Which file should I choose?
Use 1SQC913622D0201.pdf (revision F) to read the original sheet, including its annotations and any marked dimensions. The selected drawing sheet is page 1.

ABB WIRING MAGNETIC REVERSING CONTROLLER CR309 B& C WITH DC CONTROL(55-518736S1): original PDF for control-panel equipment layouts.
A programmable controller reads equipment signals, follows its program and sends commands to other devices. Input and output modules connect it to the equipment.
Use 1SQC913622D0201.pdf (revision F) to read the original sheet, including its annotations and any marked dimensions. The selected drawing sheet is page 1.
1 inspected original for ABB WIRING MAGNETIC REVERSING CONTROLLER CR309 B& C WITH DC CONTROL(55-518736S1): 1SQC913622D0201.pdf (PDF).
PDF · 1.2 MB · Rev F · Reference document
Download filename: 1SQC913622D0201.pdf
Original manufacturer drawing sheet
1 inspected original for ABB WIRING MAGNETIC REVERSING CONTROLLER CR309 B& C WITH DC CONTROL(55-518736S1): 1SQC913622D0201.pdf (PDF).
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=1SQC913622D0201&LanguageCode=en&DocumentPartId=PDF&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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