Trox Technik X-CUBE Instrucciones De Servicio página 124

Modulating damper actuator for
adjusting air dampers in ventilation and
air-conditioning systems for building
services installations
• For air dampers up to approx. 4 m
• Torque 20 Nm
• Nominal voltage AC/DC 24 V
• Control: Modulating DC 0 ... 10 V
• Position feedback DC 2 ... 10 V
Technical data
Dimensions / Weight
Safety notes
www.belimo.com
Technical data sheet
2
Nominal voltage
Electrical data
Nominal voltage range
Power consumption In operation
Connection
Torque (nominal torque)
Functional data
Control Control signal Y
Operating range
Position feedback (Measuring voltage U)
Position accuracy
Direction of rotation
Direction of motion at Y = 0 V
Manual override
Angle of rotation
Running time
Sound power level
Position indication
Safety Protection class
Degree of protection
EMC
Certification
Mode of operation
Rated impulse voltage
Control pollution degree
Ambient temperature range
Non-operating temperature
Ambient humidity range
Maintenance
Dimensions
Weight
• The actuator is not allowed to be used outside the specified field of application, especially in
!
aircraft or any other form of air transport.
• Assembly must be carried out by trained personnel. Any legal regulations or regulations
issued by authorities must be observed during assembly.
• The device may only be opened at the manufacturer's site. It does not contain any parts that
can be replaced or repaired by the user.
• The cable must not be removed from the device.
• When calculating the required torque, the specifications supplied by the damper manufacturers
(cross section, design, installation site), and the air flow conditions must be observed.
T2-SM24A-SR • en • v2.0 • 08.2009 • Subject to changes
AC 24 V, 50/60 Hz / DC 24 V
AC 9.2 ... 28.8 V / DC 2.6 ... 28.8 V
2 W @ nominal torque
At rest 0.4 W
For wire sizing 4 VA
Cable  m, 4 x 0.75 mm
Min. 20 Nm @ nominal voltage
DC 0 ... 0 V, typical input impedance 00 k�
DC 2 ... 0 V
DC 2 ... 0 V, max.  mA
±5%
Reversible with switch 0 / 
In switch position 0
Gearing latch disengaged with pushbutton, can be locked
Max. 95° , can be limited at both ends with adjustable
mechanical end stops
50 s / 90°
Max. 45 dB (A)
Mechanical, pluggable
III Safety extra-low voltage / UL Class 2 Supply
IP54 in any mounting position
NEMA 2, UL Enclosure Type 2
CE according to 2004/08/EC
cULus according to UL 60730-A and UL 60730-2-4
and CAN/CSA E60730-:02
Certified to IEC/EN 60730- and IEC/EN 60730-2-4
Type 
0.8 kV
3
–30 ... +50°C
–40 ... +80°C
95% r.h., non-condensating
Maintenance-free
See «Dimensions» on page 2
Approx. .05 kg
SM24A-SR
2
resp. 
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