Which file should I choose?
Use 1SBB900536D3501.pdf to read the original sheet, including its annotations and any marked dimensions. The selected drawing sheet is page 1.

ABB TEF4 electronic timer with AF26, AF38 4-pole contactors: original PDF for motor-control or operating equipment layouts. Dimension Drawing.
A timer changes an output after a defined delay or for a defined period. The chosen timing mode determines when the output operates and resets.
Use 1SBB900536D3501.pdf to read the original sheet, including its annotations and any marked dimensions. The selected drawing sheet is page 1.
1 inspected original for ABB TEF4 electronic timer with AF26, AF38 4-pole contactors: 1SBB900536D3501.pdf (PDF). The manufacturer describes this configuration as Dimension Drawing.
PDF · 170 KB · Reference document
Download filename: 1SBB900536D3501.pdf
Original manufacturer drawing sheet
1 inspected original for ABB TEF4 electronic timer with AF26, AF38 4-pole contactors: 1SBB900536D3501.pdf (PDF). The manufacturer describes this configuration as Dimension Drawing.
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=1SBB900536D3501&LanguageCode=en&LanguageCode=zh&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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