# Contactor and Switch Fuse, BEF 300/OESA400 ABB Contactor and Switch Fuse, BEF 300/OESA400: original PDF for motor-control or operating equipment layouts. ## Equipment and file summary Equipment / resource: Contactor and Switch Fuse, BEF 300/OESA400 Manufacturer: ABB Resource type: Product Manufacturer drawing identity: Contactor and Switch Fuse, BEF 300/OESA400 Source document: 53540919-38.PDF Listed file formats: PDF Listed files: 1 Available previews: 1 drawing previews Recorded revisions: Confirm the revision with the manufacturer Source checked: 2026-11-11 Download access: Email registration for site downloads; official source links are also available ## Related GA references - [PLC CPU module](https://eloragrid.ai/objects/ga-plc-cpu-module) - [HMI touchscreen](https://eloragrid.ai/objects/ga-hmi-touchscreen) Canonical page: https://eloragrid.ai/tools/cad-library/equipment/mfr-abb-contactor-and-switch-fuse-bef-300-oesa400-f762292258 Manufacturer: ABB Entry type: Product Part number: Not specified — select exact configuration Category: Automation & controls Formats: PDF Market discovery: Global Access: Direct download Official source: https://search.abb.com/library/Download.aspx?DocumentID=53540919-38.DXF&LanguageCode=en&DocumentPartId=1&Action=Launch Manufacturer evidence: https://search.abb.com/library/Download.aspx?DocumentID=53540919-38.DXF&LanguageCode=en&DocumentPartId=1&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 Contactor and Switch Fuse, BEF 300/OESA400. ## In plain English ### What the equipment does A fuse contains a small element that melts and breaks the circuit when excessive current meets its operating characteristic. ### A simple example Use 53540919-38.PDF.pdf to read the original sheet, including its annotations and any marked dimensions. The selected drawing sheet is page 1. ### What the drawings help you do Use 53540919-38.PDF.pdf to read the original sheet, including its annotations and any marked dimensions. The selected drawing sheet is page 1. ### Before using this reference - Match ABB Contactor and Switch Fuse, BEF 300/OESA400 and the exact source filename shown above. - The source was checked on 2026-11-11. Use Documentation & sources to check for a newer issue. ### Which original files are supplied for Contactor and Switch Fuse, BEF 300/OESA400? 1 inspected original for ABB Contactor and Switch Fuse, BEF 300/OESA400: 53540919-38.PDF.pdf (PDF). ### Where did these ABB files come from? ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=53540919-38.DXF&LanguageCode=en&DocumentPartId=1&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 Contactor and Switch Fuse, BEF 300/OESA400 → Choose PDF → 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=53540919-38.DXF&LanguageCode=en&DocumentPartId=1&Action=Launch) ## Which file should I choose? Use 53540919-38.PDF.pdf to read the original sheet, including its annotations and any marked dimensions. The selected drawing sheet is page 1. ## Official files - 53540919-38.PDF.pdf (PDF): https://search.abb.com/library/Download.aspx?DocumentID=53540919-38.PDF&LanguageCode=en&DocumentPartId=2&Action=Launch&DocumentRevisionId=- Site download: https://eloragrid.ai/tools/cad-library/download/mfr-abb-contactor-and-switch-fuse-bef-300-oesa400-f762292258/abb-294df40e3c62e7fa95f2 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=53540919-38.PDF&LanguageCode=en&DocumentPartId=2&Action=Launch&DocumentRevisionId=- Purpose: Original manufacturer drawing sheet; acquired: true; redistribution: unknown; SHA-256: 530bdd9349c93f3541d0684e682899e06a36c45e54068785a11d22b2fc001a23; revision: not recorded Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.