Which file should I choose?
Use MCADID0001833_2D-front.dxf (revision 1.0) to insert the supplied editable drawing into your layout.
Use MCADID0001833_3D-simplified.stp (revision 1.0) to place the original solid geometry in your 3D assembly.

Schneider Electric Interface plug-in relay - Zelio RSB - 1 C/O - 12/16A: original DXF / STEP for protection or metering equipment layouts.
A connector provides a connection that can be separated without permanently joining the wires. Its matching parts and ratings determine what it can connect.
Use MCADID0001833_2D-front.dxf (revision 1.0) to insert the supplied editable drawing into your layout.
Use MCADID0001833_3D-simplified.stp (revision 1.0) to place the original solid geometry in your 3D assembly.
2 inspected originals for Schneider Electric Interface plug-in relay - Zelio RSB - 1 C/O - 12/16A: MCADID0001833_2D-front.dxf (DXF); MCADID0001833_3D-simplified.stp (STEP).
DXF · 14 KB · Rev 1.0
Original filename: MCADID0001833_2D-front.dxf
Original manufacturer DXF geometry
STEP · 33 KB · Rev 1.0
Original filename: MCADID0001833_3D-simplified.stp
Original manufacturer STEP geometry
2 inspected originals for Schneider Electric Interface plug-in relay - Zelio RSB - 1 C/O - 12/16A: MCADID0001833_2D-front.dxf (DXF); MCADID0001833_3D-simplified.stp (STEP).
Schneider Electric supplied the original files through https://www.se.com/us/en/download/document/MCADID0001833_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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