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$249
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NFB Series On/Off Spring Return Fail-Safe Damper Actuator

NFB Series On/Off Spring Return Fail-Safe Damper Actuator

ITEM NUMBER : NFBUP-S | Actuators
Used for on/off, fail-safe control of dampers in HVAC systems. The actuator is mounted directly to a damper. Actuator sizing should be done in accordance with the damper manufacturer’s specifications.
FEATURES
  • Control is on/off from an auxiliary contact or a manual switch
  • Actuators provide true spring return operation for reliable fail-safe application and positive close off on air tight dampers
  • Spring return system provides constant torque to damper with, and without, power applied to actuator
  • Provides 95° of rotation and is provided with a graduated position indicator showing 0° to 95°
  • Actuator double insulated so electrical ground connection is not necessary
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PART NUMBER TORQUE (lbs-ft) VOLTAGE AUX SWITCH
NFBUP-S 90 AC 24...240 V / DC 24...125 V 2 SPDT
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