Knob Cylinder

The SMARTair™ Knob Cylinder is an easy-to-use, simple-to-install and highly effective electronic cylinder that can be integrated with other SMARTair™ locking elements − escutcheons, wall readers, e-motion − in one Access Control system managed by SMARTair™ Software.

Installation is as simple as removing the existing mechanical 570 Oval cylinder from any compatible handle set and replacing with SMARTair™. Suitable for both internal and external installation.

Mechanical features

  • Freewheeling knob until an authorised credential is presented
  • Motorised clutch activates cylinder cam

Electronic features

Reader module:

  • 13.56 MHz, MIFARE® DESFire technology
  • Contact-less cards/tags
  • RFID distance: 10mm with standard cards
  • Programming device connection located on the front section of the electronic knob
  • Indication light: Red & green LED

Control Unit:

  • Non-volatile memory
  • Programmable in 3 modes: Normal mode - 1,500 users and 600 audit trail entries, Extended mode - 1,000 users and 1,000 audit trail entries, High traffic - All users of the installation have access and 1,000 audit trail entries, Real-time clock and calendar - 14 time profiles


  • 1 x CR123A Lithium battery
  • Estimated battery life: 40,000 cycles; 2 years in standby
  • Simple battery change; no dismounting required


  • 85% humidity without condensation
  • Temperature range: 0°C to 70°C

IP55 Rating optional

Part Number Description

Where to buy?

Find your local Lockwood stockist.