Belimo CMU Series - SFU Series Mechanical Fail-Safe Actuators; SFU Series Technical Data and Dimensions

V4. 12. 2010
.
Subject to modification
43
Technical data
Dimensions [mm]
Electrical data
Nominal voltage AC 24...240V 50/60Hz, DC 24...125V
Power consumption
Nominal voltage range
AC 19.2...264V, DC 20.4...126.5V
Functional data
Torque - Motor
Min. 20Nm @ nominal voltage
Min. 20Nm
Direction of rotation
Selectable by mounting L/R
Manual override
By manual override key
Angle of rotation
Max. 95
°
, limited on both sides
by means of adjustable, mechanical end stops
Running time - Motor
Sound power level - Motor
Max. 75s (0...20Nm)
Max. 20s @ -20...50
°
C/max. 60s @ -30
°
C
Max. 45dB(A)
Position indication Mechanical
Working conditions
Degree of protection
IP54
Ambient temperature
-30...+50
°
C
Non-operation temperature
-40...+80
°
C
Maintenance Maintenance-free
Dimensions / weight
Weight Approximately 2200g
Dimensions (LxWxH)
236x98x58mm
Humidity test
95% RH, non-condensing
Connection
Cable 1m, 2x0.75mm
2
Protection class
II (Totally insulated)
EMC
CE according to 2004/108/EC
Low voltage directive
Control pollution degree
Rated Impulse Voltage
Mode of operation
3
4kv
Type 1.AA
CE according to 2006/95/EC
7.0W @ running / 3.5W @ holding
Wire/transformer sizing
7.0VA @ AC 24V
8.5VA @ AC 120V
18.0VA @ AC 240V
- Spring return
- Spring return
Max. 62dB(A)
- Spring return
Mechanical Fail-Safe Damper Actuator SFU
Damper actuator for operating air control dampers in ventilation
and air-conditioning systems for building services installations
•ΓTorque: 20Nm
•ΓNominal voltage: AC 24...240V
DC 24...125V
•ΓControl: Open/Close
59
20
85
2-F
RON
T
32 
162
172
182
236
98
80
Standard :
¾”- clamp (with insert)
Length
≥85
≥15
≥15
≥15
10...22 10
10
10...22 14...25.4
14...25.4
Optional 1:
1”- clamp (without insert)
Length
≥85
½”
Damper shaft Length
≥85
10...19
14...20
12...1819...25.4
19...25.4 12...18
14...20
10...19
Damper shaft
Damper shaft
Optional 2:
- clamp (optional via configuration)