Open/Close Damper Actuator, 20Nm, 24 V ac/dc

SF Series Spring Return with Emergency Function

New SF Series spring return actuators with emergency function for adjusting air dampers in ventilation and air conditioning systems in buildings. These replace the current AF series.,The motor moves the damper to its normal operating position against spring tension with a powerful turning and holding torque of 20 Nm. The spring will then return the damper to its safe position should the power supply be interrupted.