Which file should I choose?
Use EOTK4S302113S4020.stp (revision A) to place the original solid geometry in your 3D assembly.

ABB EOTK4S302113S4020: original STEP for switching or transfer equipment layouts. EOTK4S302113S4020, OTU100B3MS4 1SCA160360R1001 OTU100B4MS4 1SCA160361R1001 OTU100BA3MS4 1SCA160362R1001 OTU100BA4MS4 1SCA160363R1001 OTU125B3MS4 1SCA160364R1001 OTU125B4MS4 1SCA160365R1001 OTU125BA3MS4 1SCA160366R1001 OTU125BA4MS4 1SCA160367R1001.
Switchgear groups the devices that connect, disconnect and protect power circuits. A switchboard takes an incoming supply and distributes it to outgoing circuits.
Use EOTK4S302113S4020.stp (revision A) to place the original solid geometry in your 3D assembly.
1 inspected original for ABB EOTK4S302113S4020: EOTK4S302113S4020.stp (STEP). The manufacturer describes this configuration as EOTK4S302113S4020, OTU100B3MS4 1SCA160360R1001 OTU100B4MS4 1SCA160361R1001 OTU100BA3MS4 1SCA160362R1001 OTU100BA4MS4 1SCA160363R1001 OTU125B3MS4 1SCA160364R1001 OTU125B4MS4 1SCA160365R1001 OTU125BA3MS4 1SCA160366R1001 OTU125BA4MS4 1SCA160367R1001.
STEP · 2.2 MB · Rev A
Download filename: EOTK4S302113S4020.stp
Original manufacturer STEP geometry
1 inspected original for ABB EOTK4S302113S4020: EOTK4S302113S4020.stp (STEP). The manufacturer describes this configuration as EOTK4S302113S4020, OTU100B3MS4 1SCA160360R1001 OTU100B4MS4 1SCA160361R1001 OTU100BA3MS4 1SCA160362R1001 OTU100BA4MS4 1SCA160363R1001 OTU125B3MS4 1SCA160364R1001 OTU125B4MS4 1SCA160365R1001 OTU125BA3MS4 1SCA160366R1001 OTU125BA4MS4 1SCA160367R1001.
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=EOTK4S302113S4020&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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