Which file should I choose?
Use OT600U33C.IGS.igs (revision A) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified OT600U33C.IGS.igs.

ABB OT600U33C: original IGES for switching or transfer equipment layouts. OT600U33C, OT600U33CP, transfer switch, transfer switches.
Switchgear groups the devices that connect, disconnect and protect power circuits. A switchboard takes an incoming supply and distributes it to outgoing circuits.
Use OT600U33C.IGS.igs (revision A) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified OT600U33C.IGS.igs.
1 inspected original for ABB OT600U33C: OT600U33C.IGS.igs (IGES). The manufacturer describes this configuration as OT600U33C, OT600U33CP, transfer switch, transfer switches.
IGES · 333 KB · Rev A
Download filename: OT600U33C.IGS.igs
Original manufacturer IGES geometry
1 inspected original for ABB OT600U33C: OT600U33C.IGS.igs (IGES). The manufacturer describes this configuration as OT600U33C, OT600U33CP, transfer switch, transfer switches.
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=OT600U33C.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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