Belimo NFA - rotary actuator for dampers with safety function

Belimo NFA - rotary actuator for dampers with safety function

Belimo
zł1,091.23
VAT included
zł887.18 tax excluded

Belimo NFA is a rotary actuator for dampers with a safety function and a torque of 10 Nm. It operates at AC 24...240 V / DC 24...125 V and is controlled in Close/Open mode.

The motor running time is 75 s / 90°. If the power supply is interrupted, the spring moves the damper to the safety position.

Delivery in approx. 14 days
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Belimo NFA rotary actuator

The NFA model is used to move dampers in technical building systems. According to the technical data sheet, it is designed for air dampers with an area of up to approx. 2 m². During operation, it tensions the return spring, which moves the damper to the safety position if the power supply is interrupted.

Key features and parameters

  • Motor and safety function torque: 10 Nm.
  • Rated voltage: AC 24...240 V / DC 24...125 V; rated voltage frequency: 50/60 Hz.
  • Control: Close/Open.
  • Motor running time: 75 s / 90°; safety function running time: <20 s @ -20...50°C, <60 s @ -30°C.
  • Power consumption during operation: 6 W; in the rest position: 2.5 W; power for cable sizing: 9.5 VA.
  • Rotation angle: max. 95°; adjustment by means of mechanical stops.
  • Motor and safety function direction of movement selected by L/R mounting.
  • Manual positioning by means of a crank and locking switch; mechanical position indicator.
  • Mechanical connection: universal clamp 10...25.4 mm; power and control connection: 1 m cable, 2x 0.75 mm².
  • Protection rating: IP54; ambient temperature: -30...50°C [-22...122°F].

  • Brand
    Belimo
  • Reference
    NFA
  • EAN13
    7630498112911

  • AC/DC voltage
    AC 24...240 V / DC 24...125 V
  • Power consumption (running)
    6 W
  • Power consumption (holding)
    2.5 W
  • Rated power
    9.5 VA
  • Power supply control connection
    Cable 1 m, 2x 0.75 mm²
  • Control type
    Close/Open
  • Protection rating
    IP54
  • NEMA protection rating
    NEMA 2
  • Enclosure type
    UL Enclosure Type 2
  • Manual override
    Using the crank and locking switch
  • Running time (motor)
    75 s / 90°
  • Running time (safety function)
    ＜20 s
  • Ambient temperature
    -30...50°C [-22...122°F]
  • Torque
    10 Nm
  • Direction of movement - motor
    Selectable by mounting L/R
  • Rotational angle
    95°
  • Mechanical connection
    Universal clamp 10...25.4 mm
  • Direction of rotation (safety function)
    Selectable by mounting L/R

Techniczna karta katalogowa

Download (1.29MB)

Instrukcja montażu

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EU Declaration of Conformity – NFA

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Environmental Declaration – NF..

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