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BF Fire damper actuators 18 Nm / 95°  For medium and large
fire and smoke dampers
 95° angle of rotation


The product may differ from the illustration

BF24
Spring-return actuator
18 Nm, < 120 s, 95° (incl. 5° initial spring tens.)
AC/DC 24 V, open-close, 2 x SPDT
IP54, manual override with integrated position stop
Torque spring 12 Nm, spring running time approx. 16 s
Connection cable halogen-free
Auxiliary switch 2 x integrated, potential-free, 5°, 80°
Mechanical interface form-fit 12 x 12 mm (10 x 10 mm with adapter)
Selectable direction of rotation (right/left)


Only available through manufacturers
of fire protection dampers
Select another actuator
Documentation for BF24
Send PDFs for other items
Technical data, wiring diagram, dimensions (PDF - 247 kb)
 Send Data Sheet
Fire damper actuators – Selection and integration (PDF - 796 kb)
 Send Data Sheet
CE Declaration of Conformity (PDF - 41 kb)
 Send Data Sheet
Accessories for BF24
BAT72
Thermoelectrical tripping device
AC/DC 24…48 V, cable 1 m
Duct inside temperature 72 °C (colour black)
Duct outside temperature 72 °C
Probe length 65 mm
BAT72-ST
Thermoelectrical tripping device
AC/DC 24…48 V, cable 1 m, with connector plug
Duct inside temperature 72 °C (colour black)
Duct outside temperature 72 °C
Probe length 65 mm
ZA10-B
Form fit insert
for BFL, BLF, BFN, BF, BLE, BR
for hollow spindle 12x12 mm (form fit)
Reduction to 10x10 mm
ZA10-B.1
Form fit insert
for BFL, BLF, BFN, BF, BLE, BR
for hollow spindle 12x12 mm (form fit)
Reduction to 10x10 mm
Multi-pack 50 pcs.
ZA11-B
Form fit insert
for BFL, BLF, BFN, BF, BLE, BR
for hollow spindle 12x12 mm (form fit)
Reduction to 11x11 mm
ZA11-B.1
Form fit insert
for BFL, BLF, BFN, BF, BLE, BR
for hollow spindle 12x12 mm (form fit)
Reduction to 11x11 mm
Multi-pack 50 pcs.
BAE72
Thermoelectrical tripping device
Response temperatures of thermal fuses
Tf1: Duct outside temperature 72°C
Tf2: Duct inside temperature 72 °C
BAE72-S
Thermoelectric tripping devices
Response temperatures of thermal fuses
Tf1: Duct outside temperature 72°C
Tf2: Duct inside temperature 72 °C
with test button
SN2-C7
Auxiliary switch 2 x SPDT
 
ZA18-BF
Adapter insert from form-fit
to round spindles Ø 18 mm
(BF, BR)
ZA8-B
Form fit insert
for BFL, BLF, BFN, BF, BLE, BR
for hollow spindle 12x12 mm (form fit)
Reduction to 8x8 mm
ZA8-B.1
Form fit insert
for BFL, BLF, BFN, BF, BLE, BR
for hollow spindle 12x12 mm (form fit)
Reduction to 8x8 mm
Multi-pack 50 pcs.
ZK1-B
Hand crank
for BLF, BF, BLE, BE, BR
Length ca. 40 mm
ZK1-B.1
Hand crank
for BLF, BF, BLE, BE, BR
Length ca. 40 mm
Multi-pack 100 pcs.
ZK2-B
Hand crank
for BLF, BF, BLE, BE, BR
Length ca. 70 mm
ZK2-B.1
Hand crank
for BLF, BF, BLE, BE, BR
Length ca. 70 mm
Multi-pack 100 pcs.
ZK-BF
Spindle clamp for BF../BR../BLF../BLE..
For round spindles 10...20 mm
For square 10…16 mm
ZSD-B.1
Protective bag with wire
Colour white (transparent)
Dimensions LxW ca. 350x250 mm
Multi-pack 100 pcs.
ZSN-BF
Bracket for auxiliary switch SN1, SN2
For BF../BR.. Actuators
ZST-BS
Cable set with plug, L = 0.5 m for communication and power supply unit
 
ZZ12-B
Pointer
for BLF, BF, BLE, BR
for hollow spindle 12x12 mm (form fit)
Colour black
Material metall
ZZ12-B.1
Pointer
for BLF, BF, BLE, BR
for hollow spindle 12x12 mm (form fit)
Colour black
Material metall
Recommendation for application

Regular operational checks (open-close control of the fire damper) enhance the safety of people, animals, property and the environment. Unless other requirements are stipulated – e. g. in the damper manufacturer's operating instructions – Belimo recommends the performance of monthly operational checks. Fire damper actuators from Belimo are designed in accordance with service life specifications contained in the technical datasheet for regular operational checks. Notes for regular operational checks can be found in the European Product Standard for Fire Dampers (EN 15650) under "Maintenance information".

In the case of motorised fire dampers, remote operational checks are also possible, thus lowering operating costs.
New range of fire damper actuators BFL and BFN
Fire protection scenarios
Advantages of motorised fire dampers
Safety Notes

The actuator is not allowed to be used outside the specified field of application, especially in aircraft or in any other airborne means of transport.
The actuator is adapted and mounted to the fire and smoke damper by the damper manufacturer. For this reason, the actuator is only supplied direct to safety damper manufacturers. The manufacturer then bears full responsibility for the proper functioning of the damper.
The device may only be opened at the manufacturer’s site. It does not contain any parts that can be replaced or repaired by the user.
The device contains electronic and electrical components and may not be disposed of with the household waste. Observe local regulations and valid laws.

Legal disclaimer

All information applies to common Standard-Applications. Country specific regulations may require different solutions. Deviations in specific markets might be possible. The information regarding the Standard-Applications is therefore not to be seen as a warranty.
For detailed information concerning valid standards or regulations please contact the local Belimo agency.

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