{"id":"abb-3d-step-ovr-t1-t2-busbar-tt-afb2d5de70","name":"STEP OVR+ T1-T2 busbar TT","manufacturer":"ABB","category":"breakers","description":"ABB STEP OVR+ T1-T2 busbar TT: breaker or breaker-accessory reference for breaker compartment and mounting interfaces. Manufacturer reference 9AKK108472A6253.","equipment":["STEP OVR+ T1-T2 busbar TT"],"keywords":["3D STEP OVR+ T1-T2 busbar TT","","9AKK108472A6253","Connections, wiring and earthing","breaker","breaker compartment and mounting interfaces","breaker or breaker-accessory 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=9AKK108472A6253&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A","officialEvidenceUrl":"https://search.abb.com/library/Download.aspx?DocumentID=9AKK108472A6253&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":"2026-11-03","files":[{"id":"2ea95674953ceca51f99","name":"9AKK108472A6253_en_A_3D_STEP_OVR_PLUS_T1_T2_busbar_TT.stp","format":"STEP","purpose":"Manufacturer drawing reference 9AKK108472A6253","url":"https://search.abb.com/library/Download.aspx?DocumentID=9AKK108472A6253&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A","availability":"direct","sha256":"2ea95674953ceca51f994aa1ebbcc29d3fa74658a92b291eafe1c503192231be","bytes":502552,"retrievedAt":"2026-11-03T01:52:36.499269Z","filenameBasis":"response-header","revision":"A","hosted":true,"redistribution":"unknown","validation":"signature-checked","documentNumber":"9AKK108472A6253","latestRevisionUrl":"https://search.abb.com/library/Download.aspx?DocumentID=9AKK108472A6253&LanguageCode=en&DocumentPartId=&Action=Launch","rightsReview":{"checkedAt":"2026-11-04","sources":["https://search.abb.com/library/Download.aspx?DocumentID=9AKK108472A6253&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=9AKK108472A6253&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A","attribution":"ABB"},"delivery":{"kind":"original","name":"9AKK108472A6253_en_A_3D_STEP_OVR_PLUS_T1_T2_busbar_TT.stp","format":"STEP","sha256":"2ea95674953ceca51f994aa1ebbcc29d3fa74658a92b291eafe1c503192231be","bytes":502552,"includes":["9AKK108472A6253_en_A_3D_STEP_OVR_PLUS_T1_T2_busbar_TT.stp"]},"downloadUrl":"https://eloragrid.ai/tools/cad-library/download/abb-3d-step-ovr-t1-t2-busbar-tt-afb2d5de70/2ea95674953ceca51f99"}],"fileClasses":["manufacturer STEP file"],"configurationNote":"The supplied configuration is “STEP OVR+ T1-T2 busbar TT”. Keep those frame, mounting and accessory codes with the inserted drawing.","technicalFacts":[{"label":"Manufacturer reference","value":"9AKK108472A6253","sourceUrl":"https://search.abb.com/library/Download.aspx?DocumentID=9AKK108472A6253&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A"},{"label":"Document revision","value":"A","sourceUrl":"https://search.abb.com/library/Download.aspx?DocumentID=9AKK108472A6253&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A"},{"label":"Model envelope: 9AKK108472A6253_en_A_3D_STEP_OVR_PLUS_T1_T2_busbar_TT.stp","value":"31.5 × 168 × 47.3 mm (approximate X × Y × Z bounds of the tessellated source model)","sourceUrl":"https://search.abb.com/library/Download.aspx?DocumentID=9AKK108472A6253&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A"}],"drawingNumber":"9AKK108472A6253","equipmentFacts":[{"label":"Equipment / resource","value":"STEP OVR+ T1-T2 busbar TT"},{"label":"Manufacturer","value":"ABB"},{"label":"Resource type","value":"Named drawing reference"},{"label":"Manufacturer drawing","value":"9AKK108472A6253"},{"label":"Manufacturer reference","value":"9AKK108472A6253"},{"label":"Document revision","value":"A"},{"label":"Model envelope: 9AKK108472A6253_en_A_3D_STEP_OVR_PLUS_T1_T2_busbar_TT.stp","value":"31.5 × 168 × 47.3 mm (approximate X × Y × Z bounds of the tessellated source model)"},{"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":"2026-11-03"},{"label":"Download access","value":"Email registration for site downloads; official source links are also available"}],"previewImage":"/tools/cad-library/preview/abb-3d-step-ovr-t1-t2-busbar-tt-afb2d5de70/2ea95674953ceca51f99?asset=2ea95674953ceca51f994aa1ebbcc29d3fa74658a92b291eafe1c503192231be&view=thumb&v=b61e189bfc484c13","relatedReferences":[{"name":"Air circuit breaker","url":"https://eloragrid.ai/objects/ga-air-circuit-breaker"},{"name":"Moulded-case circuit breaker","url":"https://eloragrid.ai/objects/ga-moulded-case-circuit-breaker"}],"fileChoiceGuidance":["Use 9AKK108472A6253_en_A_3D_STEP_OVR_PLUS_T1_T2_busbar_TT.stp revision A for the supplied solid assembly in your 3D layout."],"plainEnglish":{"title":"Using the STEP OVR+ T1-T2 busbar TT reference","introduction":"ABB STEP OVR+ T1-T2 busbar TT: breaker or breaker-accessory reference for breaker compartment and mounting interfaces. Manufacturer reference 9AKK108472A6253.","example":"Use 9AKK108472A6253_en_A_3D_STEP_OVR_PLUS_T1_T2_busbar_TT.stp revision A for the supplied solid assembly in your 3D layout. Match the 3D STEP OVR+ T1-T2 busbar TT configuration named by ABB.","drawings":"Use 9AKK108472A6253_en_A_3D_STEP_OVR_PLUS_T1_T2_busbar_TT.stp revision A for the supplied solid assembly in your 3D layout.","terms":[],"diagram":"flow","steps":["Identify STEP OVR+ T1-T2 busbar TT","Select the drawing or model","Check the mounting interface"],"caption":"The supplied configuration is “STEP OVR+ T1-T2 busbar TT”. Keep those frame, mounting and accessory codes with the inserted drawing.","sources":[{"label":"ABB source","url":"https://search.abb.com/library/Download.aspx?DocumentID=9AKK108472A6253&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A"}],"questions":[{"question":"What can I use the STEP OVR+ T1-T2 busbar TT reference for?","answer":"Use this breaker or breaker-accessory reference for breaker compartment and mounting interfaces. The supplied configuration is “STEP OVR+ T1-T2 busbar TT”. Keep those frame, mounting and accessory codes with the inserted drawing."},{"question":"Which manufacturer reference identifies this drawing?","answer":"ABB reference 9AKK108472A6253. The file list retains the original source and recorded revision."}],"checklist":["The supplied configuration is “STEP OVR+ T1-T2 busbar TT”. Keep those frame, mounting and accessory codes with the inserted drawing.","Use the exact frame, pole and mounting configuration named by this reference. Door drilling, connection and accessory drawings describe those interfaces rather than a complete switchboard.","9AKK108472A6253_en_A_3D_STEP_OVR_PLUS_T1_T2_busbar_TT.stp has approximate model bounds of 31.5 × 168 × 47.3 mm (approximate X × Y × Z bounds of the tessellated source model). Compare these model axes with the installation orientation; mounting and service clearances are separate requirements."]},"canonicalUrl":"https://eloragrid.ai/tools/cad-library/equipment/abb-3d-step-ovr-t1-t2-busbar-tt-afb2d5de70"}