79208 OT180W/347-480/800C/2DIMLT2/P6

79208 OT180W/347-480/800C/2DIMLT2/P6
www.osram-americas.com/OPTOTRONIC
OPTOTRONIC® LED Power Supply
OT180W/347- 480/800C/2DIMLT2/P6 - Technical Specifications
GENERAL INFORMATION
Item Number
79208
Type
Constant Current
Output Power
180W (Max.)
Programming tool
51645: Software
Output current
Dimming level
ELECTRICAL SPECIFICATIONS
Input Voltage (VAC)
347V-480V (+/- 10%)
Frequency Range (Hz)
50 – 60 Hz (+/- 10%)
LED thermal protection
AstroDIM
LEDSet Gen2
Constant Lumen output
End of life indicator
Input
Programmable features
347V
480V
Input Current (A)
0.6
0.45
THD @ Full load
<15%
<20%
ELECTRICAL SPECIFICATIONS
Power Factor @ Full load
>0.95
>0.95
LED thermal protection (NTC)
≥91%
48A, 400µs
≥91%
127A, 140µs
Efficiency @ Full load
Inrush Current (Apk)
Output
Output Current (mA)
350-800mA
1mA resolution
(programmable)
NTC value active range
≤ 25kΩ
Output level minimum
User defined
ENVIRONMENTAL SPECIFICATIONS
Ambient Operating
Temperature
-40 ºC to 55 ºC
Output Voltage (VDC)
82-280VDC
Output Ripple Current
<30% @ 1250mA
Case Temperature (Tc)
85ºC**
90°C (max)
Max. Output power (W)
180W (model dependent)
Max. Storage Temp.
70ºC
LED Power-up time
< 0.5sec
Max. Relative Humidity (%)
95% non condensing
Load Regulation
<5%
Transient Protection
Line Regulation
<5%
ANSI C62.41 Cat.B
6.0kV*
IP Rating
IP66
UL Environmental Rating
Damp & Wet
UL File number
E320395
EMI Compliance
FCC Part 15 Class A
Sound Rating
Class A
Over voltage protection
Over Power Protection
Output short-circuit
protection
Dimming
Yes, non latching
Max Vout 285V
Current Foldback @185W
(+/- 5%) to operate in
constant power mode
Yes, latching
Dimming Range
0 – 10V (Isolated)*
AstroDIM
10-100% (60mA min)
Dimming Type
Analog
Source/Sink Current
1mA
Dimming Control
**- Warranty applicable only at 85ºC
* -Meets only 4kV for common mode combination wave
* Class 2 or non-Class 2 wiring allowed
1
WIRING DIAGRAM
Note 1: Maximum suggested remote mounting distance is 32 feet. For additional information on further distances and EMI
compliance reference application note LED126 .
Note 2: The Dimming input is isolated and will allow Class 2 or non-Class 2 wiring across Purple and Gray wires
MECHANICAL DIAGRAM
MECHANICAL DIAGRAM
Length
9.47” (240.5mm)
Width
2.36” (60mm)
Height
1.50” (38.1mm)
Mounting length
8.9” (226.3mm)
Mounting slot width
0.34” (8.7mm)
2
OPERATING RANGE
300
Output Voltage [V]
250
200
150
100
50
300
400
500
600
700
800
900
Output Current [mA]
Pf >0.9 and THD <20% at347V and 480V
DIMMING CURVE
100
% of Output current
80
60
40
20
0
0
1
2
3
4
5
6
7
8
9
10
Dim Voltage [V]
*The absolute minimum current the driver can deliver is 60mA
3
EFFICIENCY VS OUTPUT VOLTAGE
Efficiency @ 347V
94.00
92.00
Efficency [%]
90.00
88.00
800mA
86.00
530mA
350mA
84.00
82.00
80.00
70
100
130
160
190
220
250
280
Output Voltage [V]
Efficency @ 480V
92
90
