The 11900 series is a uni-directional cam timers with extended shaft on request. Extended shaft : plastic or metallic maximum diameter 6mm. It can be supplied with a maximum 6 cams.
Cams, with diameter 36mm: adjustable or fixed as customer diagram.
Rotation of cam: clockwise or anti-clockwise on request. Friction: bi-directional or uni-directional (as the rotation of cams).