Which file should I choose?
Use 1SCC311658F0002.dxf (revision B) to insert the supplied editable drawing into your layout.

ABB OS315B21N3: original DXF for switching or transfer equipment layouts. Switch-fuse OS315B21N3.
Switchgear groups the devices that connect, disconnect and protect power circuits. A switchboard takes an incoming supply and distributes it to outgoing circuits.
Use 1SCC311658F0002.dxf (revision B) to insert the supplied editable drawing into your layout.
1 inspected original for ABB OS315B21N3: 1SCC311658F0002.dxf (DXF). The manufacturer describes this configuration as Switch-fuse OS315B21N3.
DXF · 3.6 MB · Rev B
Download filename: 1SCC311658F0002.dxf
Original manufacturer DXF geometry
1 inspected original for ABB OS315B21N3: 1SCC311658F0002.dxf (DXF). The manufacturer describes this configuration as Switch-fuse OS315B21N3.
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=1SCC311658F0002&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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