# E4.2/E4.3 III W FLAT TERM 4000A LOWER ABB E4.2/E4.3 III W FLAT TERM 4000A LOWER: breaker or breaker-accessory reference for breaker compartment and mounting interfaces. Manufacturer reference 1SDH001252R0446. ## Equipment and file summary Equipment / resource: E4.2/E4.3 III W FLAT TERM 4000A LOWER Manufacturer: ABB Resource type: Named drawing reference Manufacturer drawing: 1SDH001252R0446 Source configurations grouped on this page: E4.2/E4.3 III W FLAT TERM 4000A LOWER; E4.2/E4.3 III W FLAT TERM 4000A UPPER Manufacturer reference: 1SDH001252R0446 Document revision: - Model envelope: 1SDH001252R0446.stp: 332 × 98.4 × 80 mm (approximate X × Y × Z bounds of the tessellated source model) Manufacturer reference: 1SDH001252R0445 Model envelope: 1SDH001252R0445.stp: 332 × 98.4 × 80 mm (approximate X × Y × Z bounds of the tessellated source model) Listed file formats: STEP Listed files: 2 Available previews: 2 interactive model variants Recorded revisions: - 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-e4-2-e4-3-iii-w-flat-term-4000a-lower-e6f233a676 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=1SDH001252R0446&LanguageCode=en&LanguageCode=it&DocumentPartId=&Action=Launch&DocumentRevisionId=- Manufacturer evidence: https://search.abb.com/library/Download.aspx?DocumentID=1SDH001252R0446&LanguageCode=en&LanguageCode=it&DocumentPartId=&Action=Launch&DocumentRevisionId=- Source checked: 2026-11-03 2 original files are 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 “E4.2/E4.3 III W FLAT TERM 4000A LOWER”. Keep those frame, mounting and accessory codes with the inserted drawing. ## In plain English ### Using the E4.2/E4.3 III W FLAT TERM 4000A LOWER reference ABB E4.2/E4.3 III W FLAT TERM 4000A LOWER: breaker or breaker-accessory reference for breaker compartment and mounting interfaces. Manufacturer reference 1SDH001252R0446. ### A simple example Use 1SDH001252R0446.stp revision - for the supplied solid assembly in your 3D layout. Match the E4.2/E4.3 III W FLAT TERM 4000A LOWER configuration named by ABB. ### What the drawings help you do Use 1SDH001252R0446.stp revision - for the supplied solid assembly in your 3D layout. Use 1SDH001252R0445.stp revision - for the supplied solid assembly in your 3D layout. Match the E4.2/E4.3 III W FLAT TERM 4000A UPPER configuration named by ABB. ### Before using this reference - The supplied configuration is “E4.2/E4.3 III W FLAT TERM 4000A LOWER”. 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. - 1SDH001252R0446.stp has approximate model bounds of 332 × 98.4 × 80 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. - The supplied configuration is “E4.2/E4.3 III W FLAT TERM 4000A UPPER”. Keep those frame, mounting and accessory codes with the inserted drawing. - 1SDH001252R0445.stp has approximate model bounds of 332 × 98.4 × 80 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. - This page groups 2 source references for the same configuration or model geometry. The file list retains the separate formats and source revisions. ### What can I use the E4.2/E4.3 III W FLAT TERM 4000A LOWER reference for? Use this breaker or breaker-accessory reference for breaker compartment and mounting interfaces. The supplied configuration is “E4.2/E4.3 III W FLAT TERM 4000A LOWER”. Keep those frame, mounting and accessory codes with the inserted drawing. ### Which manufacturer reference identifies this drawing? ABB reference 1SDH001252R0446. The file list retains the original source and recorded revision. ### Terms Concept diagram: Identify E4.2/E4.3 III W FLAT TERM 4000A LOWER → Select the drawing or model → Check the mounting interface The supplied configuration is “E4.2/E4.3 III W FLAT TERM 4000A LOWER”. Keep those frame, mounting and accessory codes with the inserted drawing. - [ABB source](https://search.abb.com/library/Download.aspx?DocumentID=1SDH001252R0446&LanguageCode=en&LanguageCode=it&DocumentPartId=&Action=Launch&DocumentRevisionId=-) ## Which file should I choose? Use 1SDH001252R0446.stp revision - for the supplied solid assembly in your 3D layout. Use 1SDH001252R0445.stp revision - for the supplied solid assembly in your 3D layout. Match the E4.2/E4.3 III W FLAT TERM 4000A UPPER configuration named by ABB. ## Official files - 1SDH001252R0446.stp (STEP): https://search.abb.com/library/Download.aspx?DocumentID=1SDH001252R0446&LanguageCode=en&LanguageCode=it&DocumentPartId=&Action=Launch&DocumentRevisionId=- Site download: https://eloragrid.ai/tools/cad-library/download/abb-e4-2-e4-3-iii-w-flat-term-4000a-lower-e6f233a676/fdfc88bca65f43668ecc 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=1SDH001252R0446&LanguageCode=en&LanguageCode=it&DocumentPartId=&Action=Launch&DocumentRevisionId=- Purpose: Manufacturer drawing reference 1SDH001252R0446; acquired: true; redistribution: unknown; SHA-256: fdfc88bca65f43668ecca66906ded0d9d423f5140e832f45936a65cc7b5c0a58; revision: - - 1SDH001252R0445.stp (STEP): https://search.abb.com/library/Download.aspx?DocumentID=1SDH001252R0445&LanguageCode=en&LanguageCode=it&DocumentPartId=&Action=Launch&DocumentRevisionId=- Site download: https://eloragrid.ai/tools/cad-library/download/abb-e4-2-e4-3-iii-w-flat-term-4000a-lower-e6f233a676/a1e7b1ed30580858dba3 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=1SDH001252R0445&LanguageCode=en&LanguageCode=it&DocumentPartId=&Action=Launch&DocumentRevisionId=- Purpose: Manufacturer drawing reference 1SDH001252R0445; acquired: true; redistribution: unknown; SHA-256: a1e7b1ed30580858dba3525cacc9c0c67082583890807785cd89312cee264f1c; revision: - Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.