Page 1
Light is OSRAM
Technical Application Guide
PrevaLED
®
SKY Module
www.osram.asia
DEC
2015
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Technical Application Guide | PrevaLED®SKY Module
Contents
1. Introduction
1.1. System overview
1.2. System information
1.2.1. Nomenclature and marking
1.2.2. Technical data
1.2.3. Possible system combinations
2. Luminaire design
2.1. Optical considerations
2.1.1. Quality of light
2.1.2. CRI, CCT
2.2. Mechanical considerations
2.2.1. LED module & cable dimensions
2.2.2. LED power supply and cable dimensions
- OT outdoor On/Off 700mA IP65 Driver
- OT outdoor 2DIM IP64 Driver
2.3. Thermal Considerations
2.3.1. Tc location and temperature measurement.
2.3.2. Over temperature protection - OTP
2.4. Electrical considerations
2.4.1. Insulation coordination for PrevaLED®SKY LED modules
2.4.2. Wiring information
2.4.3. Electrostatic discharge (ESD)
2.4.4. Wiring in protection class I and II luminaires
3. Installation guide
3.1. Application of installation for module orientation
3.2. Application of installation sketch map for optics
3.2.1. Installation of one LED module inside a luminaire
3.2.2. Installation of more than one LED module inside a luminaire
3.3. LED module application and mounting layout.
3.4 Application of mechanical installation
4. Norms and standards
4.1 Norms and standards for PrevaLED®LED modules and light engines
4.2 Photobiological safety
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Please note:
All information in this guide has been prepared with great care. OSRAM, however, does not accept liability for possible
errors, changes and/or omissions. Please check www.osram.com or contact your sales partner for an updated copy of this
guide. Please make sure you are always only using the most recent release of the application guide.
2
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Technical Application Guide | PrevaLED®SKY Module
Introduction
1 Introduction
1.1. System overview
The OSRAM’s PrevaLED®SKY is a high power LED module with integrated heat sink for optimal
thermal management and tailored optical design. The modular design concept of PrevaLED®SKY
allows for design flexibility by varying the module quantity to achieve the best street lighting solution
for difference application from Road lighting to Area lighting.
The LED module is available in different color temperature (4000K and 6500K), offering very long
lifetime with minimal maintenance. PrevaLED®SKY is an IP66 unit ideal for outdoor applications.
BENEFITS
Tailored optical design
- Special designed lenses optimized the light distribution across the road for different road class
requirements and also difference application required Highbay, Lowbay and Area floodlight
illumination.
IP66 protection
- Self contained housing with heat sink for excellent thermal management, no extra protection is
needed
High energy efficiency
- Constant current driven maximizing system efficiency
Stackable & maintainable module
- Simple screw fixing module allowing multiple module configuration in luminaires
Long life time
- Optimized for extended lifetime and lumen maintenance
Module weight
- fully integrated IP66 module with optical and heat sink as less than 400g.
Additional details on optical, thermal, mechanical and electrical characteristics can be found in the
following sections. Further and updated information (IES files, CAD files and updates of this guide)
will be posted at www.osram.com.
3
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Technical Application Guide | PrevaLED®SKY Module
Introduction
PrevaLED®SKY: Two power packages
Remark: customized requirement for different CCT and CRI on request.
+
+
OPTOTRONIC®LED
Power supply
Waterproof connector
accessories
1.2. System information
PrevaLED®SKY Module
(with or without
waterproof connector)
4
Parameter HP LP
Electrical Power @700mA (typical) 50W 25W
Light
Output
Flux [lm] 6000 6000 3000 3000
CCT [K] 6500 4000 6500 4000
CRI 70 70 70 70
Light Distribution /
Beam Angle
60ox 60o, 100ox 100o, 100ox 60o, 150ox 80oT40o(C/S)
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PL- SKY- HP 7 40 L150x80T40S
Technical Application Guide | PrevaLED®SKY Module
Introduction
1.2.1. Nomenclature and marking
The PrevaLED®product series follows a consistent naming convention for identifying key
parameters of the LED module and the LED power supply.
