Modulating spring return actuator with emergency function for adjusting air dampers in ventilation and air conditioning systems in buildings

• For air dampers up to approx.  6 m²
• Torque: 30Nm 
• Nominal voltage AC/DC 24 V
• Control: modulating DC 2 … 10 V
• Position feedback DC 2 … 10 V
• Running time motor: 150 s / 90°
• Manual override: By means of hand crank and locking switch