Which file should I choose?
Use OS400D03-42.STP.stp (revision A) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified OS400D03-42.STP.stp.

ABB OS400D03-42: original STEP for switching or transfer equipment layouts. stp-file, OS400D03-42, 1SCA022825R0710, SWITCH FUSE, OS400D03-42.stp.
Switchgear groups the devices that connect, disconnect and protect power circuits. A switchboard takes an incoming supply and distributes it to outgoing circuits.
Use OS400D03-42.STP.stp (revision A) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified OS400D03-42.STP.stp.
1 inspected original for ABB OS400D03-42: OS400D03-42.STP.stp (STEP). The manufacturer describes this configuration as stp-file, OS400D03-42, 1SCA022825R0710, SWITCH FUSE, OS400D03-42.stp.
STEP · 264 KB · Rev A
Download filename: OS400D03-42.STP.stp
Original manufacturer STEP geometry
1 inspected original for ABB OS400D03-42: OS400D03-42.STP.stp (STEP). The manufacturer describes this configuration as stp-file, OS400D03-42, 1SCA022825R0710, SWITCH FUSE, OS400D03-42.stp.
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=OS400D03-42.STP&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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