Damper actuators, 4 Nm

Damper actuator serie S4 to operate and position air dampers in HVAC systems. For air dampers up to approx. 1 m2 Nominal voltage 24 Vac/dc and 230 Vac Control: Open-close or 3-point and proportional Caracteristics: universal spindle clamp fo easy direct mounting, shaft dimensions Ø 10 to 16 mm round / 10 to 12 mm square, minimum shaft length 50 mm, anti-rotation bracket provided for stability, manual over ride by push button, selectable direction of rotation, adjustable angle of rotation with mechanical end stops, manual override with push-button possible (the gear train is disengaged for as long as the button is pressed), the actuator is overload protected, requires no limit switches and automatically stops when the end is reached. Operate the manual control without applying excessive force, keeping the release button pressed for the entire stroke of movement. Rotate slowly and smoothly, avoiding jerky movements or sudden changes in direction.