# OVR+ T1-T2 busbar TNC OVR+ T1-T2 busbar TNC: ABB manufacturer STEP resource, document 9AKK108472A0065, revision A. Use it to coordinate the breaker, switch or accessory arrangement in the switchgear assembly. ## Equipment and file summary Equipment / resource: OVR+ T1-T2 busbar TNC Manufacturer: ABB Resource type: Named drawing reference Manufacturer drawing: 9AKK108472A0065 Model extents (X × Y × Z, mm): 34.0 × 113.0 × 26.4 Listed file formats: STEP Listed files: 1 Available previews: 1 interactive model variants Recorded revisions: A Source checked: 2026-11-03 Download access: Email registration for site downloads; official source links are also available ## Related GA references - [Protection relay IED](https://eloragrid.ai/objects/ga-protection-relay-ied) - [Power quality meter](https://eloragrid.ai/objects/ga-power-quality-meter) Canonical page: https://eloragrid.ai/tools/cad-library/equipment/abb-ovr-t1-t2-busbar-tnc-cb323ae0 Manufacturer: ABB Entry type: Named drawing reference Part number: Not specified — select exact configuration Category: Protection & metering Formats: STEP Market discovery: Global Access: Direct download Official source: https://search.abb.com/library/Download.aspx?DocumentID=9AKK108472A0065&LanguageCode=en&DocumentPartId=&Action=Launch Manufacturer evidence: https://search.abb.com/library/Download.aspx?DocumentID=9AKK108472A0065&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Source checked: 2026-11-03 Download the verified original here. The manufacturer source is linked for revision checks; preview images are for inspection and the original drawing supplies the design dimensions. Manufacturer library discovery does not establish regional certification. Match the listed frame, terminal arrangement and accessories to the project. Original STEP 3D geometry for OVR+ T1-T2 busbar TNC; ABB document 9AKK108472A0065 ## In plain English ### What the equipment does A busbar is a common electrical connection that distributes power to several circuits. Its supports and enclosure keep the conductors in their intended positions. ### A simple example When coordinating OVR+ T1-T2 busbar TNC in switchgear, place the documented arrangement beside the adjacent equipment and compare its fixing and connection access with the source drawing. The supplied model spans 34.0 × 113.0 × 26.4 mm along its own X, Y and Z axes. ### What the drawings help you do Use 9AKK108472A0065_en_A_3D_STEP_OVR_PLUS_T1_T2_busbar_TNC.stp for OVR+ T1-T2 busbar TNC. STEP is the supplied editable 3D exchange file; the browser model is a simplified display preview. Match ABB document 9AKK108472A0065 revision A when checking a replacement. ### Before using this reference - Match the configuration named “OVR+ T1-T2 busbar TNC”; terminal direction, mounting version and pole options can change the outline. - Use ABB document 9AKK108472A0065, revision A, to check the mounting and connection details before placing this item in the assembly. - The supplied model spans 34.0 × 113.0 × 26.4 mm along its own X, Y and Z axes. These are model extents, not installation clearances. ### Which ABB source identifies OVR+ T1-T2 busbar TNC? The acquired file is 9AKK108472A0065_en_A_3D_STEP_OVR_PLUS_T1_T2_busbar_TNC.stp, document 9AKK108472A0065, revision A. The manufacturer source and pinned original link appear below. ### Does the preview establish installation clearances? No. The supplied model spans 34.0 × 113.0 × 26.4 mm along its own X, Y and Z axes. Use the installation requirements for OVR+ T1-T2 busbar TNC and the selected assembly to reserve cable and service access. ### Terms - CAD: Computer-aided design files used to prepare drawings and models. - Revision: The recorded version of a drawing or model. Concept diagram: Identify the named configuration → Check the manufacturer drawing → Coordinate mounting and connections A simplified explanation of how this item works. It does not show terminal wiring or an operating procedure. - [ABB official source](https://search.abb.com/library/Download.aspx?DocumentID=9AKK108472A0065&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A) ## Which file should I choose? Use 9AKK108472A0065_en_A_3D_STEP_OVR_PLUS_T1_T2_busbar_TNC.stp for OVR+ T1-T2 busbar TNC. STEP is the supplied editable 3D exchange file; the browser model is a simplified display preview. Match ABB document 9AKK108472A0065 revision A when checking a replacement. ## Official files - 9AKK108472A0065_en_A_3D_STEP_OVR_PLUS_T1_T2_busbar_TNC.stp (STEP): https://search.abb.com/library/Download.aspx?DocumentID=9AKK108472A0065&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Site download: https://eloragrid.ai/tools/cad-library/download/abb-ovr-t1-t2-busbar-tnc-cb323ae0/original Hosting basis: no-explicit-prohibition; publisher attribution: ABB; reviewed: 2026-11-03 Rights review: Public ABB Library metadata, original file header and extracted document notices were inspected. No explicit prohibition was identified in this specific original or the library terms link. Copyright remains with ABB; no redistribution licence is asserted.; evidence: https://library.abb.com/, https://library.abb.com/privacy, https://search.abb.com/library/Download.aspx?DocumentID=9AKK108472A0065&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Purpose: Original STEP 3D geometry for OVR+ T1-T2 busbar TNC; ABB document 9AKK108472A0065; acquired: true; redistribution: unknown; SHA-256: 78e5d34c990c221444f739aac253f96d4db47818b9dbad66e906baeb31b1514d; revision: A Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.