• 12-40.5kV GCBV-40 Vacuum Circuit Breaker
12-40.5kV GCBV-40 Vacuum Circuit Breaker
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12-40.5kV GCBV-40 Vacuum Circuit Breaker

GCBV-40 vacuum circuit breaker is the perfect combination of advanced casting post technology and stable and reliable modularization operating mechanism, has excellent electrical and mechanical properties, and is used as protection and control switch equipment for transformers, motors, capacitors and other loads as well as distribution lines and suitable for power distribution system such as power plant and substation, urban infrastructure construction, metallurgical and petrochemical plants and mines. The product has a perfect mechanical and electrical interlocking device, ensuring the safety of operator and equipment and the electricity safety.

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  • Product Description
  • GCBV-40 vacuum circuit breaker is the perfect combination of advanced casting post technology and stable and reliable modularization operating mechanism, has excellent electrical and mechanical properties, and is used as protection and control switch equipment for transformers, motors, capacitors and other loads as well as distribution lines and suitable for power distribution system such as power plant and substation, urban infrastructure construction, metallurgical and petrochemical plants and mines. The product has a perfect mechanical and electrical interlocking device, ensuring the safety of operator and equipment and the electricity safety.

     

    Technical Specification

    Parameter Name

    Unit

    Technical Parameter

    Rated Voltage  

    kV

    12

    Power Frequency Withstand Voltage 

    kV

    42kV

    Lightening Impulse Insulation Level

    kVp

    95kV

    Rated Current

    A

    630

    1250

    1600

    2000

    2500

    3150

    4000

    Rated Frequency

    Hz

    50/60

    Rated Short-circuit Breaking Current

    kA

    25/31.5

    31.5/40

    40

    Rated Short-circuit Making Current

    kA

    63/80

    80/100

    100