Product Overview
Our Outdoor Air-Insulated Vacuum Ring Main Unit (RMU) is a compact, robust power distribution solution engineered for reliable performance in harsh outdoor environments. Designed to meet global standards for safety and efficiency, this unit delivers stable power distribution for urban grids, industrial facilities, and renewable energy projects.
Key features include:
- Air-insulated design: Eliminates SF6 gas, reducing environmental impact and maintenance costs.
- Vacuum interruption technology: Ensures reliable switching and long electrical lifespan.
- Weather-resistant enclosure: IP65-rated protection against dust, rain, and extreme temperatures.
- Modular construction: Flexible configuration for feeder, transformer, or busbar applications.
Technical Specifications
| Rated voltage |
12kV / 24kV |
| Rated current |
630A / 1250A |
| Short-circuit breaking capacity |
20kA / 25kA |
| Insulation medium |
Clean air (SF6-free) |
| Protection class |
IP65 (outdoor) |
| Operating temperature |
-30°C to +40°C |
| Mounting |
Floor-mounted / pedestal |
Key Benefits
- Environmentally friendly: SF6-free design aligns with global sustainability regulations.
- Low maintenance: Minimal moving parts and self-sealing components reduce operational costs.
- High reliability: Vacuum interrupters provide consistent performance in demanding conditions.
- Easy integration: Compatible with SCADA systems for remote monitoring and control.
- Compact footprint: Optimized design saves valuable space in substations and industrial sites.
Applications
- Urban power distribution networks
- Industrial and commercial facilities
- Renewable energy projects (solar, wind)
- Oil and gas installations
- Mining operations
- Railway electrification systems