Which file should I choose?
1SQC900552D0201.zip (revision A) is the original ABB archive. Open LGRX55.stp inside it to place the original solid geometry in your 3D assembly.

ABB NEXT HORIZ XT5 (2) 500 mcmW FT Lugs - LGRX55: 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.
1SQC900552D0201.zip (revision A) is the original ABB archive. Open LGRX55.stp inside it to place the original solid geometry in your 3D assembly.
1 inspected original for ABB NEXT HORIZ XT5 (2) 500 mcmW FT Lugs - LGRX55: 1SQC900552D0201.zip (ZIP). The manufacturer describes this configuration as CAD model.
ZIP · 154 KB · Rev A
Download filename: 1SQC900552D0201.zip
Original manufacturer CAD archive
1 inspected original for ABB NEXT HORIZ XT5 (2) 500 mcmW FT Lugs - LGRX55: 1SQC900552D0201.zip (ZIP). The manufacturer describes this configuration as CAD model.
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=1SQC900552D0201&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.
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