Start key switch 472301
Key code 301, opener
Sometimes it is not needed to control switching on but switching off. Thats what an opener key switch does.
Accessories (not included):
Dust protection cap, torsion protection, adapter for a diameter of 26 mm, sets of spare keys, all keys are also available as foldable version.
Other key codes available.
Datenblatt
Datenblatt (PDF)