Belimo NF24A-3 - rotary actuator for dampers with spring return

Belimo NF24A-3 - rotary actuator for dampers with spring return

Belimo
zł1,290.98
VAT included
zł1,049.58 tax excluded

Belimo NF24A-3 rotary actuator for air dampers in technical building systems. It has a torque of 10 Nm, an AC 24 V supply and 3-point control. The motor running time is 150 s / 90°.

When the power supply fails, the spring moves the damper to the safety position. The actuator has an IP54 protection rating.

Delivery in approx. 14 days
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Belimo NF24A-3 – actuator for dampers

Rotary actuator with a safety function, designed to move air dampers in technical building systems. While the actuator is operating, the return spring is tensioned; when the power supply is interrupted, it moves the damper to the safety position.

Key features and specifications

  • Torque of the motor and safety function: 10 Nm.
  • Supply: AC 24 V, 50/60 Hz; AC voltage range: 19.2...28.8 V.
  • Control: 3-point.
  • Motor running time: 150 s / 90°; safety function running time: <20 s @ -20...50°C, <60 s @ -30°C.
  • Rotation angle: max. 95°; adjustment using mechanical stops.
  • Mechanical connection: universal clamp 10...25.4 mm; mechanical position indicator.
  • Manual adjustment using a crank and locking switch.
  • Power consumption during operation: 6.5 W; at rest: 2.5 W; power rating for cable sizing: 9 VA.
  • Power and control connection: 1 m cable, 4x 0.75 mm².
  • Protection rating: IP54; NEMA 2; UL Enclosure Type 2 housing.

According to the technical data sheet, the actuator is designed for air dampers with an area of up to approx. 2 m². When selecting the required torque, take into account the damper manufacturer's data and the installation and ventilation conditions.

  • Brand
    Belimo
  • Reference
    NF24A-3
  • EAN13
    7630498121135

  • AC/DC voltage
    AC 24 V
  • Power consumption (running)
    6.5 W
  • Power consumption (holding)
    2.5 W
  • Rated power
    9 VA
  • Power supply control connection
    Cable 1 m, 4x 0.75 mm²
  • Control type
    3-point
  • 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)
    150 s / 90°
  • Running time (safety function)
    ＜20 s
  • Torque
    10 Nm
  • Direction of movement - motor
    Selectable using the L/R switch
  • 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 (1.37MB)

Instrukcja montażu

Download (1.63MB)

EU Declaration of Conformity – NF24A-3

Download (32.52KB)

Environmental Declaration – NF..

Download (72.3KB)
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