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WDT de-energized, single-phase, linear tap changer. Opening dimensions Φ43

De-energized linear tap changer

WDT de-energized, single-phase, linear tap changer. Opening dimensions Φ43

Suitable for triple-phase oil-insulated transformers with frequencies of 50Hz and 60Hz, the tap changer is designed to work with transformers rated at a maximum voltage of 10kV and 24kV. It has a rated through-current of 30A and 63A. The tap changer can be easily fixed on the transformer tank cover and replaced when the transformer is not energized.

    Model Meaning

    xqx41

    Advantages

    1. The tap changer is designed with a compact and reasonable structure, making it suitable for installations with limited space.
    2. The tap changer is designed with a flexible gear shifting mechanism, allowing for precise positioning and effortless adaptation to various needs, ensuring efficient control.
    3. The tap changer is equipped with a low contact resistance, which plays a crucial role in maintaining the stability and efficiency of the circuit.
    4. The tap changer is produced in a standardized manner, allowing for customization based on specific requirements. It offers cost savings while maintaining the same level of quality.

    Technical Data

    Phases Single
    Highest voltage for equipment 10kV、35kV
    Rated through-current 63A、250A
    Voltage regulation 0.025
    Tap positions 3~7

    Voltage Regulation Principle

    xq2enf

    Outline

    xq3mse

    No. Model No. Regulating position  Install dimension  mm
    L L1 L2 L3 L4 L5 H H1
    1 WDTⅡ63/10-4×3 Central 270 147 113 64 99 24 100 78
    2 WDTⅡ125/10-4×3 290 163 118 67 107 29 100 78
    3 WDTⅡ250/10-4×3 290 163 118 67 112 29 102 78
    4 WDTⅡ63/35-4×3 338 215 114 64 103 24 120 98
    5 WDTⅡ125/35-4×3 380 228 128 67 107 34 120 98
    6 WDTⅡ250/35-4×3 380 228 128 67 112 34 122 98
    7 WDTⅡ63/10-6×5 366 195 161 64 99 24 100 78
    8 WDTⅡ125/10-6×5 405 221 175 67 107 29 100 78
    9 WDTⅡ250/10-6×5 405 221 175 67 112 29 102 78
    10 WDTⅡ63/35-6×5 441 266 166 64 103 24 120 98
    11 WDTⅡ125/35-6×5 516 296 196 67 107 34 120 98
    12 WDTⅡ250/35-6×5 516 296 196 67 112 34 122 98
    13 WDTⅡ63/10-8×7 462 239 209 76 110 24 100 78
    14 WDTⅡ125/10-8×7 528 279 239 78 118 29 100 78
    15 WDTⅡ250/10-8×7 528 279 239 78 123 29 102 78
    16 WDTⅡ63/35-8×7 532 314 209 76 114 24 120 98
    17 WDTⅡ125/35-8×7 588 329 234 78 123 29 120 98
    18 WDTⅡ250/35-8×7 588 329 234 78 128 29 122 98

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