www.osram.com/lightingsolutions
Light in perfect form
Siteco DL® 50 LED
A pioneering range of luminaires for technical decorative road lighting. Light is OSRAM
DL® 50 LED | Family Concept
Future-safe planning
and reliable quality of light
The DL® 50 LED enables future-safe planning and the
sustainable use of a single luminaire range, using one LED
platform throughout with consistent quality of light. Further
LED technology developments do not modify the light
effect of the system, and future, more efficient LED
modules can be seamlessly integrated into existing
installations.
A luminaire range in impeccable form
DL® 50 LED combines aesthetics with state-of-the-art technology
Good design is simple, clear and convincing. With its
uniform style of design, the DL® 50 LED range of luminaires
provides new options for urban lighting. The starting point
is a housing concept featuring two construction sizes, with
the design referencing the characteristic basic form of
technical decorative road luminaires in a discreet but
concise way.
Technologically, the DL® 50 LED makes full use of the
benefits of innovative LED road luminaires – very high
efficiency, a long lifespan and almost complete freedom
from maintenance provide decisive cost advantages in the
long run. Outstanding lighting technology also achieves
qualitative and harmonious lighting results, and suitable
controls enable further optimisations.
The DL® 50 LED range provides planners with a luminaire
family for highly diverse lighting tasks in the form of a posttop luminaire, side-entry luminaire and catenary luminaire,
with light distribution characteristics for various standard
applications, and three light colours. From historic plazas to
new residential roads and from narrow paths in parks to
multi-lane collection roads, this platform fulfils all typical
photometric requirements.
The DL® 50 LED – tools for designing with light, providing
more quality of life in public spaces.
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Product video. The DL® 50 LED video.
Scan in the QR code or see:
www.siteco.com/dl50-video
DL® 50 LED | Family Concept
DL® 50 LED – connections
The DL® 50 LED features a modular construction: required elements are
assembled as a precisely matched kit, giving a consistent design style,
simpler mounting and optimised stock-keeping.
Mast luminaire
Luminaire housing for
mast mounting
Side entry mast mounting element
Post-top mast mounting element
Catenary luminaire
Luminaire housing for
catenary mounting
Wire suspension
1-axis
Wire suspension
2-axis
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DL® 50 LED | Construction Sizes
Ideas originating from a single cast
Uniform illumination along all routes
Convincing city marketing and good light belong together.
A balanced sense of lighting has an inviting feel and
increases the appeal of a location, strengthening its image
for citizens, companies and visitors. Good lighting concepts
are in this sense based on uniform overall appearances with
homogeneous luminaire designs, harmonious illumination
and coordinated light colours. This is achieved only by a
holistically designed luminaire range such as the DL® 50
LED with diverse variants.
The basis for this is its modular, integrative concept, and
the DL® 50 LED is not only available as a mast and catenary
luminaire but also in the two mini and midi construction
sizes. Different lumen packages can be also specified.
Three light colours are available: warm white (3000 K) for
example for plazas, parks, residential streets and paths,
and neutral white and daylight white (4000 K or 5000 K) for
roads with flowing traffic. The robust but simultaneously
relatively lightweight construction simplifies mounting and
planning with catenary applications.
15 m
12 m
9m
6m
3m
View not to scale
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DL® 50 LED | Construction Sizes
DL® 50 LED – construction sizes
The DL® 50 LED enables the art of uniform appearances. All variants are
equipped with 3-zone faceted reflectors, converting the high luminance levels of
the LEDs into uniform, glare-free light – for perfect visual conditions even in very
different applications, road geometries and luminaire mounting heights.
