Belimo LF24-S - safety function rotary actuator for dampers

Belimo LF24-S - safety function rotary actuator for dampers

Belimo
zł843.99
VAT included
zł686.17 tax excluded

Belimo LF24-S rotary actuator for dampers with safety function, 4 Nm torque and AC/DC 24 V supply. Open/Close control, motor running time 75 s / 90° and integrated 1x SPDT auxiliary switch.

Delivery in approx. 14 days
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Belimo LF24-S – actuator for dampers

The rotary actuator with safety function is designed to position dampers in technical building systems. During operation, it tensions the return spring; if the power supply is interrupted, the spring energy moves the damper to the safety position.

Key features and specifications

  • Motor and safety function torque: 4 Nm.
  • Nominal voltage: AC/DC 24 V; control: Open/Close.
  • Motor running time: 75 s / 90°; safety function running time: <20 s at -20...50°C and <60 s at -30°C.
  • Integrated auxiliary switch: 1x SPDT, adjustable over a range of 0...100%.
  • Rotation angle: max. 95°; adjustment via integrated mechanical stop.
  • Mechanical connection: universal clamp 8...16 mm; motor and safety function direction of movement selected by L/R mounting.
  • Power consumption during operation: 5 W; at rest: 2.5 W; sizing power: 7 VA.
  • Power and control connection: 1 m cable, 2x 0.75 mm²; auxiliary switch connection: 1 m cable, 3x 0.75 mm².
  • Degree of protection: IP54; ambient temperature: -30...50°C [-22...122°F].

  • Brand
    Belimo
  • Reference
    LF24-S
  • EAN13
    7630498103926

  • AC/DC voltage
    AC/DC 24 V
  • Auxiliary switch connection
    Cable 1 m, 3x 0.75 mm²
  • Power consumption (running)
    5 W
  • Power consumption (holding)
    2.5 W
  • Rated power
    7 VA
  • Power supply control connection
    Cable 1 m, 2x 0.75 mm²
  • Control type
    Close/Open
  • Protection rating
    IP54
  • Manual override
    No
  • Running time (motor)
    75 s / 90°
  • Running time (safety function)
    ＜20 s
  • Ambient temperature
    -30...50°C [-22...122°F]
  • Auxiliary contacts
    1x SPDT
  • Torque
    4 Nm
  • Direction of movement - motor
    Selectable by mounting L/R
  • Rotational angle
    95°
  • Mechanical connection
    Universal clamp 8...16 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 – LF24-S

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EU Declaration of Conformity – LF24-S

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Environmental Declaration – LF..

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