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China ZW32-12G Outdoor High Voltage Vacuum Circuit Breaker Supplier - Reliable Factory for 12kV Systems
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ZW32-12G Series outdoor high voltage vacuum circuit breaker (plateau).jpg

China ZW32-12G Outdoor High Voltage Vacuum Circuit Breaker Supplier - Reliable Factory for 12kV Systems

The ZW32-12G Series is a high-performance outdoor vacuum circuit breaker designed for 12kV, 50Hz electrical systems. Constructed by a leading factory in China, this reliable circuit breaker is rated for operation at altitudes up to 3000m and is capable of handling load, overload, and short-circuit currents. Engineered for frequent usage, it features auto-reclosing capabilities and supports remote three control functions through an advanced controller. With its robust design, the ZW32-12G withstands extreme environmental conditions, including severe cold, strong winds, ice, and class IV pollution. As one of the top suppliers in the industry, we ensure that our products meet the highest standards of quality and durability
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    Product Details

    Technical specification

    Item Units Parameters
    Rated voltage KV 12
    Rated insulation level 1min power frequency withstand voltage Dry KV To earth, phase to phase 48 Fracture 48
    Wet 34
    Lightning impulse withstand voltage (peak)   To earth, phase to phase 85 Fracture 85
    Rated frequency Hz 50
    Rated current A 630
    Rated short-circuit breaking current KA 12.5/16/20
    Rated short-circuit closed current(peak) KA 50
    Rated peak withstand current KA 50
    Rated short-time withstand current(4s) KA 20
    Rated operating sequence   O-0.3s-CO-180s-CO
    Switch on/opening time ms 25-50/15-50
    Rated short-circuit breaking current breaking times Times 30
    Mechanism life Times 10000
    The control circuit and auxillary circuit 1 min power frequency withstand voltage v 2000
    Rated operating voitage and auxiliary circuit rated voltage v DC220/AC220
    Over-current tripper Rated current a 5
    Tripping current precision % ±10

    Product Model

    Product Model Structure

    Dimension

    Product Dimensions Diagram
    Frequently Asked Questions
    What is the rated voltage of this equipment?
    The equipment is designed for a rated voltage of 12KV, making it suitable for medium-voltage power distribution systems.
    What is the mechanical lifespan of the mechanism?
    The mechanism is built for high durability with a rated life of up to 10,000 operations under standard conditions.
    Does the control circuit support both AC and DC power?
    Yes, the rated operating voltage for the auxiliary and control circuits is compatible with both DC220V and AC220V.
    What is the lightning impulse withstand voltage?
    The unit provides robust protection with a peak lightning impulse withstand voltage of 85KV (to earth and phase to phase).
    What are the options for rated short-circuit breaking current?
    The product is available in three configurations for short-circuit breaking current: 12.5KA, 16KA, and 20KA.
    What is the rated short-time withstand current duration?
    The device can withstand a rated short-time current of 20KA for a duration of 4 seconds.