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Emergency Belimo TF actuator for HVAC dampers. The actuator is designed for damper sizes up to approx. 0.4m2. The actuator control is open/close or three-point.

Functions

In the event of a power interruption, the return spring begins to rotate the actuator to its default position. For example, in the event of a power failure, it closes the damper or ball valve. The same can be achieved in reverse, depending only on the initial position of the damper.

• The actuator can be operated manually using the locking button and manual crank. 

Features

• The actuator is protected against overload, no end stops are required.
• Simple installation on the damper shaft using a universal bracket.
• Adjustable working angle with mechanical stop.
• One auxiliary switch contact is included with the actuator.