# E1.2/E1.3 IV W TERMINALS VR LOWER ABB E1.2/E1.3 IV W TERMINALS VR LOWER: breaker connection or accessory reference for breaker compartment and mounting interfaces. Manufacturer reference 1SDH001252R0081. ## Equipment and file summary Equipment / resource: E1.2/E1.3 IV W TERMINALS VR LOWER Manufacturer: ABB Resource type: Named drawing reference Manufacturer drawing: 1SDH001252R0081 Source configurations grouped on this page: E1.2/E1.3 IV W TERMINALS VR LOWER; E1.2/E1.3 IV W TERMINALS VR UPPER Manufacturer reference: 1SDH001252R0081 Document revision: A Model envelope: 1SDH001252R0081_1PA_001_00_E1.2_IV_W_TERMINALS_VR_LOWER.stp: 254 × 48.5 × 44 mm (approximate X × Y × Z bounds of the tessellated source model) Manufacturer reference: 1SDH001252R0082 Model envelope: 1SDH001252R0082_1PA_001_00_E1.2_IV_W_TERMINALS_VR_UPPER.stp: 254 × 48.5 × 44 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: 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-e1-2-e1-3-iv-w-terminals-vr-lower-0070910e78 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=1SDH001252R0081&LanguageCode=en&LanguageCode=it&DocumentPartId=&Action=Launch&DocumentRevisionId=A Manufacturer evidence: https://search.abb.com/library/Download.aspx?DocumentID=1SDH001252R0081&LanguageCode=en&LanguageCode=it&DocumentPartId=&Action=Launch&DocumentRevisionId=A 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. This reference covers the connection or accessory named in “E1.2/E1.3 IV W TERMINALS VR LOWER”. It is not the complete breaker-and-compartment assembly. The supplied configuration is “E1.2/E1.3 IV W TERMINALS VR LOWER”. Keep those frame, mounting and accessory codes with the inserted drawing. ## In plain English ### Using the E1.2/E1.3 IV W TERMINALS VR LOWER reference ABB E1.2/E1.3 IV W TERMINALS VR LOWER: breaker connection or accessory reference for breaker compartment and mounting interfaces. Manufacturer reference 1SDH001252R0081. ### A simple example Use 1SDH001252R0081_1PA_001_00_E1.2_IV_W_TERMINALS_VR_LOWER.stp revision A for the supplied solid assembly in your 3D layout. Match the E1.2/E1.3 IV W TERMINALS VR LOWER configuration named by ABB. ### What the drawings help you do Use 1SDH001252R0081_1PA_001_00_E1.2_IV_W_TERMINALS_VR_LOWER.stp revision A for the supplied solid assembly in your 3D layout. Use 1SDH001252R0082_1PA_001_00_E1.2_IV_W_TERMINALS_VR_UPPER.stp revision A for the supplied solid assembly in your 3D layout. Match the E1.2/E1.3 IV W TERMINALS VR UPPER configuration named by ABB. ### Before using this reference - This reference covers the connection or accessory named in “E1.2/E1.3 IV W TERMINALS VR LOWER”. It is not the complete breaker-and-compartment assembly. - The supplied configuration is “E1.2/E1.3 IV W TERMINALS VR 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. - 1SDH001252R0081_1PA_001_00_E1.2_IV_W_TERMINALS_VR_LOWER.stp has approximate model bounds of 254 × 48.5 × 44 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 reference covers the connection or accessory named in “E1.2/E1.3 IV W TERMINALS VR UPPER”. It is not the complete breaker-and-compartment assembly. - The supplied configuration is “E1.2/E1.3 IV W TERMINALS VR UPPER”. Keep those frame, mounting and accessory codes with the inserted drawing. - 1SDH001252R0082_1PA_001_00_E1.2_IV_W_TERMINALS_VR_UPPER.stp has approximate model bounds of 254 × 48.5 × 44 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 E1.2/E1.3 IV W TERMINALS VR LOWER reference for? Use this breaker connection or accessory reference for breaker compartment and mounting interfaces. This reference covers the connection or accessory named in “E1.2/E1.3 IV W TERMINALS VR LOWER”. It is not the complete breaker-and-compartment assembly. ### Which manufacturer reference identifies this drawing? ABB reference 1SDH001252R0081. The file list retains the original source and recorded revision. ### Terms Concept diagram: Identify E1.2/E1.3 IV W TERMINALS VR LOWER → Select the drawing or model → Check the mounting interface This reference covers the connection or accessory named in “E1.2/E1.3 IV W TERMINALS VR LOWER”. It is not the complete breaker-and-compartment assembly. The supplied configuration is “E1.2/E1.3 IV W TERMINALS VR LOWER”. Keep those frame, mounting and accessory codes with the inserted drawing. - [ABB source](https://search.abb.com/library/Download.aspx?DocumentID=1SDH001252R0081&LanguageCode=en&LanguageCode=it&DocumentPartId=&Action=Launch&DocumentRevisionId=A) ## Which file should I choose? Use 1SDH001252R0081_1PA_001_00_E1.2_IV_W_TERMINALS_VR_LOWER.stp revision A for the supplied solid assembly in your 3D layout. Use 1SDH001252R0082_1PA_001_00_E1.2_IV_W_TERMINALS_VR_UPPER.stp revision A for the supplied solid assembly in your 3D layout. Match the E1.2/E1.3 IV W TERMINALS VR UPPER configuration named by ABB. ## Official files - 1SDH001252R0081_1PA_001_00_E1.2_IV_W_TERMINALS_VR_LOWER.stp (STEP): https://search.abb.com/library/Download.aspx?DocumentID=1SDH001252R0081&LanguageCode=en&LanguageCode=it&DocumentPartId=&Action=Launch&DocumentRevisionId=A Site download: https://eloragrid.ai/tools/cad-library/download/abb-e1-2-e1-3-iv-w-terminals-vr-lower-0070910e78/db33b6564a08f8f8d711 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=1SDH001252R0081&LanguageCode=en&LanguageCode=it&DocumentPartId=&Action=Launch&DocumentRevisionId=A Purpose: Manufacturer drawing reference 1SDH001252R0081; acquired: true; redistribution: unknown; SHA-256: db33b6564a08f8f8d7111f7ab122f20d883fbc7b0aaa8d222d0d17b73020aacf; revision: A - 1SDH001252R0082_1PA_001_00_E1.2_IV_W_TERMINALS_VR_UPPER.stp (STEP): https://search.abb.com/library/Download.aspx?DocumentID=1SDH001252R0082&LanguageCode=en&LanguageCode=it&DocumentPartId=&Action=Launch&DocumentRevisionId=A Site download: https://eloragrid.ai/tools/cad-library/download/abb-e1-2-e1-3-iv-w-terminals-vr-lower-0070910e78/2cc49277094293228cc0 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=1SDH001252R0082&LanguageCode=en&LanguageCode=it&DocumentPartId=&Action=Launch&DocumentRevisionId=A Purpose: Manufacturer drawing reference 1SDH001252R0082; acquired: true; redistribution: unknown; SHA-256: 2cc49277094293228cc08436355c6444ef2c6f46d2eed70bc05634e228d91665; revision: A Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.