NFX24-SR N4

MSRP: $1,782.00

Price: $819.72

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Description
Details
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Belimo Part Number: NFX24-SR N4

Torque: 90 in-lb [10 Nm]

Power Supply: 24 VAC 20%, 50/60 Hz, 24 VDC +20% / -10%

Running Time (motor): 95 seconds

Running Time (fail-safe): <20 sec @ -4 deg.F to +122 deg.F [-20 deg.C to +50 deg.C], <60 sec @ -22 deg.F [-30 deg.C]

Technical Data Sheet

NFB(X) Technical Data	NFB(X) Installation Manual
NFB(X) Product Cross reference	NFB(X) Actuator Fact Sheet

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: NFX24-SR N4

Manufacturer: Belimo

Manufacturer Part No: NFX24-SR N4

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