Which file should I choose?
1SQC900689D0201.zip (revision B) is the original ABB archive. Open neXT_XT2_2p_AC_phase_breaker_LEFT.stp inside it to place the original solid geometry in your 3D assembly.

ABB neXT XT2 2p AC phase breaker: original STEP for circuit-breaker equipment layouts. CAD model.
A circuit breaker opens and closes a power circuit and can interrupt it when its protection or trip system responds to a fault.
1SQC900689D0201.zip (revision B) is the original ABB archive. Open neXT_XT2_2p_AC_phase_breaker_LEFT.stp inside it to place the original solid geometry in your 3D assembly.
1 inspected original for ABB neXT XT2 2p AC phase breaker: 1SQC900689D0201.zip (ZIP). The manufacturer describes this configuration as CAD model.
ZIP · 1.5 MB · Rev B
Download filename: 1SQC900689D0201.zip
Original manufacturer CAD archive
1 inspected original for ABB neXT XT2 2p AC phase breaker: 1SQC900689D0201.zip (ZIP). The manufacturer describes this configuration as CAD model.
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=1SQC900689D0201&LanguageCode=en&DocumentPartId=&Action=Launch. The source reference, revision, original bytes and checksum are retained with each download.
Original publisher: ABB. Source checked 2026-11-11. Original bytes are preserved; file links and document references identify the source.
Manufacturer source discovery; confirm the exact regional equipment configuration and certification separately.
1 listed archive entries. Filenames are also included in the text and JSON references.
neXT_XT2_2p_AC_phase_breaker_LEFT.stpMore breakers & accessories · More ABB drawings · Request other equipment