Which file should I choose?
Use OSS1250G1L.STP.stp (revision A) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified OSS1250G1L.STP.stp.

ABB OSS1250G1L: original STEP for switching or transfer equipment layouts. stp-file, OSS1250G1L, OSS1250G1L/3, OSS1250G1L/4, 1SCA109431R1001, 1SCA107938R1001, 1SCA107940R1001, TERMINAL SHROUD.
Switchgear groups the devices that connect, disconnect and protect power circuits. A switchboard takes an incoming supply and distributes it to outgoing circuits.
Use OSS1250G1L.STP.stp (revision A) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified OSS1250G1L.STP.stp.
1 inspected original for ABB OSS1250G1L: OSS1250G1L.STP.stp (STEP). The manufacturer describes this configuration as stp-file, OSS1250G1L, OSS1250G1L/3, OSS1250G1L/4, 1SCA109431R1001, 1SCA107938R1001, 1SCA107940R1001, TERMINAL SHROUD.
STEP · 151 KB · Rev A
Download filename: OSS1250G1L.STP.stp
Original manufacturer STEP geometry
1 inspected original for ABB OSS1250G1L: OSS1250G1L.STP.stp (STEP). The manufacturer describes this configuration as stp-file, OSS1250G1L, OSS1250G1L/3, OSS1250G1L/4, 1SCA109431R1001, 1SCA107938R1001, 1SCA107940R1001, TERMINAL SHROUD.
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=OSS1250G1L.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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