Which file should I choose?
Use 1SQC173176D0201.stp (revision B) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified 1SQC173176D0201.stp.

ABB OEM XT5 3P 600A M BRK KIT HDWARE: original STEP for circuit-breaker equipment layouts. OEM MBM336 Main Breaker Kit Hardware 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.
Use 1SQC173176D0201.stp (revision B) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified 1SQC173176D0201.stp.
1 inspected original for ABB OEM XT5 3P 600A M BRK KIT HDWARE: 1SQC173176D0201.stp (STEP). The manufacturer describes this configuration as OEM MBM336 Main Breaker Kit Hardware CAD Model.
STEP · 496 KB · Rev B
Download filename: 1SQC173176D0201.stp
Original manufacturer STEP geometry
1 inspected original for ABB OEM XT5 3P 600A M BRK KIT HDWARE: 1SQC173176D0201.stp (STEP). The manufacturer describes this configuration as OEM MBM336 Main Breaker Kit Hardware CAD Model.
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=1SQC173176D0201&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.
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