Which file should I choose?
Use OT90-125GAUR6_Z_STEP.STP.stp (revision A) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified OT90-125GAUR6_Z_STEP.STP.stp.

ABB OT90..125GAUR6 Z: original STEP for switching or transfer equipment layouts. OT125GAUR6AZ, OT125GAUR6TZ, OT90GAUR6AZ, OT90GAUR6TZ, igs-file.
Switchgear groups the devices that connect, disconnect and protect power circuits. A switchboard takes an incoming supply and distributes it to outgoing circuits.
Use OT90-125GAUR6_Z_STEP.STP.stp (revision A) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified OT90-125GAUR6_Z_STEP.STP.stp.
1 inspected original for ABB OT90..125GAUR6 Z: OT90-125GAUR6_Z_STEP.STP.stp (STEP). The manufacturer describes this configuration as OT125GAUR6AZ, OT125GAUR6TZ, OT90GAUR6AZ, OT90GAUR6TZ, igs-file.
STEP · 401 KB · Rev A
Download filename: OT90-125GAUR6_Z_STEP.STP.stp
Original manufacturer STEP geometry
1 inspected original for ABB OT90..125GAUR6 Z: OT90-125GAUR6_Z_STEP.STP.stp (STEP). The manufacturer describes this configuration as OT125GAUR6AZ, OT125GAUR6TZ, OT90GAUR6AZ, OT90GAUR6TZ, igs-file.
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=OT90-125GAUR6_Z_IGS.IGS&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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