VSG-12 2000A Current Handcart Type Vacuum Circuit Breaker With Fixed Pole
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VSG-12 2000A Current Handcart Type Vacuum Circuit Breaker With Fixed Pole
VSG type indoor high-voltage vacuum circuit breaker is suitable for switching various loads of different natures and frequent operations in power systems with three-phase AC 50Hz and rated voltage of 7.2kV-40.5kV. It can be used in industries, mining, enterprises, and power plants. And for the protection and control of electrical equipment in substations. It can be equipped with KYN28A and other mid-mounted handcart switch cabinets, and can also be equipped with XGN fixed switch cabinets. The VSG indoor high-voltage vacuum circuit breaker complies with the national standards GB1984 “AC High-voltage Circuit Breaker”, JB/T3855 “3.6~40.5kV Indoor AC High-voltage Vacuum Circuit Breaker” and IEC60056 “High-Voltage AC Circuit Breaker” standards.
VCB Features:
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- VSG Spring Operating Mechanism: Ensures fast and reliable switching operations with minimal maintenance.
- Handcart Design: Provides flexibility and ease of installation, maintenance, and replacement.
- Embedded Pole Technology: Enhances dielectric strength and reliability, reducing maintenance needs and increasing lifespan.
- Compact and Robust: Designed for space-saving installations without compromising performance and safety.
Applying Ambient Conditions:
1.Ambient temperature -25℃– +40℃
2.The height above sea level: ≤1000 m
3.Relative humidity: the average humidity of a day should be no more than 95%; the average humidity of a month should be no more than 90%.
4.Saturated vapor pressure: the average pressure of a day should be no mare than 2.2kPa; the average pressure of a month should be no more than1.8KPa.
5.Earthquake intensity: not exceed 8 degrees
6.It should be Installed in the places without fire, explosion, serious filth, and chemical erosion and violent vibration. -
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VSG-12 2000A Current Handcart Type Vacuum Circuit Breaker With Fixed Pole
No.ItemUnitData1Rated voltagekV122Rated frequencyHz503Rated insulation level1min power frequency withstand voltagekV42Rated lightning impulse withstand voltagekV754Rated currentA630/1000/1250/1600/2000/2500/3150/40005Rated short circuit breaking currentRated short-time withstand current (virtual value)
kA20/25/31.5/40/506Rated short circuit making current (peak value)Rated dynamic current(peak value)kA50/63/80/100/1257Rated short-circuit breaking current breaking timetimes30, 508Rated thermal stability times49Rated operation sequenceO-0. 3s-CO-180s-CO10Mechanical lifetimes3000011Rated breaking current of single capacitor bankA63012The breaking current of single rated capacitance bankA40013The breaking current of rated back to back capacitance banks4Overall dimensions