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Advance ANSI Air-insulated Switchgear

Medium voltage switchgear for primary distribution up to 27 kV suitable for indoor or outdoor installations

Advance® is ABB’s ANSI platform for 5, 15, and 27 kV rated metal-clad switchgear featuring a narrow footprint and designed and tested according to IEEE C37.20.2. Featuring galvanized steel construction, hem bending techniques, and Delrin arc-quenching contacts, Advance is designed with safety, reliability, and durability in mind.


  • Utilizes ADVAC spring charge mechanism breaker or AMVAC magnetically actuated breaker
  • Enhanced safety for personnel and equipment
  • The design allows for flexibility in configurations 


  • Meets/exceeds the requirements of ANSI C37.20.2
  • Seismically tested to IBC Region D, Ip1.5
  • Enclosures meeting the outdoor requirements of ANSI C37.20.2 are available in either walk-in (sheltered aisle), or non-walk-in configurations
  • Forced air cooling is available for 4,000 A applications up to 15 kV