{"schemaVersion":1,"slug":"mean-well-wdr-120","name":"MEAN WELL WDR-120 DIN rail power supply","kind":"object","abbreviation":"WDR-120","aliases":["MEAN WELL WDR-120 DIN rail power supply GA","WDR-120 layout","WDR-120 CAD","WDR-120 general arrangement"],"category":"equipment-layouts","drawingTypes":["GA"],"referenceFamilies":["Manufacturer"],"summary":"WDR-120 power-supply envelope and terminal-access reference for panel layouts.","description":["The native housing model is a placement reference; confirm the exact input range, output rating and mounting clearances from the current specification.","Use the linked manufacturer mechanical original for dimensions and exact revision. This illustration is independently drawn, unitless and not to scale."],"readingNotes":["Reserve input/output wiring approach and mounting-release access.","The WDR-120 series model is not proof of identical mounting or geometry for adjacent product series or every output-voltage variant."],"drawingChecklist":["Identify WDR-120 and the selected output-voltage variant.","Reserve input/output wiring approach and mounting-release access.","Check manufacturer ventilation spacing and service removal."],"distinction":"The WDR-120 series model is not proof of identical mounting or geometry for adjacent product series or every output-voltage variant.","facts":[{"label":"Manufacturer","value":"MEAN WELL"},{"label":"Drawing group","value":"WDR-120"},{"label":"Drawing scope","value":"Series-level manufacturer mechanical resource; select exact voltage and revision"},{"label":"Manufacturer index aliases","value":"WDR-120-12, WDR-120-24, WDR-120-48"},{"label":"Illustration","value":"Original conceptual envelope; no measured geometry or certification claim"}],"references":[{"sourceId":"ga-scale-mean-well-wdr-120","relevance":"Official drawing identity and configuration scope. Coordination notes and illustration are original educational material."}],"related":["ga-din-rail-ac-dc-power-supply","ga-equipment-maintenance-envelope"],"artwork":"edu-object-mean-well-wdr-120","publishedOn":"2026-10-29","updatedOn":"2026-10-29","provenance":"independent-public-research","plainEnglish":{"title":"What it 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 the selected manufacturer's drawings to check the equipment's size, mounting points and cable connections. The layout helps you plan where it fits and how it can be reached for maintenance. An illustrative 3D preview does not establish product dimensions or required clearances.","terms":[{"name":"Voltage","meaning":"The electrical potential difference between two points, measured in volts."},{"name":"Rating","meaning":"A value stating the conditions for which equipment is specified."},{"name":"Schematic","meaning":"A drawing showing function and connections rather than physical appearance."}],"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 WDR-120 DIN rail power supply: official mechanical resource","url":"https://www.meanwell.com.cn/webapp/product/search.aspx?prod=WDR-120"}],"profileId":"power-supply"},"url":"https://eloragrid.ai/objects/mean-well-wdr-120","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/equipment-preview/mean-well-wdr-120","scope":"Equipment preview: manufacturer drawing where available, otherwise a 3D thumbnail. Original object icon exports are removed."},"drawings":[],"sources":[{"id":"ga-scale-mean-well-wdr-120","title":"MEAN WELL WDR-120 DIN rail power supply: official mechanical resource","publisher":"MEAN WELL","url":"https://www.meanwell.com.cn/webapp/product/search.aspx?prod=WDR-120","type":"manufacturer","scope":"Published model identity, mechanical drawing group and variant scope.","checkedOn":"2026-10-29","reuse":"link-only","relevance":"Official drawing identity and configuration scope. Coordination notes and illustration are original educational material."}]}