{"id":"abb-3d-step-e291s-sequential-latching-relay-d64392cb7a","name":"STEP E291S sequential latching relay","manufacturer":"ABB","category":"protection","description":"ABB STEP E291S sequential latching relay: protection or metering reference for protection-panel and metering arrangement. Manufacturer reference 9AKK107492A7127.","equipment":["STEP E291S sequential latching relay"],"keywords":["3D STEP E291S sequential latching relay","","9AKK107492A7127","Protection, control and metering","protection","protection-panel and metering arrangement","protection or metering reference"],"markets":["Global"],"marketNote":"Confirm the exact regional configuration against the selected manufacturer drawing.","kind":"drawing","sourceUrl":"https://search.abb.com/library/Download.aspx?DocumentID=9AKK107492A7127&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A","officialEvidenceUrl":"https://search.abb.com/library/Download.aspx?DocumentID=9AKK107492A7127&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A","sourcePublisher":"ABB","formats":["STEP"],"availability":"direct","accessNote":"1 original file is available to download here. Manufacturer sources and revisions are listed below.","checkedAt":"2026-11-04","files":[{"id":"212c43b92911933b3826","name":"E291S.step","format":"STEP","purpose":"Manufacturer drawing reference 9AKK107492A7127","url":"https://search.abb.com/library/Download.aspx?DocumentID=9AKK107492A7127&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A","availability":"direct","sha256":"212c43b92911933b382619ed9dbc85723b720cd6209fccbc8a6fb8296da11377","bytes":14037441,"retrievedAt":"2026-11-04T01:15:40Z","filenameBasis":"response-header","revision":"A","hosted":true,"redistribution":"unknown","validation":"signature-checked","documentNumber":"9AKK107492A7127","latestRevisionUrl":"https://search.abb.com/library/Download.aspx?DocumentID=9AKK107492A7127&LanguageCode=en&DocumentPartId=&Action=Launch","rightsReview":{"checkedAt":"2026-11-04","sources":["https://search.abb.com/library/Download.aspx?DocumentID=9AKK107492A7127&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A"],"note":"Reviewed the available source, embedded drawing text and archive notices. No explicit applicable redistribution prohibition was identified. Rights remain unknown; no licence or manufacturer endorsement is asserted."},"hostingBasis":{"policy":"no-explicit-prohibition","checkedAt":"2026-11-04","evidenceUrl":"https://search.abb.com/library/Download.aspx?DocumentID=9AKK107492A7127&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A","attribution":"ABB"},"delivery":{"kind":"original","name":"E291S.step","format":"STEP","sha256":"212c43b92911933b382619ed9dbc85723b720cd6209fccbc8a6fb8296da11377","bytes":14037441,"includes":["E291S.step"]},"downloadUrl":"https://eloragrid.ai/tools/cad-library/download/abb-3d-step-e291s-sequential-latching-relay-d64392cb7a/212c43b92911933b3826"}],"fileClasses":["manufacturer STEP file"],"configurationNote":"Manufacturer reference 9AKK107492A7127 identifies this protection or metering reference.","technicalFacts":[{"label":"Manufacturer reference","value":"9AKK107492A7127","sourceUrl":"https://search.abb.com/library/Download.aspx?DocumentID=9AKK107492A7127&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A"},{"label":"Document revision","value":"A","sourceUrl":"https://search.abb.com/library/Download.aspx?DocumentID=9AKK107492A7127&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A"}],"drawingNumber":"9AKK107492A7127","equipmentFacts":[{"label":"Equipment / resource","value":"STEP E291S sequential latching relay"},{"label":"Manufacturer","value":"ABB"},{"label":"Resource type","value":"Named drawing reference"},{"label":"Manufacturer drawing","value":"9AKK107492A7127"},{"label":"Manufacturer reference","value":"9AKK107492A7127"},{"label":"Document revision","value":"A"},{"label":"Listed file formats","value":"STEP"},{"label":"Listed files","value":"1"},{"label":"Available previews","value":"1 interactive model variants"},{"label":"Recorded revisions","value":"A"},{"label":"Source checked","value":"2026-11-04"},{"label":"Download access","value":"Email registration for site downloads; official source links are also available"}],"previewImage":"/tools/cad-library/preview/abb-3d-step-e291s-sequential-latching-relay-d64392cb7a/212c43b92911933b3826?asset=212c43b92911933b382619ed9dbc85723b720cd6209fccbc8a6fb8296da11377&view=thumb&v=ba8fc17898ab339a","relatedReferences":[{"name":"Protection relay IED","url":"https://eloragrid.ai/objects/ga-protection-relay-ied"},{"name":"Power quality meter","url":"https://eloragrid.ai/objects/ga-power-quality-meter"}],"fileChoiceGuidance":["Use E291S.step revision A for the supplied solid assembly in your 3D layout."],"plainEnglish":{"title":"Using the STEP E291S sequential latching relay reference","introduction":"ABB STEP E291S sequential latching relay: protection or metering reference for protection-panel and metering arrangement. Manufacturer reference 9AKK107492A7127.","example":"Use E291S.step revision A for the supplied solid assembly in your 3D layout. Match the 3D STEP E291S sequential latching relay configuration named by ABB.","drawings":"Use E291S.step revision A for the supplied solid assembly in your 3D layout.","terms":[],"diagram":"flow","steps":["Identify STEP E291S sequential latching relay","Select the drawing or model","Check the mounting interface"],"caption":"Manufacturer reference 9AKK107492A7127 identifies this protection or metering reference.","sources":[{"label":"ABB source","url":"https://search.abb.com/library/Download.aspx?DocumentID=9AKK107492A7127&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A"}],"questions":[{"question":"What can I use the STEP E291S sequential latching relay reference for?","answer":"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."},{"question":"Which manufacturer reference identifies this drawing?","answer":"ABB reference 9AKK107492A7127. The file list retains the original source and recorded revision."}],"checklist":["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."]},"canonicalUrl":"https://eloragrid.ai/tools/cad-library/equipment/abb-3d-step-e291s-sequential-latching-relay-d64392cb7a"}