Customization: | Available |
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Certification: | ISO9001 |
Voltage Level: | High Voltage |
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The SMR6-12 Ring Main Unit (RMU) is a fully sealed, SF6 gas-insulated and modular switchgear unit for medium voltage power distribution networks. Rated at 12kV, it is designed for compact indoor installations, offering high safety, reliability, and maintenance-free operation.
All live components and switchgear functions are fully sealed in an SF6 gas tank, ensuring a long service life, no environmental impact, and excellent arc-extinguishing performance. This RMU supports multiple configurations including load switch, circuit breaker, fuse, and metering units, which can be combined flexibly for different network schemes.
Ambient Temperature: -25ºC to +40ºC, with a 24-hour average ≤+35ºC.
Altitude: ≤1000m.
Relative Humidity: Daily average ≤95%, monthly average ≤90%.
Seismic Intensity: Maximum magnitude 8.
Installation Requirements:
Tilt angle from vertical ≤3°;
Free from severe vibration, shock, and corrosive substances;
Ambient air shall not be contaminated by dust, smoke, corrosive/flammable gases, or salt mist.
Note: Custom solutions available for special requirements.