Service Conditions
■ Ambient Air Temperature: Maximum temperature +40°C; Minimum temperature -15°C.
■ Relative Humidity: Daily average relative humidity ≤95%, with daily average water vapor pressure not exceeding 2.2 kPa; Monthly average relative humidity ≤90%, with monthly average water vapor pressure not exceeding 1.8 kPa.
■ Altitude: ≤1000m.
■ Seismic Intensity: Not exceeding intensity 8.
■ The surrounding air shall not be significantly contaminated by corrosive or flammable gases, water vapor, etc.
■ Location without severe vibration.
■ For use under conditions beyond the normal conditions specified in GB3906, consultation between the user and our company is required.

Structural Features

• The switchgear features a fully modular, all-metal, assembled structure.

• The cabinet body is manufactured from imported aluminum-zinc coated steel plates with strong corrosion resistance, requiring no additional surface treatment.

• Cabinets are processed by CNC high-precision equipment using advanced multiple-bending edge technology.

• Connection is achieved using rivet nuts and high-strength bolts, resulting in high precision, light weight, and excellent strength.

• The switchgear can be equipped with vacuum circuit breakers produced by our company, such as the VS1 series, VD4 series, and ZN65 series, offering wide adaptability and strong interchangeability.

• The movable carriage has distinct “Service” and “Test” positions. Each position features reliable positioning and indication devices, ensuring safety and reliability.

• The cable compartment can accommodate up to 9 single-core cables.

• The equipment is equipped with reliable mechanical and electrical interlocking devices, fully satisfying the “Five Preventions” safety requirements.

• Each compartment is equipped with pressure relief channels to ensure the safety of personnel during operation.