# Electro relay exp 4 DI + 2 DO AC Schneider Electric Electro relay exp 4 DI + 2 DO AC: original DXF / STEP for protection or metering equipment layouts. ## Equipment and file summary Equipment / resource: Electro relay exp 4 DI + 2 DO AC Manufacturer: Schneider Electric Resource type: Product Manufacturer drawing identity: Electro relay exp 4 DI + 2 DO AC Source document: SB115310_3D-CAD; revision 1.0 Source-model envelope: 22.7 × 110.6 × 88.1 mm 2D preview basis: The orthographic views are projected from the manufacturer 3D geometry. They are labelled separately from original dimensioned sheets and do not add manufacturer dimensions. Listed file formats: DXF, STEP Listed files: 2 Available previews: 2 drawing previews; 1 interactive model variants Recorded revisions: 1.0 Source checked: 2026-11-11 Download access: Email registration for site downloads; official source links are also available ## Related GA references - [Protection relay IED](https://eloragrid.ai/objects/ga-protection-relay-ied) - [Power quality meter](https://eloragrid.ai/objects/ga-power-quality-meter) Canonical page: https://eloragrid.ai/tools/cad-library/equipment/mfr-schneider-electric-electro-relay-exp-4-di-2-do-ac-0dfabbe8db Manufacturer: Schneider Electric Entry type: Product Part number: Not specified — select exact configuration Category: Protection & metering Formats: DXF, STEP Market discovery: Global Access: Direct download Official source: https://www.se.com/us/en/download/document/SB115310_3D-CAD/ Manufacturer evidence: https://www.se.com/us/en/download/document/SB115310_3D-CAD/ Source checked: 2026-11-11 Inspected originals are available from this website through the existing download email prompt. Manufacturer source discovery; confirm the exact regional equipment configuration and certification separately. Use the manufacturer configuration named Electro relay exp 4 DI + 2 DO AC. ## In plain English ### What the equipment does 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. ### A simple example Use SB115310_2D-front.dxf (revision 1.0) to insert the supplied editable drawing into your layout. ### What the drawings help you do Use SB115310_2D-front.dxf (revision 1.0) to insert the supplied editable drawing into your layout. Use SB115310_3D-simplified.stp (revision 1.0) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified SB115310_3D-simplified.stp. ### Before using this reference - Match Schneider Electric Electro relay exp 4 DI + 2 DO AC and the exact source filename shown above. - The supplied model has approximate X × Y × Z bounds of 22.7 × 110.6 × 88.1 mm. These are source-model axes; mounting holes and installation clearances must come from the matching manufacturer sheet. - The orthographic views are projected from the manufacturer 3D geometry. They are labelled separately from original dimensioned sheets and do not add manufacturer dimensions. - The source was checked on 2026-11-11; recorded file revisions: SB115310_2D-front.dxf — 1.0; SB115310_3D-simplified.stp — 1.0. Use Documentation & sources to check for a newer issue. ### Which original files are supplied for Electro relay exp 4 DI + 2 DO AC? 2 inspected originals for Schneider Electric Electro relay exp 4 DI + 2 DO AC: SB115310_2D-front.dxf (DXF); SB115310_3D-simplified.stp (STEP). ### Where did these Schneider Electric files come from? Schneider Electric supplied the original files through https://www.se.com/us/en/download/document/SB115310_3D-CAD/. The source reference, revision, original bytes and checksum are retained with each download. ### Terms - CAD: Computer-aided design files used to prepare drawings and models. - Revision: The recorded version of a drawing or model. Concept diagram: Identify Electro relay exp 4 DI + 2 DO AC → Choose DXF or STEP → Check the matching source configuration A simplified explanation of how this item works. It does not show terminal wiring or an operating procedure. - [Schneider Electric official source](https://www.se.com/us/en/download/document/SB115310_3D-CAD/) ## Which file should I choose? Use SB115310_2D-front.dxf (revision 1.0) to insert the supplied editable drawing into your layout. Use SB115310_3D-simplified.stp (revision 1.0) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified SB115310_3D-simplified.stp. ## Official files - SB115310_2D-front.dxf (DXF): https://download.se.com/files?p_File_Name=SB115310_2D-front.dxf&p_Doc_Ref=SB115310_3D-CAD&p_enDocType=CAD Site download: https://eloragrid.ai/tools/cad-library/download/mfr-schneider-electric-electro-relay-exp-4-di-2-do-ac-0dfabbe8db/se-6ee321130cfeb0730897 Hosting basis: no-explicit-prohibition; publisher attribution: Schneider Electric; reviewed: 2026-11-11 Rights review: Public manufacturer/supplier CAD original inspected with its included notices; no explicit applicable reproduction prohibition identified. Rights remain unknown.; evidence: https://download.se.com/files?p_File_Name=SB115310_2D-front.dxf&p_Doc_Ref=SB115310_3D-CAD&p_enDocType=CAD Purpose: Original manufacturer DXF geometry; acquired: true; redistribution: unknown; SHA-256: 6e73e72b43704b7c47bde6df59fc0556a3e8be3f61d8cc384120e00f70680054; revision: 1.0 - SB115310_3D-simplified.stp (STEP): https://download.se.com/files?p_File_Name=SB115310_3D-simplified.stp&p_Doc_Ref=SB115310_3D-CAD&p_enDocType=CAD Site download: https://eloragrid.ai/tools/cad-library/download/mfr-schneider-electric-electro-relay-exp-4-di-2-do-ac-0dfabbe8db/se-fa64d39c158cb59a7f09 Hosting basis: no-explicit-prohibition; publisher attribution: Schneider Electric; reviewed: 2026-11-11 Rights review: Public manufacturer/supplier CAD original inspected with its included notices; no explicit applicable reproduction prohibition identified. Rights remain unknown.; evidence: https://download.se.com/files?p_File_Name=SB115310_3D-simplified.stp&p_Doc_Ref=SB115310_3D-CAD&p_enDocType=CAD Purpose: Original manufacturer STEP geometry; acquired: true; redistribution: unknown; SHA-256: 13a373b73ae83e819f377afb3b15f5ed7b10dbc35dc8c43f611ee3c33e76394b; revision: 1.0 Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.