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OPTOTRONIC®
OT 80/220-240/24 DIM P
Dimmable Constant Voltage LED Power supply for 24V LED - Modules
1. Technical Data
Nominal Voltage 220 – 240 Vac Output Voltage 24 Vdc
Input Voltage 198 – 264 Vac Efficiency 87% @230Vac
Line Current, nominal 0,4A@230 Vac Ambient Temperature Ta -25°C to +55°C
Mains Frequency 50 / 60 Hz Max. Case Temperature at Tc + 80°C
Power Factor = 0.95 @ 230 Vac Max. Cable Length 10m
Interface 1…10V insulated Max load per circuit breaker B10 7
IP Rating IP 67 Max load per circuit breaker B16 10
Max Output Power 80 Watt
Max load per circuit breaker C10 10
2.
Connection Schemes
a. Non – Dim operation
(-0,5V/+0,9V)
1..10V
Ensure proper insulation of not connected wire terminals.
b. Dim operation
i. Non – Dim operation 3 wires LED module
2 wires LED Module 3 wires LED Module
a) Ensure proper insulation of not connected wire terminals.
b) The maximum input capacitance of all connected LED modules (dimmable) should be less the 130nF.
c) Required type of Potentiometer for use = 47kOhm.
ii. Control via 1…10 Dimmer
2 wires LED Module 3 wires LED Module
220 – 240V AC
OT 80/220-240/24 DIM P
2
a) Ensure proper insulation of not connected wire terminals.
a) The maximum input capacitance of all connected LED modules (dimmable) should be less the 130nF.
red
(+) 24V
white
(-) CH
black
(-) GND
violet
(+)
grey
(-)
1..10V
3 wires
LED Module
LED Module
1...10V Interface
2011-08-18
AA328400055
OSRAM AG
www.osram.com
Steinerne Furt 62, 86167 Augsburg, Germany
No. 1, North Industrial Road
528000 Foshan Guangdong, P.R. China
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OPTOTRONIC®
OT 80/220-240/24 DIM P
Dimmable Constant Voltage LED Power supply for 24V LED - Modules
iii. Single control of more power supplies
Control of more OT 80/220-240/24 DIM P to an external Dimmer/Potentiometer. Thanks to the fully isolated 1…10V interface, two different kind of
dimming devices are possible
1) Potentiometer - the value will be 47K Ohm / n where n is the number of Power supplies to be controlled
2) Active Dimmer - Dimmer is connected to mains (see Figure 1c)
iv. Combination of “dimmable” and “non dimmable” LED Modules
Dimmable LED load
Non Dimmable LED load
The maximum input capacitance of all connected LED modules (dimmable) should be less the 130nF.
3. Safety
Power supplies can be connected in parallel on the primary side, but not on the secondary side
OSRAM AG
www.osram.com
2011-08-18
AA328400055
Steinerne Furt 62, 86167 Augsburg, Germany
No. 1, North Industrial Road
528000 Foshan Guangdong, P.R. China
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OPTOTRONIC®
OT 80/220-240/24 DIM P
Dimmable Constant Voltage LED Power supply for 24V LED - Modules
a) The installation of two ore more OPTOTRONIC® OT 80/220-240/24 DIM P Power supplies with common “-“ or “+” is
forbidden.
Wiring and Connection
• Ensure that the LED module load is within the range of rated voltage, current and power supply (see
Technical data)
• Maximum output cable length is limited by EMI and cross diameter
• Use output cable sections adequate to the load demand
• The luminaire manufacturer is responsible for providing the required clearances and creepage
distances and also for protection against electrical shock, especially for the line and load wires
• Please avoid direct exposure of sunlight and in case of exposure to UV rays, protect the cables with
suitable silicone sheath.
•
Not used output cables have to be insulated separately
Earth Connection
• OT 80/24 P is a “Protection Class II” power supply, therefore ground connection is not required
Mounting and Environmental protection
• The control gear is a build in type for luminaire integration
• Maximum permissible ambient temperature must not be exceeded. Make sure there is adequate
space to avoid a build-up of heat. In critical installations the temperature at tc has to be controlled
General Note
• Power supplies must be installed by a qualified electrician
• Disconnected from mains supplies before wiring work
• For further information see also “OPTOTRONIC – Technical guide” at www.osram.com
2011-08-18
AA328400055
OSRAM AG
www.osram.com
Steinerne Furt 62, 86167 Augsburg, Germany
No. 1, North Industrial Road
528000 Foshan Guangdong, P.R. China
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