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Belimo BF24-TN - fire damper actuator with spring return

Belimo BF24-TN - fire damper actuator with spring return

Belimo
zł2,707.23
VAT included
zł2,201.00 tax excluded

Belimo BF24-TN actuator for 90° fire and smoke dampers, with BAT thermal release (72°C). Motor torque 18 Nm, safety function torque 12 Nm; AC/DC 24 V supply and Close/Open control.

Equipped with 2x SPDT, a 12x12 mm mechanical connection and manual override with position stop.

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Belimo BF24-TN

Spring-return actuator with BAT thermal release (72°C), designed for 90° fire and smoke dampers in ventilation and air-conditioning systems. When the power supply is interrupted, the spring moves the damper to the safety position.

Key technical data

  • Motor torque: 18 Nm; safety function torque: 12 Nm.
  • Nominal voltage: AC/DC 24 V; frequency: 50/60 Hz.
  • Control: Close/Open.
  • 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; power rating for cable sizing: 10 VA.
  • Auxiliary switches: 2x SPDT, switching points 5° / 80°.
  • Mechanical connection: form-fit connection 12x12 mm, non-through hollow shaft.
  • BAT release: ambient temperature fuse 72°C and duct internal temperature fuse 72°C.
  • Manual override with position stop; motor rotation direction selected by L/R mounting.
  • Degree of protection: IP54; IEC/EN protection class III, Safety Extra-Low Voltage (SELV).

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

  • Brand
    Belimo
  • Reference
    BF24-TN
  • EAN13
    7630498103612

  • 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, blind hollow shaft

Techniczna karta katalogowa

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Techniczna karta katalogowa – BF24-TN

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EU Declaration of Conformity – BF24-TN

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Environmental Declaration – BF..TN..

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