Which file should I choose?
Use 9AKK108471A9125.pdf (revision A) to read the original sheet, including its annotations and any marked dimensions. The selected drawing sheet is page 1.

ABB 1P to 4P (Formula MCB and SD): original PDF for circuit-breaker equipment layouts.
A circuit breaker opens and closes a power circuit and can interrupt it when its protection or trip system responds to a fault.
Use 9AKK108471A9125.pdf (revision A) to read the original sheet, including its annotations and any marked dimensions. The selected drawing sheet is page 1.
1 inspected original for ABB 1P to 4P (Formula MCB and SD): 9AKK108471A9125.pdf (PDF).
PDF · 259 KB · Rev A · Reference document
Download filename: 9AKK108471A9125.pdf
Original manufacturer drawing sheet
1 inspected original for ABB 1P to 4P (Formula MCB and SD): 9AKK108471A9125.pdf (PDF).
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=9AKK108471A9124&LanguageCode=en&DocumentPartId=&Action=Launch. The source reference, revision, original bytes and checksum are retained with each download.
Original publisher: ABB. Source checked 2026-11-11. Original bytes are preserved; file links and document references identify the source.
Manufacturer source discovery; confirm the exact regional equipment configuration and certification separately.
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