# SMISSLINE MCB 1P S401 ABB SMISSLINE MCB 1P S401: original DXF / STEP for busbar or distribution hardware layouts. ## Equipment and file summary Equipment / resource: SMISSLINE MCB 1P S401 Manufacturer: ABB Resource type: Product Manufacturer drawing identity: SMISSLINE MCB 1P S401 Named pole configuration: 1P Source document: SMISSLINE TP_S401_2D; revision A Source document: SMISSLINE MCB_S401_1P Source-model envelope: 90.7 × 81.9 × 17.8 mm 2D preview basis: The orthographic views are projected from the manufacturer 3D geometry. They are labelled separately from original dimensioned sheets and do not add manufacturer dimensions. Listed file formats: DXF, STEP Listed files: 2 Available previews: 2 drawing previews; 1 interactive model variants Recorded revisions: A Source checked: 2026-11-11 Download access: Email registration for site downloads; official source links are also available ## Related GA references - [Busbar trunking](https://eloragrid.ai/objects/busbar-trunking) - [Rigid busbar assembly](https://eloragrid.ai/objects/ga-rigid-busbar-assembly) Canonical page: https://eloragrid.ai/tools/cad-library/equipment/mfr-abb-smissline-mcb-1p-s401-df753c9f25 Manufacturer: ABB Entry type: Product Part number: Not specified — select exact configuration Category: Busbar & distribution Formats: DXF, STEP Market discovery: Global Access: Direct download Official source: https://search.abb.com/library/Download.aspx?DocumentID=SMISSLINE%20MCB_S401_1P&LanguageCode=en&DocumentPartId=&Action=Launch Manufacturer evidence: https://search.abb.com/library/Download.aspx?DocumentID=SMISSLINE%20MCB_S401_1P&LanguageCode=en&DocumentPartId=&Action=Launch Source checked: 2026-11-11 Inspected originals are available from this website through the existing download email prompt. Manufacturer source discovery; confirm the exact regional equipment configuration and certification separately. Use the manufacturer configuration named SMISSLINE MCB 1P S401. ## In plain English ### What the equipment does A circuit breaker opens and closes a power circuit and can interrupt it when its protection or trip system responds to a fault. ### A simple example Use SMISSLINE TP_S401_2D.dxf (revision A) to insert the supplied editable drawing into your layout. The ZIP contains the unmodified SMISSLINE TP_S401_2D.dxf. ### What the drawings help you do Use SMISSLINE TP_S401_2D.dxf (revision A) to insert the supplied editable drawing into your layout. The ZIP contains the unmodified SMISSLINE TP_S401_2D.dxf. Use SMISSLINE MCB_S401_1P.step to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified SMISSLINE MCB_S401_1P.step. ### Before using this reference - Match ABB SMISSLINE MCB 1P S401 and the exact source filename shown above. - Named pole configuration: 1P - The supplied model has approximate X × Y × Z bounds of 90.7 × 81.9 × 17.8 mm. These are source-model axes; mounting holes and installation clearances must come from the matching manufacturer sheet. - The orthographic views are projected from the manufacturer 3D geometry. They are labelled separately from original dimensioned sheets and do not add manufacturer dimensions. - The source was checked on 2026-11-11; recorded file revisions: SMISSLINE TP_S401_2D.dxf — A. Use Documentation & sources to check for a newer issue. ### Which original files are supplied for SMISSLINE MCB 1P S401? 2 inspected originals for ABB SMISSLINE MCB 1P S401: SMISSLINE TP_S401_2D.dxf (DXF); SMISSLINE MCB_S401_1P.step (STEP). ### Where did these ABB files come from? ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=SMISSLINE%20MCB_S401_1P&LanguageCode=en&DocumentPartId=&Action=Launch. The source reference, revision, original bytes and checksum are retained with each download. ### Terms - CAD: Computer-aided design files used to prepare drawings and models. - Revision: The recorded version of a drawing or model. Concept diagram: Identify SMISSLINE MCB 1P S401 → Choose DXF or STEP → Check the matching source configuration 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=SMISSLINE%20MCB_S401_1P&LanguageCode=en&DocumentPartId=&Action=Launch) ## Which file should I choose? Use SMISSLINE TP_S401_2D.dxf (revision A) to insert the supplied editable drawing into your layout. The ZIP contains the unmodified SMISSLINE TP_S401_2D.dxf. Use SMISSLINE MCB_S401_1P.step to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified SMISSLINE MCB_S401_1P.step. ## Official files - SMISSLINE TP_S401_2D.dxf (DXF): https://search.abb.com/library/Download.aspx?DocumentID=SMISSLINE%20TP_S401_2D&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Site download: https://eloragrid.ai/tools/cad-library/download/mfr-abb-smissline-mcb-1p-s401-df753c9f25/abb-602986b218304e850cc1 Hosting basis: no-explicit-prohibition; publisher attribution: ABB; reviewed: 2026-11-11 Rights review: Public manufacturer/supplier CAD original inspected with its included notices; no explicit applicable reproduction prohibition identified. Rights remain unknown.; evidence: https://search.abb.com/library/Download.aspx?DocumentID=SMISSLINE%20TP_S401_2D&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Purpose: Original manufacturer DXF geometry; acquired: true; redistribution: unknown; SHA-256: 370d5f68b824f9ed313debd6d4e03f8f3baa4088c01d194a56d88ecc6646ef9a; revision: A - SMISSLINE MCB_S401_1P.step (STEP): https://search.abb.com/library/Download.aspx?DocumentID=SMISSLINE%20MCB_S401_1P&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=- Site download: https://eloragrid.ai/tools/cad-library/download/mfr-abb-smissline-mcb-1p-s401-df753c9f25/abb-eeef048edeefd5953da7 Hosting basis: no-explicit-prohibition; publisher attribution: ABB; reviewed: 2026-11-11 Rights review: Public manufacturer/supplier CAD original inspected with its included notices; no explicit applicable reproduction prohibition identified. Rights remain unknown.; evidence: https://search.abb.com/library/Download.aspx?DocumentID=SMISSLINE%20MCB_S401_1P&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=- Purpose: Original manufacturer STEP geometry; acquired: true; redistribution: unknown; SHA-256: b5c10f581c279746549f1b6ebe923ac36a45d1ad260067c33ac32b16dda538d7; revision: not recorded Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.