EWA knows no compromises and shows no weaknesses

Lock EWA power drives are the dependable power source for every application. Slowrunning and self-locking worm drives, each with an integrated limit switch.

They perform their work for decades without requiring any maintenance. As version A60, also suitable for operation in an outdoors situation. The HWA manual drives are a costeffective alternative, and are of course easy to upgrade to EWA power drives.

  • Torque range of 50 – 1500 Nm
  • Speed range of 1 – 10 rpm
  • Integrated E 20 precision gear limit switch
  • Configured for decades of smooth operation
  • Self-locking worm drives
  • “Made in Germany” quality motors with multi-range voltage for 50 Hz and 60 Hz
  • Turnkey condition for single-phase motors
  • Optional PA6 potentiometer factory-fitted
Lock EWA16 for glass construction

At first glance, you might not see what lies hidden inside Lock drives: power without end. These power packs from Lock have torque ratings that you might otherwise only encounter in heavy trucks. All delivered by the remarkable reduction-ratio transmission. This turns a perfectly normal power drive into a small power station that you can use as a solution for many ventilation, lifting and adjusting tasks in your building.

The optimum solution

To ensure that you obtain the optimum solution for your task profile, we are there to help you design your specific application. We can also carry out tests and measurements for you on our in-house test benches.

The benefits of Lock drives

  • Standard mounting dimensions
  • Compact shape
  • Standard shaft length
  • Any installation position
  • Optional LockLogic
  • Zero maintenance
  • Selection of shaft types
  • Extremely quiet operation
  • A60 for use in open-air situations

EWA 10

50-90 Nm

Lock EWA10 for glass construction

EWA 12

150-250 Nm

Lock EWA12 for glass construction

EWA 14

350-600 Nm

Lock EWA14 for glass construction