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MSRP: $778.00
Price: $291.75
You Save: $486.25 (63 %)


Select MFT Control Code ("A01" 2-10VDC is the default)
If needed, use the space below to type in any additional actuator configuration required for your order:
Actuator Customization180 characters remaining
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Belimo Part Number: NFX24-MFT-S-X1
For proportional modulation of control valves in HVAC systems. The NFB24-MFT and NFX24-MFT provides mechanical spring return operation for reliable fail-safe application.
Default parameters for 2 to 10 VDC applications of the NFB24-MFT and NFX24-MFT actuator are assigned during manufacturing. If required, custom versions of the actuator can be ordered. The parameters noted in the Technical Data table are variable.
Technical Attributes
Torque 90 in-lb [10 Nm]
Control Input MFT
Input Impedance 100 k for 2 to 10 VDC (0.1 mA), 500 for 4 to 20 mA, 1500 for PWM, Floating Point and On/Off
Position Feedback 2-10 VDC Feedback, 0.5 mA max
Running Time (motor) 40-220 (150) seconds
Running Time (fail-safe) <20 sec @ -4°F to +122°F [-20°C to +50°C], <60 sec @ -22°F [-30°C]
Auxiliary Switch 2 x SPDT 3A (0.5A) @ 250 VAC, UL approved, one set at +10°, one adjustable 10° to 90°
Power Supply 24 VAC ± 20%, 50/60 Hz, 24 VDC +20% / -10%
Power Consumption Running: 6.5 W; Holding: 3 W
Transformer Sizing 9 VA (Class 2 power source)
Electrical Connection Two 3 ft, 18 GA appliance cables with 1/2" conduit connectors
Overload Protection Electronic throughout 0° to 95° rotation
Shaft Diameter Standard: 1/2" to 1.05" round, centers on 1/2" and 3/4" with insert, 1.05" without insert
Angle of Rotation 95° (adjustable with mechanical end stop, 35° to 95°)
Direction of Rotation (motor) Reversible with built-in switch
Direction of Rotation (fail-safe) Reversible with CW/CCW mounting
Position Indication Visual indicator, 0° to 95° (0° is spring return position)
Manual Override 5 mm hex crank (3/16" Allen), supplied
Humidity Max. 95% RH non-condensing
Ambient Temperature -22°F to +122°F [-30°C TO +50°C]
Ambient Temperature (safety) --
Storage Temperature -40°F to +176°F [-40°C TO +80°C]
Noise Level <40dB(A) motor @ 150 seconds, run time dependent, <62dB(A) spring return
Housing Material zinc coated metal and plastic casing
Housing NEMA 2, IP54, Enclosure Type 2
Agency Listing cULus acc. To UL60730-1A/-2-14, CAN/CSA E60730-1:02, CE acc. To 2004/108/EC & 2006/95/EC
Quality Standards ISO 9001
Weight 4.2 lbs (1.9 kg.); 4.4 lbs (2.0 kg.) with switches
Item Number: NFX24-MFT-S-X1
Manufacturer: Belimo
Manufacturer Part No: NFX24-MFT-S-X1

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