Which file should I choose?
Use MCADID0001881_2D-front.dxf (revision 1.0) to insert the supplied editable drawing into your layout.
Use MCADID0001880_3D-simplified.stp (revision 1.0) to place the original solid geometry in your 3D assembly.

Schneider Electric Zelio relay Accessories: original DXF / STEP for protection or metering equipment layouts.
A relay uses an electrical input or measured condition to change its contacts or output. This lets one circuit pass a command or indication to another.
Use MCADID0001881_2D-front.dxf (revision 1.0) to insert the supplied editable drawing into your layout.
Use MCADID0001880_3D-simplified.stp (revision 1.0) to place the original solid geometry in your 3D assembly.
2 inspected originals for Schneider Electric Zelio relay Accessories: MCADID0001881_2D-front.dxf (DXF); MCADID0001880_3D-simplified.stp (STEP).
DXF · 13 KB · Rev 1.0
Original filename: MCADID0001881_2D-front.dxf
Original manufacturer DXF geometry
STEP · 36 KB · Rev 1.0
Original filename: MCADID0001880_3D-simplified.stp
Original manufacturer STEP geometry
2 inspected originals for Schneider Electric Zelio relay Accessories: MCADID0001881_2D-front.dxf (DXF); MCADID0001880_3D-simplified.stp (STEP).
Schneider Electric supplied the original files through https://www.se.com/us/en/download/document/MCADID0001881_3D-CAD/. The source reference, revision, original bytes and checksum are retained with each download.
Original publisher: Schneider Electric. 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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