# WSS 500 and WSS 550 DEIF WSS 500 and WSS 550: instrumentation or control-connection reference for instrument and control-system connections. Manufacturer reference wss-550-2d-cad-drawing.dwg; wss-550-2d-pdf.pdf; wss-550-3d-step-files.stp. ## Equipment and file summary Equipment / resource: WSS 500 and WSS 550 Manufacturer: DEIF Resource type: Product Manufacturer drawing: wss-550-2d-cad-drawing.dwg; wss-550-2d-pdf.pdf; wss-550-3d-step-files.stp Manufacturer reference: wss-550-2d-cad-drawing.dwg; wss-550-2d-pdf.pdf; wss-550-3d-step-files.stp; wss-550-3d-pdf.pdf Manufacturer lifecycle: Active Listed file formats: DWG, 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-wss-500-and-wss-550-0bf73ae073 Manufacturer: DEIF Entry type: Product Part number: Not specified — select exact configuration Category: Protection & metering Formats: DWG, PDF, STEP Market discovery: Global Access: Request CAD Official source: https://www.deif.com/documentation/wss-500-and-wss-550/ Manufacturer evidence: https://www.deif.com/documentation/wss-500-and-wss-550/ 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 wss-550-2d-cad-drawing.dwg; wss-550-2d-pdf.pdf; wss-550-3d-step-files.stp identifies this instrumentation or control-connection reference. ## In plain English ### Using the WSS 500 and WSS 550 reference DEIF WSS 500 and WSS 550: instrumentation or control-connection reference for instrument and control-system connections. Manufacturer reference wss-550-2d-cad-drawing.dwg; wss-550-2d-pdf.pdf; wss-550-3d-step-files.stp. ### A simple example Use wss-550-2d-cad-drawing.dwg for editable DWG drawing geometry. Keep its original layers and dimension annotations when inserting the drawing. ### What the drawings help you do Use wss-550-2d-cad-drawing.dwg for editable DWG drawing geometry. Keep its original layers and dimension annotations when inserting the drawing. Use wss-550-2d-pdf.pdf to read the original manufacturer sheet and its annotations. Use wss-550-3d-step-files.stp for the supplied solid assembly in your 3D layout. wss-550-3d-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. ### Before using this reference - Keep the instrument, board and signal configuration named on the sheet. A signal connection drawing does not give an equipment mounting footprint or define a complete control system. ### What can I use the WSS 500 and WSS 550 reference for? Use this instrumentation or control-connection reference for instrument and control-system connections. Keep the instrument, board and signal configuration named on the sheet. A signal connection drawing does not give an equipment mounting footprint or define a complete control system. ### Which manufacturer reference identifies this drawing? DEIF reference wss-550-2d-cad-drawing.dwg; wss-550-2d-pdf.pdf; wss-550-3d-step-files.stp. The file list retains the original source and recorded revision. ### Terms Concept diagram: Identify WSS 500 and WSS 550 → Select the drawing or model → Check the mounting interface Manufacturer reference wss-550-2d-cad-drawing.dwg; wss-550-2d-pdf.pdf; wss-550-3d-step-files.stp identifies this instrumentation or control-connection reference. - [DEIF source](https://www.deif.com/documentation/wss-500-and-wss-550/) ## Which file should I choose? Use wss-550-2d-cad-drawing.dwg for editable DWG drawing geometry. Keep its original layers and dimension annotations when inserting the drawing. Use wss-550-2d-pdf.pdf to read the original manufacturer sheet and its annotations. Use wss-550-3d-step-files.stp for the supplied solid assembly in your 3D layout. wss-550-3d-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. ## Official files - wss-550-2d-cad-drawing.dwg (DWG): https://deif-cdn-umbraco.azureedge.net/media/4qaheukm/wss-550-2d-cad-drawing.dwg?rnd=133838293162230000&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/4qaheukm/wss-550-2d-cad-drawing.dwg?rnd=133838293162230000&v=9, https://www.deif.com/terms-of-use/ Purpose: Manufacturer drawing reference wss-550-2d-cad-drawing.dwg; acquired: true; redistribution: restricted; SHA-256: d4be9a68420534a2421521e478f5aa01f9cba883c2648e31ef81557578fc4f16; revision: not recorded - wss-550-2d-pdf.pdf (PDF): https://deif-cdn-umbraco.azureedge.net/media/odskbnr4/wss-550-2d-pdf.pdf?rnd=133838290690200000&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/odskbnr4/wss-550-2d-pdf.pdf?rnd=133838290690200000&v=9, https://www.deif.com/terms-of-use/ Purpose: Manufacturer drawing reference wss-550-2d-pdf.pdf; acquired: true; redistribution: restricted; SHA-256: 199c0de64309094912927165f592dbb06d856ecf1b19a361da5c9aa6659699da; revision: not recorded - wss-550-3d-step-files.stp (STEP): https://deif-cdn-umbraco.azureedge.net/media/3opbl4bf/wss-550-3d-step-files.stp?rnd=133957406013170000&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/3opbl4bf/wss-550-3d-step-files.stp?rnd=133957406013170000&v=9, https://www.deif.com/terms-of-use/ Purpose: Manufacturer drawing reference wss-550-3d-step-files.stp; acquired: true; redistribution: restricted; SHA-256: c6368789989ed892a31eaa93358c32ca2aed0861ea717c86b87e40ee948d108f; revision: not recorded - wss-550-3d-pdf.pdf (PDF): https://deif-cdn-umbraco.azureedge.net/media/dvnlz03t/wss-550-3d-pdf.pdf?rnd=133838291996300000&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/dvnlz03t/wss-550-3d-pdf.pdf?rnd=133838291996300000&v=9, https://www.deif.com/terms-of-use/ Purpose: Manufacturer drawing reference wss-550-3d-pdf.pdf; acquired: true; redistribution: restricted; SHA-256: a0f875253d7c76897550a61e2365b8952d769ae8e6caa8f6db34e5298cd24dc5; revision: not recorded Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.