convenient maintenance.

 

 

 

 

 

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