# BQ DEIF BQ: protection or metering reference for protection-panel and metering arrangement. Manufacturer reference bq48-3d-pdf.pdf; bq48-3d-step-file.stp; bq72-3d-pdf.pdf. ## Equipment and file summary Equipment / resource: BQ Manufacturer: DEIF Resource type: Product Manufacturer drawing: bq48-3d-pdf.pdf; bq48-3d-step-file.stp; bq72-3d-pdf.pdf Manufacturer reference: bq48-3d-pdf.pdf; bq48-3d-step-file.stp; bq72-3d-pdf.pdf; bq72-3d-step-file.stp Manufacturer lifecycle: Active Model envelope: bq48-3d-step-file.stp: 48 × 48 × 57.7 mm (approximate X × Y × Z bounds of the tessellated source model) Model envelope: bq72-3d-step-file.stp: 72 × 72 × 68.6 mm (approximate X × Y × Z bounds of the tessellated source model) Listed file formats: PDF, STEP Listed files: 4 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-bq-1fd95635f6 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/bq/ Manufacturer evidence: https://www.deif.com/documentation/bq/ 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 bq48-3d-pdf.pdf; bq48-3d-step-file.stp; bq72-3d-pdf.pdf identifies this protection or metering reference. ## In plain English ### Using the BQ reference DEIF BQ: protection or metering reference for protection-panel and metering arrangement. Manufacturer reference bq48-3d-pdf.pdf; bq48-3d-step-file.stp; bq72-3d-pdf.pdf. ### A simple example bq48-3d-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 bq48-3d-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 bq48-3d-step-file.stp for the supplied solid assembly in your 3D layout. bq72-3d-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 bq72-3d-step-file.stp for the supplied solid assembly in your 3D layout. ### 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. - bq48-3d-step-file.stp has approximate model bounds of 48 × 48 × 57.7 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. - bq72-3d-step-file.stp has approximate model bounds of 72 × 72 × 68.6 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. ### What can I use the BQ 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 bq48-3d-pdf.pdf; bq48-3d-step-file.stp; bq72-3d-pdf.pdf. The file list retains the original source and recorded revision. ### Terms Concept diagram: Identify BQ → Select the drawing or model → Check the mounting interface Manufacturer reference bq48-3d-pdf.pdf; bq48-3d-step-file.stp; bq72-3d-pdf.pdf identifies this protection or metering reference. - [DEIF source](https://www.deif.com/documentation/bq/) ## Which file should I choose? bq48-3d-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 bq48-3d-step-file.stp for the supplied solid assembly in your 3D layout. bq72-3d-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 bq72-3d-step-file.stp for the supplied solid assembly in your 3D layout. ## Official files - bq48-3d-pdf.pdf (PDF): https://deif-cdn-umbraco.azureedge.net/media/t2ues5sp/bq48-3d-pdf.pdf?rnd=133718330722730000&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/t2ues5sp/bq48-3d-pdf.pdf?rnd=133718330722730000&v=9, https://www.deif.com/terms-of-use/ Purpose: Manufacturer drawing reference bq48-3d-pdf.pdf; acquired: true; redistribution: restricted; SHA-256: aec47472c3dba2b9ea67422e7a2542c1c97df59187c93453305783605037c526; revision: not recorded - bq48-3d-step-file.stp (STEP): https://deif-cdn-umbraco.azureedge.net/media/tm2l4pev/bq48-3d-step-file.stp?rnd=133718332227770000&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/tm2l4pev/bq48-3d-step-file.stp?rnd=133718332227770000&v=9, https://www.deif.com/terms-of-use/ Purpose: Manufacturer drawing reference bq48-3d-step-file.stp; acquired: true; redistribution: restricted; SHA-256: ac8c3d487cd587c0a92b4e834cbad2e2b26c878ee22af88b010efe3043a13147; revision: not recorded - bq72-3d-pdf.pdf (PDF): https://deif-cdn-umbraco.azureedge.net/media/4fefu3t1/bq72-3d-pdf.pdf?rnd=133718333610070000&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/4fefu3t1/bq72-3d-pdf.pdf?rnd=133718333610070000&v=9, https://www.deif.com/terms-of-use/ Purpose: Manufacturer drawing reference bq72-3d-pdf.pdf; acquired: true; redistribution: restricted; SHA-256: ee3a824d8670a6da6464d2cc624d6e64cebb89325862071521cee6319200e4e9; revision: not recorded - bq72-3d-step-file.stp (STEP): https://deif-cdn-umbraco.azureedge.net/media/hqwhh04r/bq72-3d-step-file.stp?rnd=133718334933200000&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/hqwhh04r/bq72-3d-step-file.stp?rnd=133718334933200000&v=9, https://www.deif.com/terms-of-use/ Purpose: Manufacturer drawing reference bq72-3d-step-file.stp; acquired: true; redistribution: restricted; SHA-256: 099ed343d9ec39c9f8b20127ceba6d1ec41711edb399adad98c98a8194b0b959; revision: not recorded Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.