Manufacture: Belimo
Type: Fire damper actuator
Model: BF24

Torque motor: 18 Nm
Torque fail-safe: 12 Nm
Nominal voltage: 24 V AC/DC (AC 19.2 … 28.8 V / DC 21.6 … 28.8 V)
Nominal voltage frequency: 50/60 Hz
Power consumption Motoring: 7 W
Power consumption Holding: 2 W
Power consumption for wire sizing: 10 VA
Auxiliary switch: 2x SPDT
Auxiliary switch Contact rating: 250 V AC, 6 A (3 A)
Angle of rotation max.: 95°
Running time motor: 140s
Running time Spring return: 16s
Degree of protection: IP54
Ambient temperature: -30 … 50°C
Dimensions: 58.6 x 248 x 98 mm