11
Park Allé 366, DK-2605 Brondby
Telefon 70 20 19 11; E-mail:[email protected]
Actuating mechanism
Nominal voltage
AC 24V 50/60Hz
DC 24 V
Power consumption - motoring
- holding
2,5 W
0,8 W
Dimensioning
4VA (Imax 8,3 A @ 5 ms)
Protection class
III
Degree of protection
IP 54
Running time - motor
- spring return
<60 s
~ 20 s
Ambient temperature
- normal duty
- safety duty
- non-operating temperature
- 30 °C … 55 °C
The safe position will be attained up to max. 75°C
- 40 °C … 55 °C
Connecting - motor
- auxiliary switch
cable 1 m, 2 x 0,75 mm (BFL 24-T-ST) with 3-pin plug-in connectors
cable 1 m, 6 x 0,75 mm (BFL 24-T-ST) with 6-pin plug-in connectors
Thermal trips
Tf1: duct outside temperature 72°C
Tf2: duct inside temperature 72°C
1
2
S3
S1 S2
S5
S4
S6
<5°
<80°
BAT
Tf
Tf
LED
~
-
+
Damper bodies are supplied in the design made of galvanized plate without any other surface
finish.
Damper blades are made of fire resistant asbestos free boards made of mineral fibres.
Fasteners is galvanized.
The appliance is constructed and and preset by the manufacturer, its operation is dependent on
proper installation and adjustment.