User Manual

10 / 13
Siemens Switzerland Ltd DS02 Update: http://www.siemens.com/gamma-td
Building Technologies Division
International Headquarters
Theilerstrasse 1a  Siemens AG 2018
CH-6300 Zug Subject to change December 2018
Technical data
Power supply
KNX bus voltage DC 24V (DC 21...30V)
KNX bus current Typical 5 mA, max. 8 mA.
Rated voltage 230V AC +10%/-15%, 50/60 Hz
Rated current 2-channel: 2 x 1.3 A @ cosФ=1.0
1-channel: 1 x 2.2 A @ cosФ=1.0
Load output (at 35°C operating temperature; derating to 80% at 45°C)
Typical lamp types
Use of
2 channels 1 channel
Incandescent lamps 300 W 500 W
High voltage halogen lamps 300 W 500 W
Low voltage halogen lamps with electronic
transformers
300 VA 500 VA
Low voltage halogen lamps with magnetic
transformers
240 VA 400 VA
Dimmable energy-saving lamps (CFL) ≤45 VA*
)
≤75 VA*
)
Dimmable LED ≤100 VA*
)
≤200 VA*
)
*
)
The max. total power depends on the lamp type and control mode (leading/ trailing edge).
The following figure shows the maximum load output of the dimmer at different operating
temperatures.
Connections
KNX bus line Bus terminal block, screwless, conductor cross-section
0.6 … 0.8 mm Ø single core,
insulation strip length 5 mm
Load connections Screw-type terminals, insulation strip length 7... 9 mm
The following conductor cross-sections are permitted:
0.5... 4.0 mm² single core,
0.5... 2.5 mm² finely stranded
Fig. 7 max. load output derating diagram
Operating temperature [°C]
Max. load
output [%]