DL® 50 mini LED
Lumen package: 1350 lm... 5670 lm
Light colours: 3000 K/4000 K
Mounting height: 4 m ... 6 m
Diameter: 500 mm
DL® 50 midi LED
Lumen package: 6360 lm... 13.200 lm
Light colours: 4000 K/5000 K
Mounting height: 6 m ... 10 m
Diameter: 640 mm
Lighting classes
P1
DL® 50 mini LED mast luminaire
DL® 50 midi LED mast luminaire
DL® 50 mini LED catenary luminaire
DL® 50 midi LED catenary luminaire
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P2
P3
P4
P5
P6
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M1
M2
M3
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M4
M5
M6
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DL® 50 LED | Design
Perfect looks during
the day and at night
Light and design point the way
Professional road lighting is a visitor's card for a town or
city, indicating at the approaches to municipal areas the
quality of complete urban lighting in the centre and
residential districts.
The harmonious lighting results of the DL® 50 LED with soft
transitions in brightness and without dark zones increases
the quality of stay. A municipal lighting of this quality invites
to linger on plazas, communicating a feeling of safety and
facilitating orientation on roads and paths. It thus upgrades
the urban space, is able to improve the sense of well-being
for residents and is perceived as a sign of genuine esteem.
The DL® 50 LED is an eye-catcher: its circular construction
references familiar technical decorative luminaire designs
and blends discreetly into various styles of architecture. Its
low construction height and balanced proportions radiate a
sense of elegance and high aesthetic quality, becoming
particularly apparent when viewing a complete road
section. The extensive modularity of the DL® 50 also
enables the continuous and harmonious design of road
appearances in all urban areas.
High quality. The inherent quality and
outstanding materials of the luminaire,
manufactured of powder-coated diecast
aluminium, communicate a uniquely
aesthetic quality.
Reduced. Segments of the luminaire cover
not needed for light emission are printed to
improve the optical appeal of the luminaire
when directly viewed from below.
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DL® 50 LED | Design
Pleasant. An inviting impression for residential streets is becoming an increasingly important
location factor for municipalities. Above: DL® 50 mini LED post-top luminaire, 4000 K
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DL® 50 LED | Lighting Technology
Always with a complete perspective
Premium lighting technology for greater safety and acceptance levels
Only LED luminaires with mature and sophisticated lighting
technology prevent disturbing glare, whereas insufficiently
glare-reduced luminaires are a nuisance for residents.
Freely visible LEDs may dazzle car drivers and therefore be
a safety risk.
The DL® 50 LED offsets this risk with reflector technology
that sets standards – the 3-zone faceted reflectors
transform the high luminance values of the LEDs into highly
homogeneous, standard-compliant illumination with flowing
contrast transitions. Visual comfort and therefore the
perception for identifying hazard situations is improved,
and vehicle drivers gain a better overview of traffic
situations with more time to respond. Older traffic
participants in particular benefit from this. The result is that
the feeling of safety increases, as well as overall acceptance for a new LED lighting system.
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3
1
3-zone faceted reflector light distribution
1 Far field
The central faceted reflector guides most of the emitted
light specifically into the far field.
Central field
Light is emitted without deflection and highly efficiently
directly from the luminaire. LEDs from typical observer
positions cannot be seen. Direct glare is impossible.
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3 Near field
The lateral faceted reflector guides the light to the area directly below the luminaire. The light distribution ensures
best possible glare restriction.
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DL® 50 LED | Lighting Technology
DL® 50 LED – light distribution
Increased comfort with a diverse optical system - the LED module of the DL® 50 LED is
equipped with precisely matched reflector geometries for all typical application areas.
Siteco has developed a new system for light distribution, and the new designations should
make it simpler for customers to specify appropriate luminaires for their applications.
The corresponding modular kit will continue to be expanded.
See page 20/21 onwards for more detailed information.
Mast luminaire
light distribution
DL® 50 mini LED
P1.0a, asymmetric
extremely wide distribution
ST1.2a, asymmetric
wide distribution
DL® 50 midi LED
ST1.2a, asymmetric
wide distribution
Catenary luminaire
light distribution
DL® 50 mini LED
P1.0s, symmetric
extremely wide distribution
DL® 50 midi LED
ST1.2s, symmetric
wide distribution
0% 0°
No light spill
Light from the DL® 50 LED is guided completely to the ground.
