Which file should I choose?
Use 9AKK108470A1242.stp (revision A) to place the original solid geometry in your 3D assembly.

ABB OS250D12, OS250B12: original STEP for switching or transfer equipment layouts. stp-file, OS250D12, OS250B12, OS250D12M1P, 1SCA022746R5530, 1SCA022727R0010, 1SCA022778R9860, OS250D12/B60, 1SCA156571R1001, SWITCH FUSE, OS250_D_B_12.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 9AKK108470A1242.stp (revision A) to place the original solid geometry in your 3D assembly.
1 inspected original for ABB OS250D12, OS250B12: 9AKK108470A1242.stp (STEP). The manufacturer describes this configuration as stp-file, OS250D12, OS250B12, OS250D12M1P, 1SCA022746R5530, 1SCA022727R0010, 1SCA022778R9860, OS250D12/B60, 1SCA156571R1001, SWITCH FUSE, OS250_D_B_12.stp.
STEP · 717 KB · Rev A
Download filename: 9AKK108470A1242.stp
Original manufacturer STEP geometry
1 inspected original for ABB OS250D12, OS250B12: 9AKK108470A1242.stp (STEP). The manufacturer describes this configuration as stp-file, OS250D12, OS250B12, OS250D12M1P, 1SCA022746R5530, 1SCA022727R0010, 1SCA022778R9860, OS250D12/B60, 1SCA156571R1001, SWITCH FUSE, OS250_D_B_12.stp.
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=9AKK108470A1242&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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