Which file should I choose?
Use OTKM402518PC.STP.stp (revision B) to place the original solid geometry in your 3D assembly.

ABB OTKM402518PC: original STEP for switching or transfer equipment layouts. OTKM402518PC.stp OT125GLCC3BZ 1SCA148273R1001 OT125GLCC4BZ 1SCA148275R1001 OT160EVLCC3BZ 1SCA148265R1001 OT160EVLCC4BZ 1SCA148268R1001 OT125GLCC3AZ 1SCA148211R1001 OT125GLCC3TZ 1SCA148212R1001 OT125GLCC4AZ 1SCA148213R1001 OT125GLCC4TZ 1SCA148214R1001 OT90GLCC3AZ 1SCA148203R1001 OT90GLCC3TZ 1SCA14820.
Switchgear groups the devices that connect, disconnect and protect power circuits. A switchboard takes an incoming supply and distributes it to outgoing circuits.
Use OTKM402518PC.STP.stp (revision B) to place the original solid geometry in your 3D assembly.
1 inspected original for ABB OTKM402518PC: OTKM402518PC.STP.stp (STEP). The manufacturer describes this configuration as OTKM402518PC.stp OT125GLCC3BZ 1SCA148273R1001 OT125GLCC4BZ 1SCA148275R1001 OT160EVLCC3BZ 1SCA148265R1001 OT160EVLCC4BZ 1SCA148268R1001 OT125GLCC3AZ 1SCA148211R1001 OT125GLCC3TZ 1SCA148212R1001 OT125GLCC4AZ 1SCA148213R1001 OT125GLCC4TZ 1SCA148214R1001 OT90GLCC3AZ 1SCA148203R1001 OT90GLCC3TZ 1SCA148204R1001 OT90GLCC4AZ 1SCA148205R1001 OT90GLCC4TZ 1SCA148208R1001.
STEP · 593 KB · Rev B
Download filename: OTKM402518PC.STP.stp
Original manufacturer STEP geometry
1 inspected original for ABB OTKM402518PC: OTKM402518PC.STP.stp (STEP). The manufacturer describes this configuration as OTKM402518PC.stp OT125GLCC3BZ 1SCA148273R1001 OT125GLCC4BZ 1SCA148275R1001 OT160EVLCC3BZ 1SCA148265R1001 OT160EVLCC4BZ 1SCA148268R1001 OT125GLCC3AZ 1SCA148211R1001 OT125GLCC3TZ 1SCA148212R1001 OT125GLCC4AZ 1SCA148213R1001 OT125GLCC4TZ 1SCA148214R1001 OT90GLCC3AZ 1SCA148203R1001 OT90GLCC3TZ 1SCA148204R1001 OT90GLCC4AZ 1SCA148205R1001 OT90GLCC4TZ 1SCA148208R1001.
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=OTKM402518PC.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.
More switchboards & switchgear · More ABB drawings · Request other equipment