{"id":"mean-well-sdr-120","name":"SDR-120 DIN rail power supply","manufacturer":"MEAN WELL","category":"power-supplies","description":"Official SDR-120 DIN rail supply STEP archive for enclosure and terminal-access coordination. The native model is named SDR-120-24; verify applicability before using it for another output-voltage variant.","equipment":["SDR-120 DIN rail power supply"],"keywords":["MEAN WELL","SDR-120","SDR-120-12","SDR-120-24","SDR-120-48","DIN rail","power supply","STEP","cabinet GA","control panel"],"markets":["Global"],"marketNote":"Manufacturer global brand with files served by its official China website. Confirm the selected regional product, voltage and approvals.","kind":"family","partNumber":"SDR-120-12, SDR-120-24, SDR-120-48","sourceUrl":"https://www.meanwell.com.cn/webapp/product/search.aspx?prod=SDR-120","officialEvidenceUrl":"https://www.meanwell.com.cn/webapp/product/search.aspx?prod=SDR-120","sourcePublisher":"MEAN WELL","formats":["STEP","ZIP"],"availability":"direct","accessNote":"Download the unchanged original files from the official publisher using the links below. Confirm the latest revision and selected product configuration before design use.","checkedAt":"2026-10-29","files":[{"id":"mean-well-sdr-120-3d-zip","name":"SDR-120-3D.zip","format":"ZIP","purpose":"Manufacturer 3D enclosure STEP archive","url":"https://www.meanwell.com.cn/upload/pdf/SDR-120/SDR-120-3D.zip","availability":"direct","bytes":3943034,"sha256":"e9df6e0e3ae10fb3be2d03610e9960231f72c948a35012e8d04a48ad33c89e04","retrievedAt":"2026-10-29","validation":"archive-inspected","archiveContents":["SDR-120/SDR-120.stp"],"redistribution":"unknown","rightsReview":{"checkedAt":"2026-10-29","sources":["https://www.meanwell.com.cn/webapp/product/search.aspx?prod=SDR-120","https://www.meanwell.com/serviceDisclaimer.aspx"],"note":"Official manufacturer download page and linked product-liability disclaimer reviewed. ZIP contains only the named STEP, with valid ISO-10303-21 header and no detected reproduction/confidentiality notice or separate licence. No explicit prohibition identified in these inspected materials; redistribution permission remains unconfirmed and no licence is asserted."},"hosted":false}],"fileClasses":["mechanical-layout","installation-outline"],"configurationNote":"This series-level housing model does not distinguish output-voltage ratings. Check the part number and ventilation/installation clearances in the manufacturer documentation before use. The native STEP filename identifies SDR-120-24; listings of other output voltages are not proof of identical mechanical geometry.","equipmentFacts":[{"label":"Equipment / resource","value":"SDR-120 DIN rail power supply"},{"label":"Manufacturer","value":"MEAN WELL"},{"label":"Resource type","value":"Product family"},{"label":"Part number","value":"SDR-120-12, SDR-120-24, SDR-120-48"},{"label":"Listed file formats","value":"STEP, ZIP"},{"label":"Listed files","value":"1"},{"label":"Available previews","value":"Manufacturer source / drawing request"},{"label":"Recorded revisions","value":"Confirm the revision with the manufacturer"},{"label":"Source checked","value":"2026-10-29"},{"label":"Download access","value":"Use the official manufacturer source or request the exact drawing"}],"relatedReferences":[{"name":"MEAN WELL SDR-120 power supply","url":"https://eloragrid.ai/objects/mean-well-sdr-120"},{"name":"DIN-rail AC/DC power supply","url":"https://eloragrid.ai/objects/ga-din-rail-ac-dc-power-supply"},{"name":"AC UPS cabinet","url":"https://eloragrid.ai/objects/ga-ac-ups-cabinet"}],"fileChoiceGuidance":["Start with SDR-120-12, SDR-120-24, SDR-120-48. The files above belong to MEAN WELL's SDR-120 DIN rail power supply resource; match any model or option suffix in the filename to your selected unit.","Available here: ZIP. The original filename is SDR-120-3D.zip."],"plainEnglish":{"title":"What the equipment does","introduction":"A power supply turns incoming electrical power into the voltage and form needed by connected equipment.","example":"In a switchgear control panel, an AC-to-DC power supply can provide DC power for relays, controller modules and indication circuits.","drawings":"Use an outline or mounting drawing to plan where the equipment fits and where it attaches. Use a connection drawing to trace its electrical interfaces. A 3D model helps coordinate space; check the manufacturer's installation requirements separately.","terms":[{"name":"CAD","meaning":"Computer-aided design files used to prepare drawings and models."},{"name":"Revision","meaning":"The recorded version of a drawing or model."}],"diagram":"flow","steps":["Incoming supply","Power supply","Required control power"],"caption":"A simplified explanation of how this item works. It does not show terminal wiring or an operating procedure.","sources":[{"label":"MEAN WELL official source","url":"https://www.meanwell.com.cn/webapp/product/search.aspx?prod=SDR-120"}],"profileId":"power-supply"},"canonicalUrl":"https://eloragrid.ai/tools/cad-library/equipment/mean-well-sdr-120"}