Substation Equipments

Gas-Insulated Switchgear

Hybrid Gas-Insulated Switchgear

The B105 & T155 H-GIS Hybrid Gas-Insulated Switchgear meet the challenges of networks up to 550 kV in power generation, transmission and heavy industry applications.

The B105 & T155 are compact and accessible, with a bay footprint 40% below the market average. Complete bays are assembled, wired, tested and shipped enabling shorter site works.

In addition, the B105 & T155 are environmentally friendly and features one of the lowest gas weights on the market along with an advanced SF6 sealing system. Full digital monitoring control and protection capabilities enable the B105 & T155 to be readily integrated into the smart grid.

Main Characteristics

Environment friendliness

  • Lowest gas weight on market
  • First-in-class SF6 sealing system

High availability

  • Best experiences and high data reliability
  • Current transformers outside SF6
  • Pure-spring circuit breaker drives
  • Outstanding accessibility: drives and accessories at easy reach

Short site works

  • Complete bays assembled, wired, tested and shipped