{"id":"mfr-abb-os250b21n3-bb1ff99c21","name":"OS250B21N3","manufacturer":"ABB","category":"switchgear","description":"ABB OS250B21N3: original DXF for switching or transfer equipment layouts. Switch-fuse OS250B21N3.","equipment":["switching or transfer equipment","OS250B21N3"],"keywords":["ABB","OS250B21N3","1SCC311642F0001"],"markets":["Global"],"marketNote":"Manufacturer source discovery; confirm the exact regional equipment configuration and certification separately.","kind":"product","sourceUrl":"https://search.abb.com/library/Download.aspx?DocumentID=1SCC311642F0001&LanguageCode=en&DocumentPartId=&Action=Launch","officialEvidenceUrl":"https://search.abb.com/library/Download.aspx?DocumentID=1SCC311642F0001&LanguageCode=en&DocumentPartId=&Action=Launch","sourcePublisher":"ABB","formats":["DXF"],"availability":"direct","accessNote":"Inspected originals are available from this website through the existing download email prompt.","checkedAt":"2026-11-11","files":[{"id":"abb-d27b48caab2680e58199","name":"1SCC311642F0001.dxf","format":"DXF","purpose":"Original manufacturer DXF geometry","url":"https://search.abb.com/library/Download.aspx?DocumentID=1SCC311642F0001&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=-","availability":"direct","bytes":1887035,"sha256":"e771dbc5c41553446a3467e6442ada3ad8368010a055625c18829d18d59b94c4","retrievedAt":"2026-11-11T06:17:47.068832+00:00","sourceCheckedAt":"2026-11-11","validation":"signature-checked","filenameBasis":"document-reference","hosted":true,"redistribution":"unknown","rightsReview":{"checkedAt":"2026-11-11","sources":["https://search.abb.com/library/Download.aspx?DocumentID=1SCC311642F0001&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=-"],"note":"Public manufacturer/supplier CAD original inspected with its included notices; no explicit applicable reproduction prohibition identified. Rights remain unknown."},"hostingBasis":{"policy":"no-explicit-prohibition","checkedAt":"2026-11-11","evidenceUrl":"https://search.abb.com/library/Download.aspx?DocumentID=1SCC311642F0001&LanguageCode=en&DocumentPartId=&Action=Launch","attribution":"ABB"},"delivery":{"kind":"source-bundle","name":"1SCC311642F0001.dxf.zip","format":"ZIP","sha256":"e7e0a8596c8f4fd2fc47f0c037b4bd713df2b3547cd4c10e7b60238c2fdee958","bytes":232981,"includes":["1SCC311642F0001.dxf"]},"documentNumber":"1SCC311642F0001","latestRevisionUrl":"https://search.abb.com/library/Download.aspx?DocumentID=1SCC311642F0001&LanguageCode=en&DocumentPartId=&Action=Launch","previewGroup":"mfr-abb-os250b21n3-bb1ff99c21","downloadUrl":"https://eloragrid.ai/tools/cad-library/download/mfr-abb-os250b21n3-bb1ff99c21/abb-d27b48caab2680e58199"}],"fileClasses":["original manufacturer drawing or model source"],"technicalFacts":[{"label":"Manufacturer configuration","value":"Switch-fuse OS250B21N3","sourceUrl":"https://search.abb.com/library/Download.aspx?DocumentID=1SCC311642F0001&LanguageCode=en&DocumentPartId=&Action=Launch"},{"label":"Manufacturer drawing identity","value":"OS250B21N3","sourceUrl":"https://search.abb.com/library/Download.aspx?DocumentID=1SCC311642F0001&LanguageCode=en&DocumentPartId=&Action=Launch"},{"label":"Source document","value":"1SCC311642F0001","sourceUrl":"https://search.abb.com/library/Download.aspx?DocumentID=1SCC311642F0001&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=-"}],"applications":["switchgear","substations"],"configurationNote":"Switch-fuse OS250B21N3","equipmentFacts":[{"label":"Equipment / resource","value":"OS250B21N3"},{"label":"Manufacturer","value":"ABB"},{"label":"Resource type","value":"Product"},{"label":"Manufacturer configuration","value":"Switch-fuse OS250B21N3"},{"label":"Manufacturer drawing identity","value":"OS250B21N3"},{"label":"Source document","value":"1SCC311642F0001"},{"label":"Listed file formats","value":"DXF"},{"label":"Listed files","value":"1"},{"label":"Available previews","value":"1 drawing previews; approximate 3D model built from the drawing"},{"label":"Recorded revisions","value":"Confirm the revision with the manufacturer"},{"label":"Source checked","value":"2026-11-11"},{"label":"Download access","value":"Email registration for site downloads; official source links are also available"}],"previewImage":"/tools/cad-library/preview/mfr-abb-os250b21n3-bb1ff99c21/abb-d27b48caab2680e58199?asset=e771dbc5c41553446a3467e6442ada3ad8368010a055625c18829d18d59b94c4&view=thumb&v=26c5e6e1a76a3b55","relatedReferences":[{"name":"Switchgear panel","url":"https://eloragrid.ai/objects/switchgear-panel"},{"name":"Switchboard","url":"https://eloragrid.ai/objects/switchboard"},{"name":"Ring main unit","url":"https://eloragrid.ai/objects/ring-main-unit"}],"fileChoiceGuidance":["Use 1SCC311642F0001.dxf to insert the supplied editable drawing into your layout. The ZIP contains the unmodified 1SCC311642F0001.dxf."],"plainEnglish":{"title":"What the equipment does","introduction":"Switchgear groups the devices that connect, disconnect and protect power circuits. A switchboard takes an incoming supply and distributes it to outgoing circuits.","example":"Use 1SCC311642F0001.dxf to insert the supplied editable drawing into your layout. The ZIP contains the unmodified 1SCC311642F0001.dxf.","drawings":"Use 1SCC311642F0001.dxf to insert the supplied editable drawing into your layout. The ZIP contains the unmodified 1SCC311642F0001.dxf.","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":["Identify OS250B21N3","Choose DXF","Check the matching source configuration"],"caption":"A simplified explanation of how this item works. It does not show terminal wiring or an operating procedure.","sources":[{"label":"ABB official source","url":"https://search.abb.com/library/Download.aspx?DocumentID=1SCC311642F0001&LanguageCode=en&DocumentPartId=&Action=Launch"}],"profileId":"switchgear","checklist":["Match the recorded manufacturer configuration: Switch-fuse OS250B21N3","The source was checked on 2026-11-11. Use Documentation & sources to check for a newer issue."],"questions":[{"question":"Which original files are supplied for OS250B21N3?","answer":"1 inspected original for ABB OS250B21N3: 1SCC311642F0001.dxf (DXF). The manufacturer describes this configuration as Switch-fuse OS250B21N3."},{"question":"Where did these ABB files come from?","answer":"ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=1SCC311642F0001&LanguageCode=en&DocumentPartId=&Action=Launch. The source reference, revision, original bytes and checksum are retained with each download."}]},"canonicalUrl":"https://eloragrid.ai/tools/cad-library/equipment/mfr-abb-os250b21n3-bb1ff99c21"}