Gas-insulated ring main unit SafeRing XT

Medium voltage (MV) SF6-insulated ring main unit for secondary distribution up to 12 kV, 630A

SafeRing XT is a ring main unit (RMU) for the secondary distribution network.  It is available in different configurations suitable for most switching applications within the range from 6 to 12 kV. The standardized RMU configurations, which are mostly required within a distribution network, can be extensible upon request.

SafeRing XT 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

  • 12 kV, 630A  


Key benefits

  • Completely sealed system
  • Safe and reliable operation
  • Smart grid enabled
  • Compact design with small footprint and low physical weight
  • Most typical variants: RMU with standard variants up to 5 modules (12kV)
  • Harmonized for higher flexibility: Select SafePlus XT switchgear for more options

Key features

  • Minimal maintenance
  • No live parts exposed
  • One full range up to 12kV
  • Module width: 325mm for 12kV
  • Integrated low-voltage compartment
  • Metal enclosed switchgear & controlgear design with IP54 protection
  • IAC AFLR tested
  • Optional integrated remote control and monitoring unit
  • Optional monitoring & diagnostics



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