
MV Switchgear
SF6 Gas-Insulated Ring Main Unit (GIS RMU)
Our SF6 gas-insulated Ring Main Units (RMUs) are compact, reliable, and maintenance-free solutions designed for medium voltage distribution networks. Fully…
12 – 40.5 kVIEC 62271-200

Overview
Our SF6 gas-insulated Ring Main Units (RMUs) are compact, reliable, and maintenance-free solutions designed for medium voltage distribution networks. Fully compliant with IEC 62271-200 and IEC 62271-105, they provide safe and efficient operation in 12, 24, and 36 kV systems.
Technical specifications
| Rated Voltage | 12 / 24 / 36 kV |
|---|---|
| Rated Current | 630 A (circuit breaker), 125 A (fused switch) |
| Short-Circuit Withstand | 20-25 kA / 1s |
| Insulation Medium | Fully SF6 gas insulated |
| Protection Class | IP67 (gas tank), IP4X (general enclosure) |
| Service Continuity | LSC2A |
| Internal Arc Classification | IAC A-FLR, up to 20 kA / 1s |
Advantages
- Compact footprint and space-saving design
- Maintenance-free due to sealed SF6 insulation
- Fast installation and long service life
- Wide range of modular options: breaker, load break switch, fused switch, etc.
- Integrated mechanical interlocks for operator safety
Applications
- Urban and rural distribution networks
- Industrial facilities
- LV/MV transformer substations
- Renewable energy integration points

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