Which file should I choose?
Use OTM63-125_2P_3P_COMPACTATS.stp (revision B) to place the original solid geometry in your 3D assembly.

ABB OTM63-125 Compact ATS: original STEP for switching or transfer equipment layouts. OTM63-125_Compact ATS - 3D drawing, 2&3 poles.
Switchgear groups the devices that connect, disconnect and protect power circuits. A switchboard takes an incoming supply and distributes it to outgoing circuits.
Use OTM63-125_2P_3P_COMPACTATS.stp (revision B) to place the original solid geometry in your 3D assembly.
1 inspected original for ABB OTM63-125 Compact ATS: OTM63-125_2P_3P_COMPACTATS.stp (STEP). The manufacturer describes this configuration as OTM63-125_Compact ATS - 3D drawing, 2&3 poles.
STEP · 348 KB · Rev B
Download filename: OTM63-125_2P_3P_COMPACTATS.stp
Original manufacturer STEP geometry
1 inspected original for ABB OTM63-125 Compact ATS: OTM63-125_2P_3P_COMPACTATS.stp (STEP). The manufacturer describes this configuration as OTM63-125_Compact ATS - 3D drawing, 2&3 poles.
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=OTM63-125_2P_3P_COMPACTATS&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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