Half-cylinder (HZ) version (self-locking) - Locking cylinder (Z4) 3061

Variant of the half cylinder with self-locking by means of a spring-loaded catch with a fixed reset position. Due to the spring and the bevelled edge on the cam, locking is possible without an identification medium by pressing in (.SL). The main application is, for example, installation in swivel lever handles for switch and distribution cabinets or server racks in data centres.

The technical data differs slightly from the normal half cylinder:

If the self-locking mechanism is used frequently, it is advisable to apply a little grease to the engagement edge on the switch cabinet lever handle.

All known options for the half cylinder are possible with the following exceptions:

• .MR
• .MS
• .DK
• .WP

The usual lengths of half cylinders for lever handles are 30-10 mm and 35-10 mm.