Electrical data Nominal voltage AC 24V 50/60Hz, DC 24V
Nominal voltage range AC 19.2…28.8V / DC 21.6…28.8V
Power consumption 7W @ running / 2W @ holding
For transformer sizing 10VA (Imax 8.3mA @ 5ms)
Auxiliary switch
-Switching points
2 SPDT, 1mA…6(3)A, DC 5V…AC 250V
fixed at 5° , 80°
Connection -Motor
-Auxiliary Switch
1m, 2 x 0.75mm² (halogen-free)
1m, 6 x 0.75mm² (halogen-free)
(..-ST with plug connectors, suitable for BKN230-24)
Functional data Torque -Motor
-Spring Return
18Nm @ nominal voltage
12Nm
Thermal trip BF24-T:
BAE72B-S
Tf1: duct outside temperature 72°C
Tf2/Tf3: duct inside temperature 72°C *(Art.
Nr. ZBAE72)
Direction of rotation Selectable by L/R installation
Angle of rotation Max. 95° (include 5° spring pretensioning)
Running time -Motor
-Spring Return
120s
~16s (@ tamb=20°C)
Sound power level Motor max. 45dB(A) / spring return 63dB(A)
Position indication Mechanical with pointer
Service life >60,000 cycles
Safety Protection class III (safety extra-low voltage)
Degree of protection IP54
EMC CE according to 2004/108/EC
Mode of operation Type 1.AA.B
Ambient
temperature
-Normal Duty
-Safety Duty
-30…+50°C
Safe position will be attained up to max. 75°C when
triggered by a thermal trip
Storage temperature -40…+50°C (-40…+80°C without thermal trip)
Humidity test 95% RH, non-condensing
Maintenance Maintenance-free
Dimensions / weight Dimensions (L x M x H) 248 x 98 x 58.6mm
Shaft diameter Form-fit 12 x 12mm (10mm adapter supplied)
Weight BF24
BF24-T
Approx. 2.7kg
Approx. 2.8kg