This prevents almost all light spill into the night sky. Nocturnal animals
are disturbed less and visibility of the cosmic hemisphere is improved.
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DL® 50 LED | Efficiency
Permanently good for the budget
A smart system saves energy and costs
Aesthetically ambitious urban lighting can also pay off.
Thanks to premium components and an optimally
coordinated system consisting of housing, LED light source,
optics and electronic control, the DL® 50 LED achieves a
luminaire luminous efficacy of up to 106 lumens per watt.
The complete luminaire system has been designed totally
for LED technology, and the tough but comparatively
lightweight luminaire body of diecast aluminium ensures
optimal thermal surroundings for the LED modules. These
are connected directly to the luminaire body via large
contact surfaces, which in turn reliably dissipate the heat
typical of LED technology. This concept ensures a long
lifespan and further improves the efficiency of the complete
system.
Total cost analysis verifies
long-term savings*
A clear advantage for LED – with a total
consideration of investment, operating and
maintenance costs over the complete service life
of the luminaire, the DL® 50 LED is clearly ahead
of its time.
The higher investment costs can be amortised
after only 4.77 years, with consideration of
reduced mode, compared to obsolete HME
luminaires.
Rapid amortisation
Total investment DL® 50 LED
Total savings after 25 years of operation compared to a HME system
approx. 24.000 Euro
approx. 100.000 Euro
systems operation in years
amortisation period*
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10
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*Basis for calculation: 1 km carriageway, 28 light points, 4,000 operating hours/year, 0.20 euros per kW/h
Static cost comparison: Old system: HME 250 W (268 W), 4,000 hrs. with 100 %; new system: DL® 50 midi LED Plus, 1600 hrs. with 100 %
= 89 W; 1400 hrs. reduced mode with 50 % = 40 W; 1000 hrs. reduced mode with 25 % = 21 W; amortisation of surplus investment costs
after approx. 4.77 years; **Comparison of energy consumption: DL® 50 midi LED Plus (see above) with HST/HSE 150 W (161 W);
1600 hrs. with 100 % = 161 W; 2400 hrs. reduced mode with 50 % = 90 W
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DL® 50 LED | Efficiency
Image-enhancing. Municipalities set a clear signal with high-quality LED road lighting:
"We save energy and contribute to environmental protection."
Above: DL® 50 midi LED, side-entry luminaire with supplementary bracket, 4000 K
DL® 50 LED – efficiency factors
LED is clearly more efficient than HST/HSE**
—High energy efficiency: very low consumption values cut power overheads by up to
80%
—Optimised maintenance: assembled
electronic components remain on the mast
for approximately 20 to 25 years with
typical use, and without major maintenance
work. Rated service life up to 100,000 h
(L90/B10)
—Simplified stock-keeping: Post-top or sideentry elements are suitable for both
luminaire housing construction sizes.
Stock-keeping costs are cut.
The DL® 50 LED also represents the better alternative
compared to lower-cost HST/HSE luminaires in terms of
purchase price. Customers benefit from significantly reduced
long-term energy consumption and lower operating costs (no
more relamping), even if HST/HSE luminaires are operated in
reduced mode. A further plus with LED solutions: control
options that in the future will become ever more important are
already completely integrated in accordance with customer
specifications.
Comparison of energy consumption
HST/HSE
DL® 50 midi LED
100 %
48 %
Saving
52 %
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DL® 50 LED | Control
More comfort and new ideas
Intelligent control improves the quality of life
In cars, ABS, ESP and dynamic headlighting provide
improved safety, and the intelligent control of heating,
blinds, lighting and air-conditioning improves the living
quality in new buildings. With the DL® 50 LED, intelligent
control electronics ensure that precisely the right quantity of
light is emitted to the specific target at the right time, in turn
improving energy efficiency and the quality of life in public
spaces.
