TF24-MFT - Belimo Spring-return Damper Actuator 2 Nm, < 150 s, 95° AC / DC 24 V, modulating IP 42

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The Belimo TF24-MFT is a kind of Actuator used in HVAC applications and air ventilation systems.

The Torque used by the TF24-MFT is 2 Nm.

The power supply requested for this Rotary Actuator is 24Vac/Vdc.

If you have questions concerning size or installation, refer to the Belimo custom datasheet above or email iacs for individualised support.

TF24-MFT - Spring-return actuator 2 Nm, < 150 s, 95° AC / DC 24 V, modulating IP 42, 

•    Running time spring approx. 25 s
•    Control DC 0...10 V (0...32 V)
•    Operating range DC 2...10 V, adjustable
•    Position feedback DC 2...10 V, adjustable
•    Connection PVC cable 1m
•    Spindle driver universal spindle clamp
•    Direction of rotation reversible (right/left)
•    Linking active/passive sensor, switch
•    Angle of rotation limit. mech. adjustable

Features
 

• Mode of operation  The actuator moves the damper actuator to the operating position at the same time as tensioning the return spring. If the power supply is interrupted, the energy stored in the spring moves the damper back to its safe position.Conventional Mode: The actuator is controlled with a standard modulating signal of DC 0 ... 10 V and moves to the position defined by the control signal. The measuring  voltage U serves for the electrical display of the damper position 0 ... 100% and as slave control signal for other actuators.Operation on the MP-Bus: The actuator receives its digital positioning signal from the higher level controller via the MP-Bus and travels to the position defined. Connection U serves as communication interface and does not supply an analogue measuring voltage.


• Converter for sensors Connection option for a sensor (passive or active sensor or switching contact). The MP actuator serves as an analogue/digital converter for the transmission of the sensor signal via MP-Bus to the higher level system.

• Parameterisable actuators The factory settings cover the most common applications. Input and output signals and other parameters can be altered with the MFT-H parameterising device or the BELIMO Service Tool, MFT-P.


• Simple direct mounting Simple direct mounting on the damper spindle with a universal spindle clamp, supplied with an anti-rotation strap to prevent the actuator from rotating.


• High functional reliability The actuator is overload-proof, requires no limit switches and automatically stops when the end stop is reached.


• Home position When the supply voltage is switched on, the actuator automatically detects its safety position (zero initialisation). This process, which takes place with the actuator stationary, lasts approximately 15 s.

•    Electrical data Nominal voltage AC 24 V, 50/60 Hz DC 24 V
•    Nominal voltage range AC 19.2 ... 28.8 V DC 21.6 ... 28.8 V
•    Power consumption In operation 2.5 W @ nominal torque At rest 1 W For wire sizing 4VA
•    Connection Motor Cable 1 m, 4 x 0.75 mm2
•    Parallel operation Yes
•    Functional data Torque Motor Min. 2 Nm @ nominal voltage Spring return Min. 2 Nm 
•    Torque (nominal torque) Motor Min. 2 Nm @ nominal voltage Spring-return Min. 2 Nm
•    Control Control signal Y DC 0 ... 10 V, input impedance 100 ka Operating range DC 2 ... 10 V
•    Position feedback (measuring voltage U) DC 2 ... 10 V, max. 0.5 mA
•    Position accuracy ±5%
•    Direction of rotation Reversible with switch  
•    Direction of motion at Y = 0 V At switch position 1 resp. 0
•    Manual override No
•    Angle of rotation Max. 95°<)
•    Running time Motor < 150 s (0 ... 2 Nm) Spring return < 25 s @ –20 ... 50°C / max. 60s @ –30°C 
•    Automatic adjustment of running time, Manual triggering of the adaption by operating range and measuring signal U to match switching from  –  twice within 5 s the mechanical angle of rotation or with PC-Tool.
•    Override control MAX (maximum position) = 100%, MIN (minimum position) = 0%, ZS (intermediate position, only AC) = 50%
•    Sound power level Moto Max. 35 dB (A) Spring return Approx. 62 dB (A)
•    Service life Min. 60’000 operations
•    Position indication Mechanical
•    Safety Protection class III Safety extra-low voltage 
•    Degree of protection IP42 in any mounting position 
•    EMC CE according to 2004/108/EC
•    Mode of operation Type 1 (to EN 60730-1)   
•    Overvoltage category III
•    Rated impulse voltage 0.8 kV (to EN 60730-1)
•    Control pollution degree 3
•    Ambient temperature range –30 ... +50°C
•    Non-operating temperature –40 ... +80°C
•    Ambient humidity range 95% RH., non-condensating (EN 60730-1)
•    Maintenance Maintenance-free
•    Dimensions / Weight Dimensions See «Dimensions» on page 5
•    MWeight Approx. 600 g