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Belimo BF24-2 - spring-return actuator for fire and smoke dampers

Belimo BF24-2 - spring-return actuator for fire and smoke dampers

Belimo
zł2,249.67
VAT included
zł1,829.00 tax excluded

Belimo BF24-2 is a spring-return actuator for 90° fire and smoke dampers in ventilation and air-conditioning systems. AC/DC 24 V supply, Open/Close control and motor torque of 18 Nm.

When the power supply is interrupted, the spring moves the damper to the safety position. Safety function torque is 12 Nm; the actuator has two auxiliary switches, 2x SPDT.

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Belimo BF24-2 – actuator for fire and smoke dampers

The actuator moves the damper to its operating position while tensioning the return spring. When the power supply is interrupted, the spring moves the damper to the safety position. The actuator is adapted and mounted on the damper by its manufacturer.

Key features

  • Motor torque: 18 Nm; safety function torque: 12 Nm.
  • Nominal voltage: AC/DC 24 V; frequency: 50/60 Hz; control: Open/Close.
  • Motor running time: <120 s / 90°; safety function running time: 16 s @ 20°C.
  • Power consumption during operation: 7 W; in the resting position: 2 W; for cable sizing: 10 VA.
  • Auxiliary switches: 2x SPDT, switching points 5° / 80°.
  • Mechanical connection: form-fit connection 12x12 mm, through hollow shaft.
  • Motor direction of movement selected by L/R mounting; manual override with position stop.
  • Power and control connection: 1 m cable, 2x 0.75 mm²; auxiliary switch connection: 1 m cable, 6x 0.75 mm².
  • Degree of protection IEC/EN: IP54; protection class IEC/EN: III, Safety Extra-Low Voltage (SELV).

Included: manual crank, position indicator and protective bag.

  • Brand
    Belimo
  • Reference
    BF24-2
  • EAN13
    7630498118623

  • AC/DC voltage
    AC/DC 24 V
  • Auxiliary switch connection
    Cable 1 m, 6x 0.75 mm², FRNC (halogen-free)
  • Power consumption (running)
    7 W
  • Power consumption (holding)
    2 W
  • Rated power
    10 VA
  • Power supply control connection
    1 m cable, 2x 0.75 mm², FRNC (halogen-free)
  • Control type
    Close/Open
  • Protection rating
    IP54
  • Manual override
    With stop
  • Running time (motor)
    ＜120 s / 90°
  • Running time (safety function)
    16 s
  • Auxiliary contacts
    2x SPDT
  • Torque
    18 Nm
  • Direction of movement - motor
    Selectable by mounting L/R
  • Rotational angle
    95°
  • Mechanical connection
    Form-fit connection 12x12 mm, through hollow shaft

Techniczna karta katalogowa

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Techniczna karta katalogowa – BF24-2

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EU Declaration of Conformity – BF24-2

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Environmental Declaration – BF..

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