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ZN63 (VS1) VCB1

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    ZN63 (VS1) VCB1

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    ZN63 (VS1) VCB1

    ZN63 (VS1)-12 Series Indoor High Voltage Vacuum Circuit Breaker

    The ZN63 (VS1)-12 series is a high-performance 12kV, three-phase AC 50Hz indoor vacuum circuit breaker designed for critical power distribution and protection.

    Key Advantages & Applications

    • Versatile Operation: Supports spring energy storage (AC/DC or manual) and optional long-life permanent magnetic actuators.
    • High Durability: Engineered for frequent operation with a mechanical life reaching up to 60,000 cycles.
    • Industrial Reliability: Ideal for power stations, substations, and industrial/mining enterprises requiring robust load breaking.

    ⚙️ Core Specifications

    Series: ZN63 (VS1)-12

    Type: Indoor High Voltage Vacuum Circuit Breaker

    Rated Voltage: 12kV

    Technical Parameters

    ItemUnitsParameters
    Rated voltageKV12
    Rated FrequencyHZ50
    Rated CurrentA630.1250.1600.2000.3150
    Rated short-circuit breaking currentKA20 25 31.5
    Rated short-circuit closing currentKA50 63 80
    Rated short-circuit durationS4
    Rated operating sequence-0-0.3s-CO-180s-CO
    Mechanical lifeTimes20000
    Rated Storage/Op VoltageVAC DC 220/110
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