Which file should I choose?
Use OTKM604023PBL64MDD.stp (revision C) to place the original solid geometry in your 3D assembly.

ABB OTKM604023PBL64MDD: original STEP for switching or transfer equipment layouts. OTKM604023PBL64MDD.stp OT160EVAUM3TZ 1SCA161651R1001 OT200KAUM3TZ 1SCA161652R1001.
Switchgear groups the devices that connect, disconnect and protect power circuits. A switchboard takes an incoming supply and distributes it to outgoing circuits.
Use OTKM604023PBL64MDD.stp (revision C) to place the original solid geometry in your 3D assembly.
1 inspected original for ABB OTKM604023PBL64MDD: OTKM604023PBL64MDD.stp (STEP). The manufacturer describes this configuration as OTKM604023PBL64MDD.stp OT160EVAUM3TZ 1SCA161651R1001 OT200KAUM3TZ 1SCA161652R1001.
STEP · 591 KB · Rev C
Download filename: OTKM604023PBL64MDD.stp
Original manufacturer STEP geometry
1 inspected original for ABB OTKM604023PBL64MDD: OTKM604023PBL64MDD.stp (STEP). The manufacturer describes this configuration as OTKM604023PBL64MDD.stp OT160EVAUM3TZ 1SCA161651R1001 OT200KAUM3TZ 1SCA161652R1001.
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=OTKM604023PBL64MDD&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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