VSG-12 1250A VCB Trolley Insulation Cylinder Vacuum Circuit Breaker

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:

• • 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.