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HV Circuit-Breaker
HV Disconnector
Compact Switchgear
Up to 252kV
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  • Disconnect GW4B
  • Main Technical Data
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    Items
    GW4B-40.5
    GW4B-126
    GW4B-252
    Application
    Outdoor      
    Rated voltage (kV)
    40.5kV
    126kV
    252kV
    Rated current (A)
    630/1250/2000
    630/1250/2000
    1250/2500
    Rated frequency (Hz)
    50                           50                           50
    Rated peak value withstand current(kA)
    50/80/100
    63/80/100
    80/125
    Rated short-time withstand current(kA,3S)
    20/31.5/40
    25/31.5/40
    31.5/50
    Operating method for main system  
    Manual operating or motor driving in three-pole
    Operating method for earthing system 
    Manual operating or motor driving in three-pole

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