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WSB de-energized plate tap changer

De-energized plate tap changer all excellent

WSB de-energized plate tap changer

It adopts new structure, new material and new process, and has the advantages of reasonable structure, strong hand feel, flexible rotation, accurate position and good sealing performance. It is suitable for three-phase and single-phase oil-immersed power transformers with frequencies of 50 and 60Hz, the highest voltage of 12kV, 24kV, 40.5kV, and rated current of 30-63A.:

    Model Meaning



    1. Its design is compact, small in size, easy to install, and occupies little transformer space. 
    2. When adjusting the gear, the rotation is flexible, the feel is strong, the position is accurate, and the operating torque is small.

    Model Specification

    Connecting method Central voltage regulation
    Rated current 30A、63A
    Rated voltage 10kV、20 kV、35kV

    The WSB de-energized plate tap-changer features a state-of-the-art design that eliminates the need for costly and time-consuming maintenance while providing continuous and reliable operation. This advanced technology enables seamless, precise voltage regulation, ensuring optimal power supply and distribution for a variety of applications.

    WSB tap changers feature rugged construction and cutting-edge components to withstand harsh industrial environments, providing long-lasting performance and durability. Its compact size and modular design allow it to be easily integrated into existing electrical systems, minimizing installation time and costs.

    The tap-changer is specifically designed to operate when the transformer is de-energized, thus eliminating the risk of accidental contact with live parts during maintenance or repairs. This innovative feature improves operator and maintenance personnel safety, reduces the potential for electrical accidents, and ensures compliance with industry regulations and standards.

    The WSB non-energized plate tap changer is suitable for a variety of transformer types and sizes, making it an ideal solution for utilities, industrial facilities and commercial buildings. Its versatility and adaptability make it suitable for new installations and retrofits of existing distribution systems, providing a cost-effective solution for enhancing grid performance.

    In summary, the WSB de-energized plate tap-changer sets new standards for efficiency, reliability and safety in power distribution. Its advanced features, rugged construction and ease of integration make it an indispensable tool for optimizing power supply and distribution in a variety of applications. Experience the benefits of this cutting-edge technology and take your power distribution system to the next level with WSB de-energized plate tap-changers.

    Voltage Regulation Principle




    Type Rated current A Rated voltage kV ΦD;  Φd  Frequency withstand level(kv/1min)
    To ground Between phase Between contacts
    WSBⅡ30~63/10~20-8×7 30~63 10 30A: D=6mm,d=4.3mm;63A:D=7mm,d=5.1mm 42 42 18
    20 55 55 20

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