LED Module
Product Family
PL: PrevaLED
®
Series Shape
SKY
Type
HP: High Power
LP: Lower Power
CRI
7: CRI>70
8: CRI>80
CCT info
30: 3000K
40: 4000K
50: 5000K
65: 6500K
Optic
L60x60 High bay
L100x100 Low bay
L100x60 Asymmetric Floodlight
L150x80T40S Streetlight for ME1 ME2,
Staggered / Opposite mount with 40oTilting
L150x80T40C Streetlight for ME1 ME2,
Central mount with 40oTilting.
5
Page 6
LED power supply: OSRAM Outdoor ECG 2DIM
LED power supply: OSRAM Outdoor ECG On/OFF
Technical Application Guide | PrevaLED®SKY Module
Introduction
6
OT 50/120…277/700 P5
Product Family
OT: OPTOTRONIC
®
Wattage:
50W
Input voltage:
120-277V AC
Max output current
700mA
P5
IP rating: IP65
Product Family
OT: OPTOTRONIC
®
Wattage:
110W
Input voltage:
120-277V AC
Max output current
1400mA
2DIM
2DIM: 0-10V, Astro DIM
LT2
LEDset2 (LED module interface)
P
Humidity-protected with IP64
OT 110/120-277/1A4 2DIM LT2 P
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Technical Application Guide | PrevaLED®SKY Module
Introduction
1.2.2. Technical data
All values regarding system efficiency and system power consumption refer to the complete
system and are measured at Ta=25oC. For the data with marker, please see the remark at the
end of the table.
7
1) Due to the special conditions of manufacturing processes of LED, the typical data of technical parameters can only
reflect statistical figures and do not necessarily correspond to the actual parameters of each single product. Actual
lumen output can be varied due to many factors like lamp factor of LED, input current/voltage, thermal conditions,
many other optical tolerance, and measurement tolerance. The data above is for reference only. Please contact
Osram sales or marketing staff for advice if customers has any specific demand on particular parameters. Ranking
at Ta = 25°.Tolerance of measurements for the colour rendering Ra is ±2.
2) The LED modules are designed for operation with OT OPTOTRONIC® ECGs or other equivalent driver. Exceeding
maximum ratings for operating and storage temperature will reduce the expected lifetime or destroy the light engine.
The temperature of the LED module must be measured with a temperature sensor at the Tc point, according to
EN60598-1 and in thermally settled conditions. For the exact location of the Tc point, see the drawing in chapter
2.3.1. Tc location and measurement.
LED
module
1)2)
Typical / Max
input
current
[mA]
Typical
input
voltage
[V DC]
Input
voltage
range
[V DC]
Module
power
[W]
Luminous
flux
[lm]
1)
Module
efficacy
[lm/W]
CCT
[K]
CRI
Beam Angle
[o]
Ta
[oC]
Lifetime
(L70/B50)
at Tc point
[h]
2)
PrevaLED®SKY
PL-SKY-HP 700 / 770 70
66.0
to
76.4
50 6000 120
4000
70
150
o
x 80oT40
o
S
(For Single-
sided / Opposite
mount)
150ox 80
o
T40oC
(For Twin-
central mount)
60ox 60
o
100o x 100
o
100ox 60
o
-30to
+50
50000
at
Tc90oC
6500
PL-SKY-LP 700 / 770 35
33.0
to
38.2
25 3000 120
4000
70
50000
at
Tc90oC
6500
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Technical Application Guide | PrevaLED®SKY Module
Introduction
8
Outdoor
ECG
On/OFF
Nominal
output
power
[W]
Typ.
Efficiency
3)
Output
Current
[mA]
Ta
[oC]
Tc max.
