Belimo NFX24-S Damper Actuator 90 in-lb Spg Rtn 24V On/Off

Product Description

The BELIMO NFX24-S is designed for fail-safe, modulating control of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturer’s specifications. A feedback signal is provided for position indication. It has a torque of 90 in-lbs and runs on 24V AC/DC power.

• Symmetrical, reversible rotation design for installation flexibility
• ISO 9001 manufacturing facility assures high quality
• NEMA 4 Enclosure Rating for outdoor locations available on AFB, EFB and NFB models

Product Highlights

The Belimo NFX24-S damper actuator offers reliable performance with its spring return functionality, 24V operation, and on/off control, suitable for various air control applications.

Product Information

Standard Information

• Brand: BELIMO
• Manufacturer Part Number: NFX24-S

Technical Specifications

• Actuator Type: Spring return
• Angle of Rotation: 95
• Auxiliary Switches: 2 x SPDT
• Control Type: On/Off
• Power Consumption (Holding): 2.5 W
• Power Consumption (Running): 6 W
• Protection category: IP54
• Running Time (Fail-safe): <20 s
• Running Time (Motor): 75 s / 90
• Torque: 90 in-lb [10 Nm]
• Voltage AC/DC: AC/DC 24 V
• Options: None
• Runtime: 75 Secs
• Version: Custom
• Aux. Switch: 1
• Nema Rating: Nema 2
• Spring Return: <20 Second
• Communications: None
• Supply Va: 8.5 VA
• Power Supply: 24 VAC,24 VDC
• Housing Material: Zinc Coated Metal and Plastic Casing
• Humidity: max. 95% RH non-condensing
• Manual Override: 5 mm hex crank (3/16" Allen), supplied
• Position Indication: visual indicator, 0 to 95 (0 is full spring return position)
• Shaft Diameter: 1/2 in to 1.05 in round, centers on 1/2 in and 3/4 in with insert, 1.05 in without insert
• Quality Standard: ISO 9001
• Power Supply Type: 24V
• Servicing: maintenance free
• Transformer Sizing: 8.5 VA (class 2 power source)
• Storage Temperature Range: -40 to 176 F (-40 to 80 C)
• Actuator Series: NFB(X)
• Ambient Temperature Range: -22 to 122 F (-30 to 50 C)
• Application Type: Air
• Auxiliary Switch: 2 SPDT
• Agency Listings: cULus acc. to UL60730-1A/-2-14, CAN/CSA E60730-1:02, CE acc. to 2004/108/EC and 2006/95/EC
• Supply Voltage (Nominal): 24 VAC
• Control Signal: Two Position
• Power Consumption For Wire Sizing: 8.5 VA
• Direction Of Motion Motor: selectable by ccw/cw mounting
• Direction of Rotation (Fail-Safe): Reversible with cw/ccw mounting
• Degree Of Protection NEMA: NEMA 2
• Enclosure Type: UL Enclosure Type 2
• Ambient Temperature: -22...122 F [-30...50 C]
• Application: Spring Return Damper Actuator
• Control Input: On/Off
• Run Time: <75 Seconds
• Enclosure: NEMA 4/IP66 UL Enclosure Type 4
• Damper Area: Up to 22 Sq.Ft.