XGN□-12 Fully Sealed Fully Insulated Inflatable Ring Main Unit Switchgear

The XGN□-12 series fully insulated and fully enclosed ring main unit switchgear is an SF6 gas-insulated metal-enclosed system designed for high safety, reliability and compactness. It consists of modular units including load switch units, load switch-fuse combination units, vacuum circuit breaker units, busbar incoming units and more. Featuring advanced material technology and excellent electrical performance, the switchgear remains stable under various environmental and climatic conditions. Its small footprint, clear operation interface and flexible wiring capacity make it suitable for multiple power distribution applications.

Standard Compliance: IEC 62271-202 — High-voltage switchgear and control equipment: HV/LV prefabricated substations.

Main Features of XGN□-12 Fully Sealed Fully Insulated Ring Main Unit

1. Operational Safety

The switchgear offers reliable safety through multiple protection measures designed to eliminate operational risks and accidental contact. Integrated three-position load switches and reliable circuit breaker arrangements enhance safety and ensure stable operation. The fully enclosed primary system design minimizes external interference, while the mechanical interlock system meets five-prevention safety requirements. The live display function ensures clear indication of energization on both incoming and outgoing lines.

2. Reliable Operation

All 10kV switches and busbar live components are completely contained within a 3mm stainless-steel welded sealed gas chamber. Silicone rubber cable plugs ensure sealed cable terminations, protecting the system from dust, moisture and small animals. The spring energy storage mechanism supports both manual and electric operation, while intuitive panel diagrams provide clear switch position indicators. The galvanized and electrostatically coated cabinet enhances corrosion resistance, and the SF6 pressure gauge monitors secure gas pressure levels within the enclosure.

3. Economical Performance

The XGN□-12 switchgear is designed for long-term stable operation with minimal maintenance requirements. Its high-reliability components and robust structure offer a service life of up to 20 years, significantly reducing lifecycle costs for users.

4. Flexible Configuration

The system supports multiple incoming cable directions including left, right, top and front. Modular combination design allows free configuration between different functional units. Insulated busbars offer flexible cabinet connection methods such as front-back or left-right arrangements. Optional spring and permanent magnet operating mechanisms provide more customization options to meet different engineering needs.

Type description