# Mounting Plate, PN 185-21 ABB Mounting Plate, PN 185-21: original PDF for switchboard enclosure or mounting hardware layouts. ## Equipment and file summary Equipment / resource: Mounting Plate, PN 185-21 Manufacturer: ABB Resource type: Product Manufacturer drawing identity: Mounting Plate, PN 185-21 Source document: 53540919-90.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 - [Wall-mounted junction enclosure](https://eloragrid.ai/objects/ga-wall-mounted-junction-enclosure) - [Floor-standing enclosure](https://eloragrid.ai/objects/ga-floor-standing-enclosure) - [Mounting plate](https://eloragrid.ai/objects/mounting-plate) Canonical page: https://eloragrid.ai/tools/cad-library/equipment/mfr-abb-mounting-plate-pn-185-21-c228df9cc4 Manufacturer: ABB Entry type: Product Part number: Not specified — select exact configuration Category: Enclosures & hardware Formats: PDF Market discovery: Global Access: Direct download Official source: https://search.abb.com/library/Download.aspx?DocumentID=53540919-90.PDF&LanguageCode=en&DocumentPartId=&Action=Launch Manufacturer evidence: https://search.abb.com/library/Download.aspx?DocumentID=53540919-90.PDF&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 Mounting Plate, PN 185-21. ## In plain English ### What the equipment does Mounting hardware holds equipment in its intended position. Rails, plates, adapters and supports each provide a particular attachment or support arrangement. ### A simple example Use 53540919-90.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 53540919-90.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 Mounting Plate, PN 185-21 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 Mounting Plate, PN 185-21? 1 inspected original for ABB Mounting Plate, PN 185-21: 53540919-90.PDF.pdf (PDF). ### Where did these ABB files come from? ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=53540919-90.PDF&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 Mounting Plate, PN 185-21 → 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=53540919-90.PDF&LanguageCode=en&DocumentPartId=&Action=Launch) ## Which file should I choose? Use 53540919-90.PDF.pdf to read the original sheet, including its annotations and any marked dimensions. The selected drawing sheet is page 1. ## Official files - 53540919-90.PDF.pdf (PDF): https://search.abb.com/library/Download.aspx?DocumentID=53540919-90.PDF&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=- Site download: https://eloragrid.ai/tools/cad-library/download/mfr-abb-mounting-plate-pn-185-21-c228df9cc4/abb-a18e35ef353113cc9e20 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=53540919-90.PDF&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=- Purpose: Original manufacturer drawing sheet; acquired: true; redistribution: unknown; SHA-256: b8d07f8f846c3f0841b9f9a49154fe315ba8e716024cb202d27762ad1c74153c; revision: not recorded Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.