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NFBUP

NFBUP
MSRP: $713.00
Price: $327.98
You Save: $385.02 (54 %)

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Belimo Part Number: NFBUP

Technical Data Sheet

Technical Attributes
Actuator: NFBUP
 
Fail-Safe
 Spring
Torque 90 in-lb [10 Nm]
Control Input On/Off
Input Impedance --
Position Feedback --
Running Time (motor) <75 seconds
Running Time (fail-safe) 20 sec @ -4ÃÃÃÃÃðF to +122ÃÃÃÃÃðF [-20ÃÃÃÃÃðC to +50ÃÃÃÃÃðC], <60 sec @ -22ÃÃÃÃÃðF [-30ÃÃÃÃÃðC]
Auxiliary Switch --
Power Supply 24240 VAC +10% / -20%, 50/60 Hz, 24125 VDC ÃÃÃÃÃñ 10%
Power Consumption Running: 6 W; Holding 2.5 W
Transformer Sizing 6 VA @ 24 VAC (Class 2 power source), 6.5 VA @ 120 VAC, 9.5 VA @ 240 VAC
Electrical Connection 3 ft, 18 GA appliance cable, 1/2" conduit connector
Overload Protection Electronic throughout 0ÃÃÃÃÃð to 95ÃÃÃÃÃð 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 95ÃÃÃÃÃð (adjustable with mechanical end stop, 35ÃÃÃÃÃð to 95ÃÃÃÃÃð)
Direction of Rotation (motor) Reversible with CW/CCW mounting
Direction of Rotation (fail-safe) Reversible with CW/CCW mounting
Position Indication Visual indicator, 0ÃÃÃÃÃð to 95ÃÃÃÃÃð (0ÃÃÃÃÃð is spring return position)
Manual Override 5 mm hex crank (3/16" Allen), supplied
Humidity Max. 95% RH non-condensing
Ambient Temperature -22ÃÃÃÃÃðF to +122ÃÃÃÃÃðF [-30ÃÃÃÃÃðC TO +50ÃÃÃÃÃðC]
Ambient Temperature (safety) --
Storage Temperature -40ÃÃÃÃÃðF to +176ÃÃÃÃÃðF [-40ÃÃÃÃÃðC TO +80ÃÃÃÃÃðC]
Noise Level <50dB(A) motor @ 75 seconds, 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 4.15 lbs (1.9 kg.); 4.4 lbs (2.0 kg.) with switches
 

 

Operation
The NFB and NFX series actuators provide true spring return operation for reliable failsafe application and positive close off on air tight dampers. The spring return system provides constant torque to the damper with, and without, power applied to the actuator.

 
The NFB and NFX series provides 95deg of rotation and is provided with a graduated position indicator showing 0deg to 95deg. The actuator may be stalled anywhere in its normal rotation without the need of mechanical end switches.
 
The NFB24-S and NFX24-S versions are provided with two built-in auxiliary switches. These SPDT switches are provided for safety interfacing or signaling, for example, for fan start-up. The switching function at the fail-safe position is fixed at +10deg, the other switch function is adjustable between +10deg to +90deg. The NFB24, NFB24-S, NFX24 and NFX24-S actuator is shipped at +5deg (5deg from full fail-safe) to provide automatic compression against damper gaskets for tight shut-off.
 

 
 
  True mechanical spring return the most reliable fail-safe.
  Mount for clockwise or counterclockwise fail-safe.
  Check damper position easily with clear position indicator.
  Dont worry about actuator burn-out. Belimo is overload-proof throughout rotation.
  Built-in mechanical stop to adjust angle of rotation.
  Manual override crank speeds installation
  Need to change control direction? Do it easily with a simple switch (modulating actuators).
  Incorporated breather membrane optimizes performance in harsh airstream environments.
  Built-in auxiliary switches are easy to use, offers feedback orsignal for additional device (-S models).
  Microprocessor-controlled brushless DC motor increasesactuator life span and reliability, provides constant running time (modulating actuators).

Item Number: NFBUP
Manufacturer: Belimo
Manufacturer Part No: NFBUP

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