Belimo electric actuators without return spring of GM series …

GM series actuators … with a force of 40 Nm are designed to control air dampers in ventilation and air conditioning systems with a cross-sectional area of up to 8 m2. The actuator can be mounted directly on the damper shaft by means of a mounting clip. The drive is equipped with a special lock, which is preventing its rotation. It is possible to mechanically control the damper by means of a special button (when the button is pressed, the gear reducer is disengaged and the damper can be controlled manually) and setting the angle of rotation with mechanical stops. The drive is protected against overloads and does not require end switches. The stop occurs automatically when the end positions are reached. There is the possibility of installing electrical accessories – additional contacts, feedback potentiometers, and the use of positioners.

Classification of electric drives:

 

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