primary switchgear / medium-voltage / compact / gas-insulated
8DAB 12 - blue GIS

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primary switchgear primary switchgear - 8DAB 12 - blue GIS


  • Type:


  • Electrical characteristics:


  • Configuration:

    compact, gas-insulated

  • Applications:

    power distribution

  • Other characteristics:


  • Current:

    Min.: 0 A

    Max.: 40,000 A

    2,750 A

  • VAC:

    Min.: 0 kV

    Max.: 12 kV


Voltage up to 12 kV
Short-time withstand current up to 40 kA
Normal current up to 2750 A
Single- and double-busbar

Gas-insulated switchgear (GIS) type 8DA/B has been an integral part of the medium-voltage portfolio at Siemens. More than 100,000 panels of this switchgear type have already been installed worldwide. The 8DA/B portfolio has now been extended by 8DAB 12 – a switchgear using Clean Air, an insulating gas exclusively consisting of natural elements of the ambient air. The new 8DAB 12 belongs to the “blue GIS” portfolio of Siemens AG. Every GIS of this portfolio is equipped with Clean Air and the proven Siemens vacuum technology, offering all advantages of a gas-insulated switchgear at the same time.

Clean Air
- F-gas-free
- Global warming potential < 1
- Highly stable
- Non-toxic
- Non-flammable
- For every application temperature

Customer benefits
- Environmental independence
- Compact design
- Maintenance-free design
- Personal safety
- Security of operation, reliability
- Economy, ecology

Other SIEMENS Medium-voltage – Power distribution products

Medium-voltage systems