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VSY1-12 Mounted Vacuum Circuit Current Breaker VCB

The VSY1-12 Mounted Vacuum Circuit Current Breaker is designed for 12kV systems with a rated current up to 2000A and breaking capacity of 31.5kA. This VSY1-12 Mounted Vacuum Circuit Current Breaker operates reliably in temperatures from -15°C to +40°C and altitudes up to 1000m, with optional insulation for higher elevations. It withstands high humidity and seismic activity up to intensity 8. Featuring fast operation and spring energy storage mechanism, the VSY1-12 Mounted Vacuum Circuit Current Breaker ensures safe performance with minimal maintenance in stable, non-hazardous environments.

    Type Designation

    Brand: MINGRI
    Product Name: Three-Position Vacuum Circuit Breaker
    Model: VSY1-12
    Rated Voltage: 12kV
    Rated Current: 630A
    Peak Withstand Current: 20KA
    Energy Storage Time: ≤15S
    Operating Temperature: -10℃ - 40℃

    Normal use environment

    Suitable for ambient temperatures from -15°C to +40°C and altitudes up to 1000m (with adjustable insulation for higher elevations). Withstands high humidity (95% daily, 90% monthly averages) and seismic activity up to intensity 8. Designed for use in environments free from explosion, severe pollution, chemical corrosion, and excessive vibration.

    Technical Parameters

    No. Item Unit Value
    1 Rated Voltage kV 40.5
    2 Rated Current A 125,016,002,000
    3 Rated Short-Circuit Breaking Current kA 31.5
    4 Rated Peak Withstand Current kA 80
    5 Rated Short-Time Withstand Current kA 31.5
    6 Rated Short-Circuit Making Current kA 80
    7 Rated Single Capacitor Bank Breaking Current A 630
    8 Rated Back-to-Back Capacitor Bank Breaking Current A 400
    9 Rated Short-Circuit Current Breaking Operations time 20
    10 Rated Operating Sequence O-0.3s-CO-180s-CO
    11 Rated Lightning Impulse Withstand Voltage (Peak) kV 185
    12 Rated Short-Time Power-Frequency Withstand Voltage (1min) kV 95
    13 Closing time ms 65±15
    14 Opening time ms 40±15
    15 Mechanical Life time 10000
    16 Rated Voltage of Energy Storage Motor V AC220;DC220,110
    17 Energy Storage Time s ≤15
    18 Rated Voltage of Closing Solenoid V AC220;DC220,110
    19 Rated Voltage of Opening Solenoid V AC220;DC220,110
    20 Rated Current of Auxiliary Switch A AC10,DC5

     product Display

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    Outline and Installation Dimension

    VSY1-12-3