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Cage type Off-circuit Tap Changer
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  • WSL & WDL OCTC
  • Main Technical Data
  • Application
    Oil immersed power, rectification,
    furnace and traction transformers
    Phase
    Three-phase WSL
    Single-phase WDL
    Max. rated through current
    2000A
    4800A
    Highest voltage for equipment Um
    170kV
    252kV
    Connection
    reversing, linear, single bridging, star-
    delta, double bridging, series- parallel
    Max. operating positions
    11: 800A and below
    9: 800A above
    11: 1600A and below
    5: 1600A above
    Driving mode
    Hand wheel operate on the top
    Manual drive unit on side
    Motor drive unit on side
    Remark:
    For 170kV and above, only connection models of reversing, linear,
    single bridging, double bridging are available.

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