Which file should I choose?
Use OSP1250N.STP.stp (revision C) to place the original solid geometry in your 3D assembly.

ABB OSP1200-1250: original STEP for switching or transfer equipment layouts. stp-file, OSP1200L, 1SCA151730R1001, OSP1250N, 1SCA107943R1001, OSP1250B, 1SCA107950R1001, OSP1250B, 1SCA107946R1001, OSP1250DA, 1SCA112402R1001, FOURTH POLE, NEUTRAL POLE.
Switchgear groups the devices that connect, disconnect and protect power circuits. A switchboard takes an incoming supply and distributes it to outgoing circuits.
Use OSP1250N.STP.stp (revision C) to place the original solid geometry in your 3D assembly.
1 inspected original for ABB OSP1200-1250: OSP1250N.STP.stp (STEP). The manufacturer describes this configuration as stp-file, OSP1200L, 1SCA151730R1001, OSP1250N, 1SCA107943R1001, OSP1250B, 1SCA107950R1001, OSP1250B, 1SCA107946R1001, OSP1250DA, 1SCA112402R1001, FOURTH POLE, NEUTRAL POLE.
STEP · 1.5 MB · Rev C
Download filename: OSP1250N.STP.stp
Original manufacturer STEP geometry
1 inspected original for ABB OSP1200-1250: OSP1250N.STP.stp (STEP). The manufacturer describes this configuration as stp-file, OSP1200L, 1SCA151730R1001, OSP1250N, 1SCA107943R1001, OSP1250B, 1SCA107950R1001, OSP1250B, 1SCA107946R1001, OSP1250DA, 1SCA112402R1001, FOURTH POLE, NEUTRAL POLE.
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=OSP1250N.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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