LOCK BEWEGT // LOCK MOVES 2 EWA CHAPTER 03 – POWER DRIVES 2024 | 11 EWA knows no compromises and displays no weaknesses Lock EWA power drives are a dependable power source for every application. Slow- running with self-locking worm gear units and integrated limit switches or control unit, they perform their tasks for decades without requiring any maintenance work. As option A60 also for operation at low temperatures. As a low-cost alternative, there are the HWA manual drives that are of course easy to retrofit as EWA power drives. Lock drives can be used for far more than ventilation tasks. Much of what you have to lift and relocate you can make happen using drive units and accessories from Lock. > Torque range of 50–2000 Nm. > Speed range of 1–60 rpm. > Integrated precision gear limit switch END 20 or integrated LSC 40 control unit. > Dimensioning for decades of operational service. > Self-locking worm gear units. > Electric motors with optimized characteristics for 50 and 60 Hz. > Turnkey status for single-phase motors. > Optional PAR 06 potentiometer or PAR 10 multiturn-sensor pre-installed on END 20. > Optional position sensor, analogue LPR 02 or digital LPR 04 on the LSC 40. > Motors and microswitches on the END 20 for 60 Hz are cURus-certified (cURus = UL Recognized Component Mark, valid for the USA and Canada). EWA 52
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