Fire damper BKP-EN
Technical documentation
Spring return actuators
Construction subject to change.
No return possible!
Version: 2020-09-01 | Page 27
Technical data of spring return actuators B10/B11
B10
(BFL24-T-ST SO)/
B11
(BFL230-T SO)
Table 6: Technical data B10/B11
Actuator type
B10
(BFL24-T-ST SO)
B11
(BFL230-T SO)
Rated voltage [V]
AC/DC 24
AC 230
Rated voltage frequency [Hz]
50/60
Functional range [V]
AC 19.2…28.8 /
DC 21.6…28.8
AC 198…264
Power consumption during operation
[W]
2.5
3.5
Power consumption in idle position
[W]
0.8
1.1
Power consumption/dimensioning
4 VA / I
max
8.3 A @ 5 ms
6.5 VA / I
max
4 A @ 5 ms
Auxiliary switch
2 x EPU
Switching capacity of auxiliary switch
1 mA…3 (0.5 inductive) A, AC 250 V
Connection of supply / control
Cable 1 m, 2 x 0.75 mm² (halogen-free)
+ 3-pin connector
Auxiliary switch connection
Cable 1 m, 6 x 0.75 mm² (halogen-free)
+ 6-pin connector
Motor runtime
<60 s /90°
<60 s /90°
Spring return runtime
20 s @ -10…55 °C / <60 s @ -30…-10 °C
Protection class IEC/EN
Safety extra low voltage
III
II protective insulation
Protection class auxiliary switch IEC/EN
II protective insulation
Degree of protection IEC/EN
IP54
Ambient temperature Normal opera-
tion
-30…55 °C
Storage temperature
-40…55 °C
Ambient humidity
95% r.H., non-condensing
