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Fully-Sealed SF6 Gas-Insulated Ring Main Unit
SF6 Ring Main Unit

Fully-Sealed SF6 Gas-Insulated Ring Main Unit

Fully-sealed, fully-insulated SF6 gas-insulated RMU for 12kV. Maintenance-free for underground, coastal and high-humidity environments.

Rated Voltage12 kV
Rated Current630 A
Insulation MediumSF6 gas
Enclosure3mm stainless steel, fully sealed
ConfigurationC / F / V / D multi-unit
Service Life30 years maintenance-free
StandardsGB 3906 / IEC 62271-200
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✓ Backed by a 12-month warranty.

Key Features

  • Fully-sealed SF6 insulation — zero maintenance for 30 years.
  • Stainless-steel tank for harsh / wet environments.
  • Flexible multi-unit configurations (load-switch, breaker, metering).
  • Compact for urban cable ring-main points.

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