Belimo NF24G-SR-S2-L - rotary damper actuator with fail-safe function

Belimo NF24G-SR-S2-L - rotary damper actuator with fail-safe function

Belimo
zł2,407.21
VAT included
zł1,957.08 tax excluded

Modulating rotary damper actuator with a fail-safe function provided by a return spring. Torque 10 Nm, AC/DC 24 V supply, 2...10 V control and 2...10 V position feedback signal.

Motor running time is 150 s / 90°. The actuator has 2x SPDT, a universal shaft clamp 12...26.7 mm and IP66/67 protection rating.

Delivery in approx. 14 days
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Belimo NF24G-SR-S2-L actuator

Modulating rotary actuator for damper control in technical building systems. If the power supply is interrupted, the spring moves the damper to the safety position. The actuator is designed for air dampers with an area of up to approx. 2 m².

Key features and parameters

  • Motor and fail-safe function torque: 10 Nm.
  • Rated voltage: AC/DC 24 V; rated voltage frequency: 50/60 Hz.
  • Modulating control, operating range Y: 2...10 V; position feedback signal U: 2...10 V.
  • Motor running time: 150 s / 90°; fail-safe function running time: <20 s @ -20...50°C, <60 s @ -30°C.
  • 2x SPDT: one contact set to 10%, the other adjustable within 11...100% of the rotation angle.
  • Rotation angle: max. 95°; adjustment using mechanical end stops.
  • Motor direction selected using the L/R switch; fail-safe function direction: L (ccw).
  • Manual adjustment using a crank and locking switch.
  • Mechanical connection: universal shaft clamp 12...26.7 mm.
  • Protection rating: IP66/67; NEMA 4X; UL Enclosure Type 4X housing.
  • Ambient temperature: -30...50°C [-22...122°F].

The actuator is suitable for outdoor applications and protected against UV radiation, rain, snow, dirt, dust and moisture. It is not intended for use in corrosive environments or where it may be exposed to chemical substances in gas or liquid form.

  • Brand
    Belimo
  • Reference
    NF24G-SR-S2-L
  • EAN13
    7630498112904

  • AC/DC voltage
    AC/DC 24 V
  • Auxiliary switch connection
    Cable 1 m, 6x 0.75 mm², FRNC (halogen-free)
  • Power consumption (running)
    2.9 W
  • Power consumption (holding)
    1.1 W
  • Rated power
    4.7 VA
  • Power supply control connection
    1 m cable, 4x 0.75 mm², FRNC (halogen-free)
  • Control type
    DC 2...10 V
  • Protection rating
    IP66/67
  • NEMA protection rating
    NEMA 4X
  • Enclosure type
    UL Enclosure Type 4X
  • 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 12...26.7 mm
  • Direction of rotation (safety function)
    L (ccw)

Techniczna karta katalogowa

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Instrukcja montażu

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Techniczna karta katalogowa – NF24G-SR-S2-L

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EU Declaration of Conformity – NF24G-SR-S2-L

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Environmental Declaration – NF..G..

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