# Relay Deca 3NO 2NC 3P DC Snap-in Schneider Electric Relay Deca 3NO 2NC 3P DC Snap-in: original DXF / STEP for protection or metering equipment layouts. ## Equipment and file summary Equipment / resource: Relay Deca 3NO 2NC 3P DC Snap-in Manufacturer: Schneider Electric Resource type: Product Manufacturer drawing identity: Relay Deca 3NO 2NC 3P DC Snap-in Named pole configuration: 3P Source document: SB115276_3D-CAD; revision 1.0 Source-model envelope: 44.8 × 106.9 × 94.4 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-relay-deca-3no-2nc-3p-dc-snap-in-26ab798ff8 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/SB115276_3D-CAD/ Manufacturer evidence: https://www.se.com/us/en/download/document/SB115276_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 Relay Deca 3NO 2NC 3P DC Snap-in. ## 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 SB115276_2D-front.dxf (revision 1.0) to insert the supplied editable drawing into your layout. ### What the drawings help you do Use SB115276_2D-front.dxf (revision 1.0) to insert the supplied editable drawing into your layout. Use SB115276_3D-simplified.stp (revision 1.0) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified SB115276_3D-simplified.stp. ### Before using this reference - Match Schneider Electric Relay Deca 3NO 2NC 3P DC Snap-in and the exact source filename shown above. - Named pole configuration: 3P - The supplied model has approximate X × Y × Z bounds of 44.8 × 106.9 × 94.4 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: SB115276_2D-front.dxf — 1.0; SB115276_3D-simplified.stp — 1.0. Use Documentation & sources to check for a newer issue. ### Which original files are supplied for Relay Deca 3NO 2NC 3P DC Snap-in? 2 inspected originals for Schneider Electric Relay Deca 3NO 2NC 3P DC Snap-in: SB115276_2D-front.dxf (DXF); SB115276_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/SB115276_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 Relay Deca 3NO 2NC 3P DC Snap-in → 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/SB115276_3D-CAD/) ## Which file should I choose? Use SB115276_2D-front.dxf (revision 1.0) to insert the supplied editable drawing into your layout. Use SB115276_3D-simplified.stp (revision 1.0) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified SB115276_3D-simplified.stp. ## Official files - SB115276_2D-front.dxf (DXF): https://download.se.com/files?p_File_Name=SB115276_2D-front.dxf&p_Doc_Ref=SB115276_3D-CAD&p_enDocType=CAD Site download: https://eloragrid.ai/tools/cad-library/download/mfr-schneider-electric-relay-deca-3no-2nc-3p-dc-snap-in-26ab798ff8/se-5eeb06190faf88b8d2a3 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=SB115276_2D-front.dxf&p_Doc_Ref=SB115276_3D-CAD&p_enDocType=CAD Purpose: Original manufacturer DXF geometry; acquired: true; redistribution: unknown; SHA-256: e5e4987d938e4823239b91c03f5b74e8f0a9435c9fa271be0263882838e84c88; revision: 1.0 - SB115276_3D-simplified.stp (STEP): https://download.se.com/files?p_File_Name=SB115276_3D-simplified.stp&p_Doc_Ref=SB115276_3D-CAD&p_enDocType=CAD Site download: https://eloragrid.ai/tools/cad-library/download/mfr-schneider-electric-relay-deca-3no-2nc-3p-dc-snap-in-26ab798ff8/se-742995f7f4f6f8b67202 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=SB115276_3D-simplified.stp&p_Doc_Ref=SB115276_3D-CAD&p_enDocType=CAD Purpose: Original manufacturer STEP geometry; acquired: true; redistribution: unknown; SHA-256: e1e47eef6d068116143754cbfd303649441960f50e9aa049ed7bea85c91afe02; revision: 1.0 Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.