According to data sheet from manufacturer: http://www.tosoku-inc.co.jp/en/product/pdf/code/dp.pdf,
this rotary switch is DPP01 020 16R
With the small screws the starting and end positions can be adjusted.
DP-series
with waterproof adapter (the aluminum disc with double sided tape)
Code Type: Real Binary Code
Step angle: 15°
Length of shaft: 20mm
What’s the difference between DPP and DPN?
DPP has the waterproof adapter (the aluminum disc with double sided tape)
