Manufacturer: Belimo
MPN: BF24-TN
Listed Item Condition: New/New Other
We recently acquired a large inventory of overstock items. These items are missing the manufacturer's original packaging and may have minor cosmetic blemishes from storage.
- Type: Spring-return fire damper actuator combined with a thermoelectric tripping device (BAT) rated at 72°C for fire and smoke dampers.
- Torque: 18 Nm motor torque, 12 Nm fail-safe torque.
- Voltage: Nominal voltage AC/DC 24 V, frequency 50/60 Hz, voltage range AC 19.2-28.8 V / DC 21.6-28.8 V.
- Power consumption: 7 W during operation, 2 W in rest position, 10 VA for wire sizing.
- Control: Open/close on/off control input.
- Running time: Motor <120 seconds for 90° rotation; fail-safe running time 16 seconds at 20°C.
- Mechanical interface: Form fit 12x12 mm non-continuous hollow shaft.
- Angle of rotation: Max 95°.
- Auxiliary switches: 2x SPDT with switching capacity 1 mA to 6 A (3 A inductive), switching points at 5° and 80°.
- Manual override: Present with position stop.
- Protection: IP54 protection rating.
- Direction of motor motion: Selectable by mounting left or right.
- Position indication: Mechanical pointer.
- Sound power level: 45 dB(A) motor operation, 63 dB(A) fail-safe.
- Service life: Minimum 60,000 safety positions.
- Safety standards: IEC/EN 60730-1, 60730-2-14 compliant.
- Certifications: CE marked under EMC directive 2014/30/EU and low voltage directive 2014/35/EU.
- Thermal fuse trip temperature: 72°C.
- Cable: Supply/control cable 1 m, auxiliary switch cable 1 m (halogen-free).
What's Included:
- Belimo BF24-TN Fire Smoke Damper Actuator 24V 18Nm w/ Thermal Trip & Dual Switch
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