Compact Electronic Half Cylinder


Modern and flexible


The compact electronic half cylinder from Uhlmann & Zacher in a modern stainless steel design replaces a mechanical half cylinder. Authorization takes place via transponders, for example cards or fobs.


Security features


The cylinder impresses with its safety features. All safety-relevant components such as coupling, gears and motor are protected in the cylinder core. The electronic knob and the half-cylinder housing are firmly connected to one another. A variant with an additional mechanical drill protection is also available.


Energy efficient


The compact electronic half cylinder is characterized by a long battery life of up to 60,000 openings with just one battery.

Transponder technology

MIFARE® (13,56 MHz)

OSS Standard Offline

868 MHz Radio

Dust and waterproof according to protection class IP66 and thus protected against powerful water jets.

Intrusion detection system (IDS) - connection possible

Clex prime

To the system page

Clex private

To the system page

Clex public

To the system page


  • Different lengths of profile cylinder available
  • Installation effort is less, no special tool required
  • Wireless assembly, since it is operated with a battery
  • Long battery life, up to 60,000 openings with just one battery
  • Permanent engaging (toggle function) without additional power consumption
  • Outdoor version, protection class IP66
  • Can be integrated with an intrusion detection system
  • Offline or online operation via radio network
  • Transponder technologies MIFARE® and LEGIC® (in preparation)
  • Compatible with OSS Standard Offline
  • Different requirements are met depending on the system (Clex prime, Clex private, Clex public)




Clex prime  CX6166


Clex private   CX2166


Clex public   CX8166

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