Gas-insulated compact switchgear SafePlus Air

Compact medium voltage (MV) gas-insulated switchgear (GIS) for secondary distribution, 12 kV, 630A

SafePlus Air is a metal enclosed compact switchgear system for up to 12 kV distribution applications. The SafePlus Air portfolio is based on dry air technology as insulation medium. Dry air insulation has a Global Warming Potential (GWP) of zero.

For the eco-efficient switchgear portfolio, ABB has developed a new SF6-free load break switch based on a puffer interrupter technology. This new technology replaces the vacuum interrupter technology used in the C-module of SafeRing and SafePlus eco-efficient switchgear. The new load break switch will function both as a load break switch and disconnector switch, in one single operation. It will further be in series with a two-position earthing switch, which will simplify the operating sequence of the C-module.

The switchgear design is based on the existing SafePlus portfolio, offering an advantage to the end users with the same user interface, footprint, spare parts and operation. The switchgear has a unique flexibility thanks to the possible combination of fully modular and configurations.

SafePlus Air is a completely sealed system with a stainless steel tank containing all live parts and switching functions. A sealed steel tank with constant atmospheric conditions ensures a high level of reliability as well as personnel safety and a virtually maintenance-free system.

Product scope

  • Rated voltage: 12kV
  • Rated current: 630A
  • Rated short time current: 20kA for 3 sec

Key benefits

  • Dry air insulation with a Global Warming Potential (GWP) of zero
  • True GIS design: Protected from ambient conditions by sealed gas compartment
  • Easy replacement: Same compact dimensions as the proven SafePlus with SF6 insulation
  • Smart grid enabled: Available with sensor technology and digital communication options
  • High personnel safety with internal arc proof design

Key features

  • No SF6 inside: Dry air insulation as eco-efficient alternative for networks up to 12kV
  • Compact design with small footprint and low physical weight
  • Independent from ambient conditions
  • Maintenance-free solution
  • Optional arc suppressor: No gases released even in arc fault cases
  • Optional combisensor bushing: Integrated voltage and current measurement


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