Electric actuators for adjusting butterfly valves, dampers and gate valves.  
•      self-locking
•      stall-proof single-phase magnetically braked motor or three-phase brake motor
•      enclosed spur gear with low-play and low-wear
•      short-time switching frequency 2 switches/sec.
•      input signal alter -term step signal or analogue0/4..20mA, 0..10V( field bus on request)
•      further accessories available