Which file should I choose?
Use 2TFH001242A1001.pdf (revision A) to read the original sheet, including its annotations and any marked dimensions. The selected drawing sheet is page 1.
ABB CT 185: original PDF for substation insulation or transformer equipment layouts.
A current transformer, or CT, produces a smaller measuring current related to the alternating current in a power conductor. Meters and protection relays use that signal to monitor the circuit.
Use 2TFH001242A1001.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 CT 185: 2TFH001242A1001.pdf (PDF).
PDF · 420 KB · Rev A · Reference document
Download filename: 2TFH001242A1001.pdf
Original manufacturer drawing sheet
1 inspected original for ABB CT 185: 2TFH001242A1001.pdf (PDF).
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=2TFH001242A1001&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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