BELIMO NFB24-SR


Supplier Part #: NFB24-SR

Damper Actuator, 24VAC/DC DirectCoupled Spring Return Air

Product Info

Spring Return Damper Actuators

NFB Series Direct Coupled Spring Return Air Damper Actuator

  • Torque: 90 in lb minimum
  • Overload protection: electronic throughout rotation
  • Fits shaft diameter: up to 1.05" (1/2", 3/4" and 1.05" shaft centered)
  • Position indication: 0° to 95° visual indicator
  • Direction of rotation: spring return reversible with CW/CCW
    mounting external switch with -SR and MFT
  • Brushless DC motor
  • Electrical connection: 3’, 18 gauge appliance cable, 1/2" conduit connector
  • Manual override: 5 mm hex crank (3" Allen), supplied
  • CE and CSA Certified
  • ISO 9001 Listed
  • Housing: NEMA 2 / IP54 UL enclosure
  • UL and cULus Listed
  • 5-Year warranty

A = < 75 Sec Motor; 20 Sec @ -4°F to 122°F [-20°C to 50°C], < 60 sec @ -22°F [-30°C] Fail Safe



Item Specifications

  • No
  • 2 - 10VDC (4 - 20mA)
  • 2 - 10VDC
  • 24VAC/DC
  • 95 Sec Motor
  • < 20 sec @ -4°F to 122°F -20°C to 50°C
  • < 60 sec @ -22°F -30°C Spring
  • NFB Series
  • 6VA

Other Variations of This Item