Which file should I choose?
Use OTM315-400E4M.STP.stp (revision A) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified OTM315-400E4M.STP.stp.

ABB OTM315-400E4M: original STEP for switching or transfer equipment layouts. MOTORIZED SWITCH, OTM315E4M230C, 1SCA115335R1001, OTM400E4M230C, 1SCA115336R1001, STP-FILE.
Switchgear groups the devices that connect, disconnect and protect power circuits. A switchboard takes an incoming supply and distributes it to outgoing circuits.
Use OTM315-400E4M.STP.stp (revision A) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified OTM315-400E4M.STP.stp.
1 inspected original for ABB OTM315-400E4M: OTM315-400E4M.STP.stp (STEP). The manufacturer describes this configuration as MOTORIZED SWITCH, OTM315E4M230C, 1SCA115335R1001, OTM400E4M230C, 1SCA115336R1001, STP-FILE.
STEP · 277 KB · Rev A
Download filename: OTM315-400E4M.STP.stp
Original manufacturer STEP geometry
1 inspected original for ABB OTM315-400E4M: OTM315-400E4M.STP.stp (STEP). The manufacturer describes this configuration as MOTORIZED SWITCH, OTM315E4M230C, 1SCA115335R1001, OTM400E4M230C, 1SCA115336R1001, STP-FILE.
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=OTM315-400E4M.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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