Which file should I choose?
Use OTKM604023PBL4R.STP.stp (revision B) to place the original solid geometry in your 3D assembly.

ABB OTKM604023PBL4RDD: original STEP for switching or transfer equipment layouts. OTKM604023PBL4RDD.stp, OT125GAUR6AZ 1SCA148496R1001 OT125GAUR6TZ 1SCA148497R1001 OT160EVAUR3AZ 1SCA147979R1001 OT160EVAUR3TZ 1SCA147980R1001 OT160EVUUR3AZ 1SCA147981R1001 OT160EVUUR3TZ 1SCA147982R1001 OT200KAUR3AZ 1SCA022513R1090 OT200KAUR3TZ 1SCA022281R6820 OT200KAUR4AZ 1SCA022815R9710 OT200KAUR4TZ.
Switchgear groups the devices that connect, disconnect and protect power circuits. A switchboard takes an incoming supply and distributes it to outgoing circuits.
Use OTKM604023PBL4R.STP.stp (revision B) to place the original solid geometry in your 3D assembly.
1 inspected original for ABB OTKM604023PBL4RDD: OTKM604023PBL4R.STP.stp (STEP). The manufacturer describes this configuration as OTKM604023PBL4RDD.stp, OT125GAUR6AZ 1SCA148496R1001 OT125GAUR6TZ 1SCA148497R1001 OT160EVAUR3AZ 1SCA147979R1001 OT160EVAUR3TZ 1SCA147980R1001 OT160EVUUR3AZ 1SCA147981R1001 OT160EVUUR3TZ 1SCA147982R1001 OT200KAUR3AZ 1SCA022513R1090 OT200KAUR3TZ 1SCA022281R6820 OT200KAUR4AZ 1SCA022815R9710 OT200KAUR4TZ 1SCA022815R3510 OT200KUUR3AZ 1SCA022700R6340 OT200KUUR3TZ 1SCA022513R8340 OT250KAUR4TZ 1SCA022717R3910 OT90GAUR6AZ 1SCA148492R1001 OT90GAUR6TZ 1SCA148493R1001.
STEP · 654 KB · Rev B
Download filename: OTKM604023PBL4R.STP.stp
Original manufacturer STEP geometry
1 inspected original for ABB OTKM604023PBL4RDD: OTKM604023PBL4R.STP.stp (STEP). The manufacturer describes this configuration as OTKM604023PBL4RDD.stp, OT125GAUR6AZ 1SCA148496R1001 OT125GAUR6TZ 1SCA148497R1001 OT160EVAUR3AZ 1SCA147979R1001 OT160EVAUR3TZ 1SCA147980R1001 OT160EVUUR3AZ 1SCA147981R1001 OT160EVUUR3TZ 1SCA147982R1001 OT200KAUR3AZ 1SCA022513R1090 OT200KAUR3TZ 1SCA022281R6820 OT200KAUR4AZ 1SCA022815R9710 OT200KAUR4TZ 1SCA022815R3510 OT200KUUR3AZ 1SCA022700R6340 OT200KUUR3TZ 1SCA022513R8340 OT250KAUR4TZ 1SCA022717R3910 OT90GAUR6AZ 1SCA148492R1001 OT90GAUR6TZ 1SCA148493R1001.
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=OTKM604023PBL4R.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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