Electrical data Nominal voltage AC 24…240V, 50/60Hz / DC 24…125V
Nominal voltage range AC 19.2…264V / DC 21.6…137.5V
Power
consumption
In operation
At rest
For wire sizing
7W @ nominal torque
3.5W
18VA
Connection Cable 1m, 2 x 0.75mm²
Parallel connection Yes (Note performance data for supply!)
Functional data Torque
Motor
Spring return
Min. 20Nm @ nominal voltage
Min. 20Nm
Direction of rotation
Spring return
– SRFA-5 Deenergised NC, valve closed (A – AB = 0%)
Manual override With hand crank and interlocking switch
Angle of rotation Max. 90°
Running time Motor
Spring return
75s / 90°
≤20s @ –20…50°C / max. 60s @ –30°C
Sound power level
Motor
Spring return
≤45dB(A)
≤62dB(A)
Position indication Mechanical
Safety Protection class II totally insulated
Degree of protection IP54
NEMA 2, UL Enclosure Type 2
EMC
Low-voltage directive
CE according to 2004/108/EC
CE according to 2006/95/EC
Certification Certified to IEC/EN 60730-1 and IEC/EN 60730-
2-14
Mode of operation Type 1.AA
Rated impulse voltage 4kV
Control pollution degree 3
Ambient temperature –30…+50°C
Non-operating temperature –40…+80°C
Ambient humidity 95% r.h., non-condensating
Maintenance Maintenance-free
Mechanical data Connection flange F05
Dimensions / Weight Dimensions See «Dimensions»
Weight Approx. 2kg