# UVD - Electronic time lag device for undervoltage coils (YU) XT1...XT4 ABB UVD - Electronic time lag device for undervoltage coils (YU) XT1...XT4: breaker or breaker-accessory reference for breaker compartment and mounting interfaces. Manufacturer reference 1SDH002308A1001. ## Equipment and file summary Equipment / resource: UVD - Electronic time lag device for undervoltage coils (YU) XT1...XT4 Manufacturer: ABB Resource type: Named drawing reference Manufacturer drawing: 1SDH002308A1001 Manufacturer reference: 1SDH002308A1001 Document revision: A Model envelope: 1SDH002308A1001.stp: 71.2 × 73 × 95.1 mm (approximate X × Y × Z bounds of the tessellated source model) 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 - [Air circuit breaker](https://eloragrid.ai/objects/ga-air-circuit-breaker) - [Moulded-case circuit breaker](https://eloragrid.ai/objects/ga-moulded-case-circuit-breaker) Canonical page: https://eloragrid.ai/tools/cad-library/equipment/abb-uvd-electronic-time-lag-device-for-undervoltage-coils-yu-xt1-xt4-b5e0a84f84 Manufacturer: ABB Entry type: Named drawing reference Part number: Not specified — select exact configuration Category: Breakers & accessories Formats: STEP Market discovery: Global Access: Direct download Official source: https://search.abb.com/library/Download.aspx?DocumentID=1SDH002308A1001&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Manufacturer evidence: https://search.abb.com/library/Download.aspx?DocumentID=1SDH002308A1001&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Source checked: 2026-11-03 1 original file is available to download here. Manufacturer sources and revisions are listed below. Confirm the exact regional configuration against the selected manufacturer drawing. The supplied configuration is “UVD - Electronic time lag device for undervoltage coils (YU) XT1...XT4”. Keep those frame, mounting and accessory codes with the inserted drawing. ## In plain English ### Using the UVD - Electronic time lag device for undervoltage coils (YU) XT1...XT4 reference ABB UVD - Electronic time lag device for undervoltage coils (YU) XT1...XT4: breaker or breaker-accessory reference for breaker compartment and mounting interfaces. Manufacturer reference 1SDH002308A1001. ### A simple example Use 1SDH002308A1001.stp revision A for the supplied solid assembly in your 3D layout. Match the UVD - Electronic time lag device for undervoltage coils (YU) XT1...XT4 configuration named by ABB. ### What the drawings help you do Use 1SDH002308A1001.stp revision A for the supplied solid assembly in your 3D layout. ### Before using this reference - The supplied configuration is “UVD - Electronic time lag device for undervoltage coils (YU) XT1...XT4”. 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. - 1SDH002308A1001.stp has approximate model bounds of 71.2 × 73 × 95.1 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. ### What can I use the UVD - Electronic time lag device for undervoltage coils (YU) XT1...XT4 reference for? Use this breaker or breaker-accessory reference for breaker compartment and mounting interfaces. The supplied configuration is “UVD - Electronic time lag device for undervoltage coils (YU) XT1...XT4”. Keep those frame, mounting and accessory codes with the inserted drawing. ### Which manufacturer reference identifies this drawing? ABB reference 1SDH002308A1001. The file list retains the original source and recorded revision. ### Terms Concept diagram: Identify UVD - Electronic time lag device for undervoltage coils (YU) XT1...XT4 → Select the drawing or model → Check the mounting interface The supplied configuration is “UVD - Electronic time lag device for undervoltage coils (YU) XT1...XT4”. Keep those frame, mounting and accessory codes with the inserted drawing. - [ABB source](https://search.abb.com/library/Download.aspx?DocumentID=1SDH002308A1001&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A) ## Which file should I choose? Use 1SDH002308A1001.stp revision A for the supplied solid assembly in your 3D layout. ## Official files - 1SDH002308A1001.stp (STEP): https://search.abb.com/library/Download.aspx?DocumentID=1SDH002308A1001&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Site download: https://eloragrid.ai/tools/cad-library/download/abb-uvd-electronic-time-lag-device-for-undervoltage-coils-yu-xt1-xt4-b5e0a84f84/08b61865665c9f243727 Hosting basis: no-explicit-prohibition; publisher attribution: ABB; reviewed: 2026-11-04 Rights review: 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.; evidence: https://search.abb.com/library/Download.aspx?DocumentID=1SDH002308A1001&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Purpose: Manufacturer drawing reference 1SDH002308A1001; acquired: true; redistribution: unknown; SHA-256: 08b61865665c9f243727a2ac3aa5dab1b5511828c9dca1609bc888737e571bce; revision: A Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.