[oC]
Lifetime L90
at Tc point
[h]
4)
OT 50/120-277/700 P5 17-50
87%
700 -40 to +55
80 80000 at Tc=70oC
OT 100/120-277/700 P5 50-100
90% 85 80000 at Tc=75oC
OT 180/120-277/700 P5 80-180
90% 90 80000 at Tc=80oC
OT 250/120-277/700 P5 125-250
92% 80 80000 at Tc=70oC
3) At Full load, input voltage=230V/50Hz condition.
4) At input voltage=220-240VAC condition.
3) At Full load, input voltage=230V/50Hz condition.
4) At input voltage=220-240VAC condition.
5) AstroDIM, 0-10V, LEDset2
6) At input voltage=220-240VAC/277VAC
7) 0.13% / 1’000 h failure rate
Outdoor
ECG
2DIM
Nominal
output
power
[W]
Typ.
Efficiency
3)
Output
current
[mA]
Control
Ta
[oC]
Tc max.
[oC]
Lifetime
at Tc point
[h]
7)
OT 50/120-
277/800
2DIMLT2 P
11-50
86% 350-800
LEDset2
and
2DIM
6)
-40 to +55
4)
85 80000 at Tc 75oC
OT 50/120-
277/1A2
2DIMLT2 P
12-50
86% 600-1250 80 80000 at Tc 70oC
OT 100/120-277/800
2DIMLT2 P
45-100 90% 350-800
-40 to +55
6)
85 80000 at Tc 75oC
OT 110/120-277/1A4
2DIMLT2 P
45-110 90% 1400 85 80000 at Tc 75oC
Page 9
Technical Application Guide | PrevaLED®SKY Module
Introduction
1.2.3. Possible system combinations
Within rated power and voltage range, PrevaLED®SKY modules and OPTOTRONIC® power
supplies can be flexibly combined. Valid and possible combinations of LED modules and ECGs
are shown in the table below.
9
PrevaLED®SKY Module
System matching with OT outdoor On/Off 700mA IP65 Driver
3K lm
SKY 4 DC
– 25W
SKY 4 DC
– 50W
50W OT
6K lm
9K lm
12K lm
9K-12K lm
12K-15K lm
15K-18K lm 15K-25K lm 15K-25K lm
SKY 4 DC
– 50W
SKY 4 DC
– 25W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
SKY 4 DC
– 25W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
SKY 4 DC
– 25W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
100W OT 180W OT
250W OT
PrevaLED®SKY Module
System matching with OT outdoor 2DIM IP64 Driver
SKY 4 DC
– 50W
50W OT 100W OT
165W OT
3K lm 6K-9K lm
6K-9K lm
9K-12K lm
12K-15K lm 15K-18K lm
SKY 4 DC
– 25W
SKY 4 DC
– 25W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
SKY 4 DC
– 50W
SKY 4 DC
– 25W
Attention:
All Combinations are affected by the maximum length of the cabling. Maximum cable length from the
OPTOTRONIC®LED power supply to all LED modules connected in series must not be longer than 10m.
Please ensure that the power supply is of adequate power to operate the total load.
PrevaLED®SKY outdoor module needs to be connected with constant current DC driver which must has
stable constant current (+/-10% tolerance suggested) output.
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Technical Application Guide | PrevaLED®SKY Module
Luminaire Design
10
2. Luminaire Design
2.1. Optical considerations
2.1.1. Quality of light
The PrevaLED®SKY optical design has three light-emitting zone consisting of optical lens and
high power LEDs, as shown in the image above.
PrevaLED®SKY light engines are suitable for several applications (both indoor and outdoor).
Wavelength spectrum of 4000K LEDs Wavelength spectrum of 6500K LEDs
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Technical Application Guide | PrevaLED®SKY Module
Luminaire Design
11
2.1.2. CRI, CCT
The nominal available correlated color temperatures (CCT) of LED modules are 4000K and
6500K. The color rendering Index (CRI) is >70 for all LED modules.
