Belimo NF24A-SR-S2 - rotary actuator for dampers with safety function

Belimo NF24A-SR-S2 - rotary actuator for dampers with safety function

Belimo
zł1,228.30
VAT included
zł998.62 tax excluded

Rotary actuator for dampers with a safety function, 10 Nm torque and AC/DC 24 V supply. 2...10 V modulating control, 2...10 V position feedback signal and 2 integrated auxiliary switches.

Motor running time is 150 s / 90°, and when the power supply is interrupted, the spring moves the damper to the safety position.

Delivery in approx. 14 days
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Belimo NF24A-SR-S2

Modulating rotary actuator for controlling dampers in building services systems. During operation, the actuator positions the damper according to the analogue control signal and tensions the return spring. When the power supply is interrupted, the spring moves the damper to the safety position.

Key features and parameters

  • Torque of the motor and safety function: 10 Nm.
  • Nominal voltage: AC/DC 24 V; frequency: 50/60 Hz.
  • Control range Y: 2...10 V; position feedback signal U: 2...10 V.
  • Motor running time: 150 s / 90°; safety function running time: <20 s @ -20...50°C, <60 s @ -30°C.
  • 2 integrated auxiliary switches: 2x SPDT, 1x 10% / 1x 11...100%.
  • Rotation angle: max. 95°; adjustable using mechanical stops.
  • Manual override using a crank and locking switch; mechanical position indicator.
  • Universal shaft clamp for 10...25.4 mm shafts.
  • Power and control connection: 1 m cable, 4x 0.75 mm²; auxiliary switch connection: 1 m cable, 6x 0.75 mm².
  • Degree of protection: IP54; ambient temperature: -30...50°C [-22...122°F].

  • Brand
    Belimo
  • Reference
    NF24A-SR-S2
  • EAN13
    7630498112850

  • AC/DC voltage
    AC/DC 24 V
  • Auxiliary switch connection
    Cable 1 m, 6x 0.75 mm²
  • Power consumption (running)
    2.9 W
  • Power consumption (holding)
    1.1 W
  • Rated power
    4.7 VA
  • Power supply control connection
    Cable 1 m, 4x 0.75 mm²
  • Control type
    DC 2...10 V
  • 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
  • Ambient temperature
    -30...50°C [-22...122°F]
  • Auxiliary contacts
    2x SPDT
  • 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

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Instrukcja montażu

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Techniczna karta katalogowa – NF24A-SR-S2

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EU Declaration of Conformity – NF24A-SR-S2

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Environmental Declaration – NF..

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