Efficiency [%]
88
86
800mA
84
530mA
82
350mA
80
78
76
50
80
110
140
170
200
230
260
290
320
Output Voltage [V]
4
POWER FACTOR PERFORMANCE
1
0.98
0.96
Power Factor
0.94
0.92
347V
0.9
480V
0.88
0.86
0.84
0.82
50
70
90
110
130
150
170
190
Output Power [W]
1
0.98
0.96
Power Factor
0.94
0.92
347V
0.9
480V
0.88
0.86
0.84
0.82
70
90
110
130
150
170
190
210
230
Output Voltage [V]
5
THD PERFORMANCE
26
24
22
THD[%]
20
18
347V
16
480V
14
12
10
8
60
80
100
120
140
160
180
Output Power [W]
17
16
15
THD [%]
14
13
12
11
10
9
8
280
305
330
355
380
405
430
455
480
505
Input Voltage [V]
6
LED THERMAL PROTECTION (NTC) CHARACTERISTIC
The LED thermal protection feature of the OT180W helps reduce the temperature of the LED module by reducing the output
current in case of abnormal temperature conditions. To use this feature a third party NTC thermistor should be connected to the
LED power supply as shown in the wiring diagram below.
In the end application, care must be taken to place the NTC thermistor close to the hottest spot on the LED module. If LED
thermal protection is not required the NTC port on the LED power supply connector can be left open.
Vishay, EPCOS, Murata, Panasonic are some of the manufacturers of NTC thermistor. EPCOS part number for reference only
B57164K153J (15kΩ @ 25°C). Murata part number for reference only - NCP03XH223J05RL (22kΩ @ 25°C)
Note 2: Graphs for reference. The de-rating limits can be programmed using the OT Programmer
Derating start = 6.3kΩ; Derating end = 4.3kΩ; Min output level = 10%
% Of Output Current
100
80
60
40
20
0
6.5
6
5.5
5
4.5
4
RNTC in kΩ
AstroDIM
AstroDIM is an autonomous five level (1 Power ON & 4 Dimming levels) dimming protocol. It provides multi-stage nighttime power reduction based on an internal timer; there is no need for an external control infrastructure. The ECG is
automatically aligned to the on and off times for the street lighting and provide a defined output for the particular period of
time. Compared with conventional systems there are significant cost savings. AstroDIM is designed for dimming without any
external control wiring. Therefore, AstroDIM helps to save energy, extend the life of the driver and the LED module and
reduce light pollution, even if only a power line is available. In AstroDIM operation, the driver executes a preset dimming
profile, which can be reconfigured via the OT Programming Tool. The autonomous dimming is regulated by an integrated
timer (no real-time clock), which adjusts the dimming profile according to the previous night (operation from switch-on to
switch-off).
7
LEDset 2
LEDset (Gen2) is an analog interface, allowing basic communication between a LED control gear and one or more LED
modules. It allows setting the output current of the LED driver by providing a highly accurate voltage reference
(Vset) to the driver. The interface supports the following functions:

