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Ring Main Units (RMU) / Gas-Insulated RMU
HLXGN-12 Gas-Insulated Ring Main Unit (12 kV)
Unit-type, gas-insulated metal-enclosed ring-network switchgear for 12 kV, three-phase 50 Hz distribution and ring-network systems, designed for urban grids, prefabricated / compact substations and renewable-energy collection. A sealed gas compartment (IP67, ≤ 0.01 % annual leakage) houses the load-break switch, giving a maintenance-free, compact and fully interlocked unit with a 10 000-operation mechanical life.
Key Specifications
StandardsIEC 62271-200 / -1 (ref. GB 3906)
Rated Voltage12 kV
Rated Frequency50 Hz
Rated Current630 A
Power-frequency Withstand42 / 48 kV (isolation gap)
Product Features
- Sealed gas-insulated load-switch compartment (IP67)
- Maintenance-free
- 10 000-operation mechanical life
- Internal arc classified (AFLR, 20 kA)
- Compact, expandable, distribution-automation ready