• Special drive EWA 75 for torque ratings of up to 1200 Nm with motor-integrated high-performance frequency inverter for high adjustment speeds. For the ventilation of greenhouses, in particular convertible structures or group ventilation systems.
  • Specialist application: roller building.
  • With frequency inverter, large speed range of 9 to 35 rpm at full torque of up to 1200 Nm is possible. Integrated Soft Start and Soft Stop to protect the entire system.
  • ESS 40 external limit switch system with END 20.40 precision gear limit switch for 580 shaft revolutions and installed END 20.20 position switch for slow-travel/normal travel.
  • As an option with PAR 06 position feedback unit for 85 shaft revolutions or PAR 10. Expansion to Luv/Lee option with second ESS 40 limit switch box for other intermediate positions.
  • Activation by means of 1/0 switch contacts (potential-free) at control voltage of 24 V from FU. External DC 24 V activation is possible. Three-phase power supply. ED = 60%, IP 55, ISO-F. No reversible contactor required!
  • Standard colour RAL 7037.
  • US version with 480 V/60 Hz and cURus available on request.


  • LAZ 90.30 manual control unit.