Gw4-12 Outdoor High Voltage Disconnect Switch Vcb

The outdoor AC High Voltage Disconnect Switch is a critical component in high-voltage transmission and distribution systems, designed to isolate sections of the circuit for maintenance and ensure safety during no-load conditions. Suitable for power systems with rated voltages ranging from 12kV to 252kV, this switch is widely used in substations, transmission lines, and industrial power facilities.

•  Features

  • Variety of Structural Designs: Available in center-break, double-break, and vertical-break configurations to accommodate different installation spaces and operational requirements.

  • Flexible Operation Modes: Options for manual or motorized operation, with some models supporting remote control to meet diverse operational needs.

  • Reliable Mechanical Performance: Engineered for long service life with low operating torque, ensuring stable and dependable performance.

  • Robust Environmental Adaptability: Exhibits excellent weather resistance, suitable for harsh conditions such as high altitudes, high humidity, and heavily polluted areas.

• Technical Specifications:

  • Rated Voltage: 12kV, 24kV, 36kV, 110kV, 220kV, etc.

  • Rated Current: 600A, 1250A, 1600A, 2000A, etc.

  • Power Frequency Withstand Voltage: Compliant with standard requirements for respective voltage levels.

  • Lightning Impulse Withstand Voltage: Meets IEC and GB standards.

• Applications:

  • Isolation of main and sectional busbars in substations.shonccy.en.made-in-china.com

  • Maintenance isolation for high-voltage transmission lines.

  • High-voltage distribution systems within large industrial enterprises.

Operating Environmental Conditions

• Ambient temperature: -15°C to +40°C
• Ambient humidity:
  • Daily average relative humidity ≤ 95%
  • Daily average vapor pressure ≤ 2.2×10^-3 MPa
  • Monthly average relative humidity ≤ 90%
  • Monthly average vapor pressure ≤ 1.8×10^-3 MPa
• Altitude: ≤ 1000m
• Seismic intensity: < 8
• Suitable for locations without dripping water, flammable or explosive hazards, chemical corrosive gases, or intense vibrations.