Color bin of PrevaLED®SKY modules with CCT:4000K Color bin of PrevaLED®SKY modules with CCT:6500K
2.2. Mechanical considerations
2.2.1. LED module and cable dimensions
The figures below provide further details on the dimensions of the available PrevaLED®SKY
LED modules.
Handle with care!
Please keep the lens of module clean.
The LED module itself and all its components may not be
mechanical stressed.
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Technical Application Guide | PrevaLED®SKY Module
Luminaire Design
12
2.2.2. LED power supply and cable dimensions
- OT outdoor On/Off 700mA IP65 Driver
OT 50/120-277/700 P5 OT 100/120-277/700 P5
OT 180/120-277/700 P5 OT 250/120-277/700 P5
Cable dimensions of driver
Item Unit
Value
OT 50/120-277/700 P5 OT 100/120-277/700 P5 OT 180/120-277/700 P5 OT 250/120-277/700 P5
Input
a mm
2
0.5 0.75
b mm 5.4±0.2 5.9±0.2
c mm 280 355
Output
a mm
2
0.5
b mm 6.7±0.2 6.7±0.2
c mm 280 355
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Technical Application Guide | PrevaLED®SKY Module
Luminaire Design
13
OT 50/120-277/800 2DIMLT2 P
OT 50/120-277/1A2 2DIMLT2 P
OT 100/120-277/800 2DIMLT2 P
OT 110/120-277/1A4 2DIMLT2 P
LED power supply dimensions
- OT outdoor 2DIMmA IP64 Driver
Driver dimensions
Item Unit
Value
OT 50/120-277/800
2DIMLT2 P
OT 50/120-277/1A2
2DIMLT2 P
OT 100/120-277/800
2DIMLT2 P
OT 110/120-277/1A4
2DIMLT2 P
Input
&
Output
a mm
2
0.75
b mm 280 280
Cable dimensions of driver
Page 14
Technical Application Guide | PrevaLED®SKY Module
Luminaire Design
14
2.3. Thermal considerations
The PrevaLED®SKY LED module has integrated heat sink providing optimal thermal management.
Customer do not need to install extra heat sink for the SKY LED module.
However, it is suggested to check the thermal condition of the PrevaLED®SKY LED module in the
luminaire. Make sure the LED module is working in environment with enough space.
2.3.1. Tc location and temperature measurement
The thermal condition of LED module has to be verified by measuring the temperature at the Tc
point. The Tc point is located on the back of the module (see figure below).
Tc point
The temperature at the Tc point can be measured by
using a thermocouple which can be glued or soldered
to the LED module.
Please make sure that the thermocouple is fixed to
the Tc point with a direct contact (a). It would be
better to paste the thermocouple on the heat sink or
luminaire by a tape (b) to prevent it dropping from Tc
point.
a
b
Note: Please keep in mind that you need a
direct contact between the thermocouple and
the heat sink.
Examples of recommended thermocouples are shown
below.
Illustration Description
Temperature range
[°C]
PVC-insulated
thermocouple
-10…+105
PFA-insulated
thermocouple
-75…+260
Sprung
thermocouple
-75…+260
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Technical Application Guide | PrevaLED®SKY Module
Luminaire Design
15
2.3.2. Over Temperature Protection (OTP).
In case the PrevaLED®SKY module working over temperature, customer can select OSRAM OT
2DIM LED driver as power supply.
With the thermal protection function of OT 2DIM LED driver, customer can use a NTC (Negative
Temperature Coefficient Thermistor) sticking on the Tc point of PrevaLED®SKY module to realize
the over temperature protection function.
Customer need to program the parameter of NTC into OT 2DIM LED driver via device of ‘OSRAM
OT Programmer’ and the software “Tuner4TRONIC®”. See below graph.
Also, a real application temperature test will be needed to verify the OTP function by customer.
With the OTP function’s help, the
OSRAM OT 2DIM driver will decrease its
output current when the NTC
temperature on the Tc point reach to the
preset parameter.
