Which file should I choose?
Use 1SEP620025R3000.stp (revision A) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified 1SEP620025R3000.stp.

ABB Inline II ZHBM1250A-3P-M12: original STEP for busbar or distribution hardware layouts.
A busbar is a common electrical connection that distributes power to several circuits. Its supports and enclosure keep the conductors in their intended positions.
Use 1SEP620025R3000.stp (revision A) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified 1SEP620025R3000.stp.
1 inspected original for ABB Inline II ZHBM1250A-3P-M12: 1SEP620025R3000.stp (STEP).
STEP · 272 KB · Rev A
Download filename: 1SEP620025R3000.stp
Original manufacturer STEP geometry
1 inspected original for ABB Inline II ZHBM1250A-3P-M12: 1SEP620025R3000.stp (STEP).
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=1SEP620025R3000&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.
More busbar & distribution · More ABB drawings · Request other equipment