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Belimo BF24/500 - spring-return actuator for fire dampers

Belimo BF24/500 - spring-return actuator for fire dampers

Belimo
zł2,653.11
VAT included
zł2,157.00 tax excluded

Belimo BF24/500 spring-return actuator for fire and smoke dampers. AC/DC 24 V supply, Close/Open control, motor torque 18 Nm and safety function torque 12 Nm.

Equipped with 2x SPDT and a 12x12 mm form-fit connection with a non-through hollow shaft. If the power supply is interrupted, the spring moves the damper to the safety position.

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Belimo BF24/500 – actuator for fire and smoke dampers

Spring-return actuator for 90° dampers in ventilation and air-conditioning systems. During operation, the motor moves the damper to the operating position and tensions the return spring. If the power supply is interrupted, the spring energy moves the damper to the safety position.

Key features

  • Nominal supply voltage: AC/DC 24 V; nominal voltage frequency: 50/60 Hz.
  • Control: Close/Open; motor torque: 18 Nm; safety function torque: 12 Nm.
  • Motor running time: <120 s / 90°; safety function running time: 16 s @ 20°C.
  • Auxiliary switches: 2x SPDT, switching points 5° / 80°.
  • Power consumption during operation: 7 W; at rest: 2 W; for wire sizing: 10 VA.
  • Mechanical connection: 12x12 mm form-fit connection, non-through hollow shaft. Maximum rotation angle: 95°.
  • Motor direction of movement selected by L/R mounting; manual adjustment with position stop.
  • Power and control connection: 5 m cable, 2x 0.75 mm² (halogen-free); auxiliary switch connection: 5 m cable, 6x 0.75 mm² (halogen-free).
  • IEC/EN degree of protection: IP54; IEC/EN protection class: III, Safety Extra-Low Voltage (SELV).

Supplied with: hand crank, position indicator, protective cover and 12/10 mm form-fit insert.

  • Brand
    Belimo
  • Reference
    BF24/500
  • EAN13
    7630498118616

  • AC/DC voltage
    AC/DC 24 V
  • Auxiliary switch connection
    Cable 5 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
    Cable 5 m, 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, blind hollow shaft

Techniczna karta katalogowa

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Techniczna karta katalogowa – BF24/500

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Environmental Declaration – BF..500

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