2.4. Electrical considerations
2.4.1. Insulation coordination for PrevaLED®SKY LED modules
All tests validating this kind of information were done with OPTOTRONIC®ECGs. In accordance
with EN 61347-2-13. The insulation designed working voltage U-out is 500V for this module.
The product was designed as built-in LED module which can only fulfil basic insulation. It should
be applicable to Class I luminaires. If it is used in Class II luminaires, the final user should make
sure the safety protection in final luminaires construction.
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Technical Application Guide | PrevaLED®SKY Module
Luminaire Design
16
2.4.2. Wiring information
The PrevaLED®SKY LED module provide 2 type of input wire:
- Input wire with tin plated at the end of wire (a)
- Input wire with M15 waterproof connector (b)
a b
For the type ‘a’ wire, if module need to work in moist environment, user should add a waterproof connector or terminal
box for the wire of module and driver to fulfill the waterproof requirement. User can also use general non-waterproof
connector, but it needs to make sure the luminaire can provide sufficient IP rank for the system.
For the type ‘b’ wire, user need to confirm that the other components in system, for example driver, are using the same
M15 waterproof connector so that the system can be waterproof.
PrevaLED®SKY cable information
Item Unit Value
Input
a mm
2
0.75
b mm 6.1±0.3
c mm 650
Brown: connect to LED+ of driver.
Blue: connect to LED- of driver.
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Technical Application Guide | PrevaLED®SKY Module
Luminaire Design
17
System wiring between OT outdoor On/Off driver and PrevaLED®SKY
LED+
(red)
OT 50/120-277/700 P5
LED Driver
waterproof
connector
One driver to one LED module
LED-
(black)
PrevaLED
®
SKY
OT 180/120-277/700 P5
LED Driver
LED+
(red)
LED-
(black)
+(brown)
-(blue)
waterproof
connector
One driver to three LED module
PrevaLED
®
SKY
Attention:
Please make sure the connectors are suitable for the driver’s wire and the system
connection can meet respective IP requirement.
For the wire information, please refer to 2.2.2.
The waterproof condition for input wire of driver also need to be taken into
consideration.
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Technical Application Guide | PrevaLED®SKY Module
Luminaire Design
18
2.4.3. Electrostatic discharge (ESD)
To protect the light engine from electrostatic damage, the module must not be opened. The light
engine fulfills the requirement of the immunity standard IEC/EN 61547. ESD Protection: contact
4kV and air 8kV.
Please pay attention to standard ESD precautions when installing the module.
If surge protection structure not within power supplier, a lightning protector should be needed
additionally for outdoor application.
2.4.4. Wiring in protection class I and II luminaires
OPTOTRONIC®LED power supplies of the OT driver are designed for different luminaires. The
EQUI connection needs to be established via the casing. Please ensure a proper electrical
connection.
For the class I luminaires, the EQUI must be connected to the heat sink of the LED module to
improve the surge withstand capability of the system and EMI in critical luminaires. The
connection of the EQUI (= casing) to protective earth is only necessary in protection class I
luminaires.
The product was designed as built-in LED module which can only fulfill basic insulation. It should
be applicable to Class I luminaires. If it is used in Class II luminaires, the final user should make
sure the safety protection in final luminaires construction.
Class I luminaires
The PE wire must be connected to touchable metal parts of the luminaire. It is highly
recommended to connect the PE of the luminaire to the equipotential of driver and module as
well.
Waterproof
Junction box
LED luminaire, protection class I
Page 19
Technical Application Guide | PrevaLED®SKY Module
Installation Guide
19
3. Installation Guide
Note: The installation of LED systems (LED modules and ECGs) needs to be carried out in compliance with all applicable
electrical and safety standards. Only qualified personnel should perform installations.
