# MTR-4 DEIF MTR-4: protection or metering reference for protection-panel and metering arrangement. Manufacturer reference mtr-4-3d-pdf.pdf; mtr-4-3d-step-file.stp. ## Equipment and file summary Equipment / resource: MTR-4 Manufacturer: DEIF Resource type: Product Manufacturer drawing: mtr-4-3d-pdf.pdf; mtr-4-3d-step-file.stp Source configurations grouped on this page: MTR-4; MTR-4P Manufacturer reference: mtr-4-3d-pdf.pdf; mtr-4-3d-step-file.stp Manufacturer lifecycle: Active Model envelope: mtr-4-3d-step-file.stp: 99.7 × 79.4 × 105.5 mm (approximate X × Y × Z bounds of the tessellated source model) Listed file formats: PDF, STEP Listed files: 2 Available previews: Manufacturer source / drawing request Recorded revisions: Confirm the revision with the manufacturer Source checked: 2026-11-04 Download access: Use the official manufacturer source or request the exact drawing ## 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/deif-mtr-4-223b919d96 Manufacturer: DEIF Entry type: Product Part number: Not specified — select exact configuration Category: Protection & metering Formats: PDF, STEP Market discovery: Global Access: Request CAD Official source: https://www.deif.com/documentation/mtr-4/ Manufacturer evidence: https://www.deif.com/documentation/mtr-4/ Source checked: 2026-11-04 Source-only. Open the manufacturer reference or request the drawing for your selected equipment. Confirm the exact regional configuration against the selected manufacturer drawing. Manufacturer reference mtr-4-3d-pdf.pdf; mtr-4-3d-step-file.stp identifies this protection or metering reference. ## In plain English ### Using the MTR-4 reference DEIF MTR-4: protection or metering reference for protection-panel and metering arrangement. Manufacturer reference mtr-4-3d-pdf.pdf; mtr-4-3d-step-file.stp. ### A simple example mtr-4-3d-pdf.pdf contains interactive 3D PDF content. Use a compatible PDF application. It is not supplied as a flat browser drawing; choose the matching STEP file where listed. ### What the drawings help you do mtr-4-3d-pdf.pdf contains interactive 3D PDF content. Use a compatible PDF application. It is not supplied as a flat browser drawing; choose the matching STEP file where listed. Use mtr-4-3d-step-file.stp for the supplied solid assembly in your 3D layout. Use mtr-4-3d-step-file.stp for the supplied solid assembly in your 3D layout. Match the MTR-4P configuration named by DEIF. ### Before using this reference - Check the exact case, terminal arrangement and mounting option. A device outline does not determine protection settings, CT ratios or the electrical design of the protected circuit. - mtr-4-3d-step-file.stp has approximate model bounds of 99.7 × 79.4 × 105.5 mm (approximate X × Y × Z bounds of the tessellated source model). Compare these model axes with the installation orientation; mounting and service clearances are separate requirements. - This page groups 2 source references for the same configuration or model geometry. The file list retains the separate formats and source revisions. ### What can I use the MTR-4 reference for? Use this protection or metering reference for protection-panel and metering arrangement. Check the exact case, terminal arrangement and mounting option. A device outline does not determine protection settings, CT ratios or the electrical design of the protected circuit. ### Which manufacturer reference identifies this drawing? DEIF reference mtr-4-3d-pdf.pdf; mtr-4-3d-step-file.stp. The file list retains the original source and recorded revision. ### Terms Concept diagram: Identify MTR-4 → Select the drawing or model → Check the mounting interface Manufacturer reference mtr-4-3d-pdf.pdf; mtr-4-3d-step-file.stp identifies this protection or metering reference. - [DEIF source](https://www.deif.com/documentation/mtr-4/) ## Which file should I choose? mtr-4-3d-pdf.pdf contains interactive 3D PDF content. Use a compatible PDF application. It is not supplied as a flat browser drawing; choose the matching STEP file where listed. Use mtr-4-3d-step-file.stp for the supplied solid assembly in your 3D layout. Use mtr-4-3d-step-file.stp for the supplied solid assembly in your 3D layout. Match the MTR-4P configuration named by DEIF. ## Official files - mtr-4-3d-pdf.pdf (PDF): https://deif-cdn-umbraco.azureedge.net/media/1ubpst20/mtr-4-3d-pdf.pdf?rnd=133833085936870000&v=9 Site download: not publicly hosted Rights review: The DEIF terms apply across its group websites and require written permission for public copying, republication, uploading and distribution.; evidence: https://deif-cdn-umbraco.azureedge.net/media/1ubpst20/mtr-4-3d-pdf.pdf?rnd=133833085936870000&v=9, https://www.deif.com/terms-of-use/ Purpose: Manufacturer drawing reference mtr-4-3d-pdf.pdf; acquired: true; redistribution: restricted; SHA-256: f2b47816e42d88ff9fd0079c50d866aeda9eb6a63789993b1a9e7be2218fcad3; revision: not recorded - mtr-4-3d-step-file.stp (STEP): https://deif-cdn-umbraco.azureedge.net/media/uv0fqopx/mtr-4-3d-step-file.stp?rnd=133833086401500000&v=9 Site download: not publicly hosted Rights review: The DEIF terms apply across its group websites and require written permission for public copying, republication, uploading and distribution.; evidence: https://deif-cdn-umbraco.azureedge.net/media/uv0fqopx/mtr-4-3d-step-file.stp?rnd=133833086401500000&v=9, https://www.deif.com/terms-of-use/ Purpose: Manufacturer drawing reference mtr-4-3d-step-file.stp; acquired: true; redistribution: restricted; SHA-256: 651eeb77a109f5f8d78770ffeeb4cfd66641c4ca0eca8aaf3490ed54510ae706; revision: not recorded Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.