Output current setting of the constant current LED control gear to single LED modules as well as to
series/parallel connected LED modules

Best matching of LED control gear and modules working point

Self-configuration according to system structure, automatic tracking of technology development

Easy mode of operation

Additional monitoring & protection features (e.g. thermal protection of the LED modules)
Therefore, the typical applications of this interface are single or multiple LED module parallel connections, offering an
increasing choice of modular capabilities and low cost thermal protections circuits.
For detailed information on LEDset interface please refer to Technical Application guide LEDset interface (LED 409)
Note 3: When the LEDset feature is enabled, the LED Thermal protection (NTC) feature is disabled.
CONSTANT LUMEN MAINTENANCE
The Constant Lumen Maintenance feature of the OT180W helps to maintain the required lumen output of the fixture at a
constant level throughout its lifetime. In general LED’s lumen output will depreciate over time and in order to maintain
sufficient light level towards the end of lifetime, the LED’s are driven at high current initially and will result in more energy
consumption. The constant lumen maintenance will give the flexibility to drive the LEDs at optimal driving current throughout
its lifetime. This helps in energy savings, constant light output and enhanced reliability of the system.
Note 4: A detailed step-by-step instructions are outlined in the ‘OT Programmer User Manual V2.1’
END OF LIFE INDICATOR
The End-of-Life indicator feature helps the end user to receive a signal from the fixture indicating that it has reached its
programmed life-time. After the LED driver reaches the programmed life-time, whenever it is turned ON, it stays at ‘Dim’
level (10%) for 10 minutes and reaches its appropriate level.
8
LIFETIME VS CASE TEMPERATURE
120
100
Life time (kHrs)
80
60
40
20
0
30
40
50
60
70
80
90
Case Temperature (°C)
DIMMER COMPATIBILITY
Manufacturer
Encelium EMS
SYLVANIA
Leviton
Lutron
Wattstopper
Synergy lighting Controls
Part no
EN-LCM-1R10V-GB2-BK
EN-LCM-1R10V-GB2-BK/DR
EN-ALC-1R10V-GB2-BK
EN-ALC-1R10V-GB2-BK-DR
ELMC-SL3W-TVWBX/UNV
IP710-DLX
DVTV-XX
ADF-120277
ISD BC
Note 5: The absence of a dimmer from this chart does not necessarily imply incompatibility. Please reference the dimmer
manufacturer’s instructions for installation.
9
UL CONDITIONS OF ACCEPTABILITY
Conditions of Acceptability – When installed in the end-product, consideration shall be given to the following:
Use – For use only in (or with) complete equipment where the acceptability of the combination is determined by UL LLC.


Rated output loading for these products was achieved using electronic loads.
The temperature tests were performed at nominal 40°C ambient for TL Type reference temperatures. These models were
also tested at elevated temperatures and the Tc applied for non-TL applications for these models is 90°C.
non-TL Type application:
Model No.
OT180W/347-480/1250C/2DIMLT2/P6
OT180W/347-480/800C/2DIMLT2/P6






Test temperature
46.7°C
52.6°C
As part of temperature testing, the case temperature at Tc was monitored. During the normal temperature test of the end
product, the temperature at Tc is to be monitored. The absolute value at T C cannot exceed the Specified T ref, noted in
product characteristics table for a TL application.
These products are intended for building in. Acceptability of the LED driver- with respect to mounting, spacing,
casualty, temperature and segregation- is to be determined as part of the end device evaluation.
These products are provided with 18AWG leads, refer to descriptive pages for input and output connections.
Acceptability of the leads relative to strain relief and secureness, is to be determined as part of the end device evaluation.
These products are dimmable using a low voltage 0-10 V or a DALI proprietary interface. This interface is a sink, since
the interface circuit operates from an external source of supply.
The interface circuit has been evaluated for isolation from primary (input) and secondary (output) circuits with spacings
based on the maximum rated branch supply, 347/480 Vac. A Dielectric test was applied to verify spacing in the dimming
circuit, at 2500Vac.
The PWB spacings for use in wet locations have been evaluated to UL8750 spacing requirements. The Unit is
completely potted spacing requirements comply with Table 7.4 in UL8750, Parts Potted or subsequently coated.
These drivers are Type TL rated and shall be marked with a TC point on the label for temperatures recorded during
temperature testing performed in a 40°C ambient.
Model No.
OT180W/347-480/XXXC/2DIMLT2/P6 (XXXC- 800mA max)
OT180W/347-480/YYYYC/2DIMLT2/P6 (YYYY= 1250mA max)

Tc rating at elevated temp.
90°C
90°C
Tc point on label, °C
90/76
90/83
These Drivers are 100% potted refer to ILL. 1 and 2 for assembly drawings demonstrating amount of potting applied
WARRANTY
OPTOTRONIC® products are covered by our LED Module, OPTOTRONIC Power Supply or Control Warranty. For additional
details, refer to the latest version of the warranty (LED089) available at www.osram-americas.com/optotronic
10
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