3.1. Application of installation for module orientation
Recommended application:
Gravity
orientation
0~360° is recommended as show
3.2. Application of installation sketch map for optics.
Pole position
Light distribution orientation
Road orientation
3.2.1. Installation of one LED module inside a luminaire
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Technical Application Guide | PrevaLED®SKY Module
Installation Guide
20
Light distribution orientation
3.2.2. Installation of more than one LED module inside a luminaire
Pole position
3.3 LED module application and mounting layout
or
a) 150º x 80º T40º S
Staggered or Opposite
b) 150º x 80º T40º C
Twin-central
6000 lm
3000 lm
6000 lm
3000 lm
Road orientation
Longitudinal(150
o
)
Transverse (80o)
Longitudinal(150
o
)
Transverse (80o)
Tilting (40o)
Tilting (40o)
Page 21
Technical Application Guide | PrevaLED®SKY Module
Installation Guide
21
Pole position
c) 150º x 80º T40º S + 150º x 80º T40º C
Single Side mounting
Need combine two optics in one luminaire
d) 100º x 60º
6000 lm 3000 lm
e) 60º x 60º
Asymmetric
(Floodlight)
High bay
>5m
6000 lm 3000 lm
f) 100º x 100º
3-6m
Low bay
6000 lm 3000 lm
Transverse (100o)
Longitudinal
(60
o
)
Transverse (60o)
Longitudinal
(60
o
)
Transverse (100o)
Longitudinal
(100
o
)
Page 22
Technical Application Guide | PrevaLED®SKY Module
Installation Guide
22
3.4. Application of mechanical installation
When install more than one PrevaLED®module in
luminaire, please separate the module in order to
get better cooling.
When finish design of luminaire, please test the
temperature of Tc point on each module. Make sure the Tc
not exceed the Tc max when the luminaire is working
under max ambient temperature with max tolerance input
DC current.
Operating Tc range:
-30 … 90ºC (measure at Tc point) for HP
-30 … 90ºC (measure at Tc point) for LP
Suggested min.
clearance distance
between modules
>10mm.
The temperature
will get higher if
modules stay closer.
Please keep the module
lens clean. Any stains or
mechanical damage will
affect the optical
performance of LED
module.
It will help to decrease
module temperature
if there is opening on
the luminaire.
Suitable for M4 screw.
IP connector and adaptor
should NOT be touching
the heat sink.
Please do not remove the plastic
cover and keep the module as
original mechanical shape.
Other important note:
a) The LED module itself and all its components may
not be mechanical stressed.
b) Assembly must not damage or destroy conducting
paths on the circuit board.
c) To avoid mechanical damage to the connecting
cables, the module should be attached securely to the
fixture. Heavy vibration should be avoided.
d) Installation of LED modules with (power supplies)
needs to be made with regard to all applicable electrical
and safety standards. Only qualified personnel should
be allowed to perform installation.
e) Pay attention to standard ESD precautions when
installing the module.
f) If surge protection structure not within power supplier,
a lightning protector should be needed additionally for
outdoor application.
g) The design of the housing should be according to the
IP standards in the application..
Provision for safety
chain connection.
To reduce risk of
accidental drop during
maintenance.
Page 23
Technical Application Guide | PrevaLED®SKY Module
Norms and Standards
23
4. Norms and standards
4.1. Norms and standards for PrevaLED® LED modules and light engines
IP Rating IP66
Standard IEC 62471; EN 60529; EN 62031;IEC 60598-1; EN 55015; EN 61547
Flammability IEC 60598-1
Environment RoHS
4.2. Photobiological safety
The module unit has been classified as Exempt Group 2 at measurement conditions (500lx,
200mm) according to IEC 62471..
The luminaire should be positioned so that prolonged staring into the luminaire at a distance
closer than 1,86 m is not expected
Page 24
www.osram.asia
OSRAM Asia Pacific Management Company
China office:
Sales and Technical Support
5/F, Hantang Building, Overseas Chinese Town,
Shennan Ave, Nan Shan District,
518053, Shenzhen, Guangdong, P.R. China
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