With its inventive one-screw fitting system, the effeff security key switch range makes installation much easier.

The complete system can be swiftly installed and removed. Surface mounting.
Thr cover plate and the electric contacts are screwless (plug-in assembly).
Optimal security thanks to the internal cover and the flush mounted half cylinder.

DIN 400500 IP 54 protection.
Connections max 2x, 2.5 mm.


Designed for use with DIN 18252 profile half-cylinder. The profile half cylinder is not included (cam position 8 x 45°; 30 x 10 mm long)