DL® 50 LED luminaires completely exploit the potential of
mature LED technology. Thanks to intelligent control,
luminaires can be set individually or as groups for specific
lighting tasks, and dimming values and durations can be
specified, meaning operation is according to requirements
and with optimised energy consumption.
Intelligent light management improves the level of comfort
in public spaces and represents a positive location factor
for competing municipalities – inner city areas that have a
gastronomic flair are transformed into oases of well-being
thanks to inviting light. Sightseeing attractions highlighted
with light are harmoniously emphasised because wide-area
and road lighting systems are matched accordingly.
Residential areas also radiate a high quality of life, because
residents are aware during the day and night that they are
in surroundings worth living in.
Three functional packages are available:
Premium functional package
— Maximum flexibility and efficiency via integration into intelligent, networked light management and monitoring systems
Plus functional package
— Intelligent, self-sufficient light management system for lighting according to
requirements based on individual programming
— Electronic type plate and automatic data exchange for smart performance updates
Basic functional package
— Night-time reduction at times of low traffic density to 50% rated luminous flux,
at less than 50 % rated power, via one control wire
Functional package details
Standard
Overheat
protection
Efficiency
Power
reduction
Flexible
luminous flux
configuration
Communication
Timedependent
luminous flux
control
Constant
luminous
flux control
Premium
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Plus
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Basic
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Digital
communication
interface
Street
Light
Control
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Automatic
data
exchange
Electronic
type plate
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DL® 50 LED | Smart City
DL® 50 LED for smart cities
Internet access via luminaires
WLAN in public spaces is no longer just a distant reality and
primarily no longer a mammoth infrastructure project. This
growing desire of politicians, companies and residents can
become reality – with the Street Light Control (SLC) light
management system, a component of the DL® 50 LED
Premium functional package.
The new generation of the SLC system wirelessly connects
luminaires via radio in a network, based on the new, futurefit IP V6 network standard. Information is transmitted from
light head to light head and communicated with a router via
internet to the central control point. The system has
sufficient flexibility to intelligently search for another path in
a self-healing way if a unit fails.
This radio network is available everywhere where luminaires
are located, and has the capability to become the backbone for completely new smart city services – on the one
hand for wide-area information network structures in towns
and cities, and on the other for new sensor-supported
services, used for example to register free parking lots or
measure traffic density levels, navigating drivers to parking
spots and guiding complete traffic flows through urban
areas. Municipal services can also be connected up to the
system, for example when sensors communicate the filling
states of garbage containers. Appealing technical options
also become available for advertisers with the supply of
real-time information to displays.
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DL® 50 LED | Mounting
Nothing’s simpler for installers
Intelligent details simplify mounting
Why make it complicated when it could be easy?
Mounting all DL® 50 LED variants is child's play – the mast
luminaires are equipped with a flexible power cable that
only needs to be lowered vertically within the mast, and
catenary luminaires feature an external plug connector for
especially quick installation. Mast fixing is also smart, with
one connection for post-top mounting and one for sideentry,
suitable for mini and midi – a visually uniform design, technically convincing and with very simple handling.
Siteco's renowned material and engineering quality is also
a matter of course. The cable outlet and inclination angle
adjuster are located internally, and the cover of the specific
mast element is opened and closed via a single screw.
A further benefit is that luminaires and connections are
delivered separately, making ordering easier and reducing
levels of stock. 60/42 mm or 76/60 mm reducers facilitate
variable use.
Precise setting of
luminaire tilt
The mast luminaires' central
mounting point and cable
outlet are on the upper
luminaire side. The precisely
fitting mast element is
equipped with an inclination
angle adjuster, clicking in
precisely and fixed with just
two screws.
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DL® 50 LED | Mounting
Inclination range 0°/5°/10°
DL® 50 LED – stability and safety
—Insulation class II, protection rating IP66, impact
resistance IK08
—Overheat protection modifies luminaire output at
high temperatures and returns it to the specified
level after the cooling off period.
inclination range 0°/-5°/-10°/-15°
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DL® 50 LED | Maintenance
Integrative. The DL® 50 LED with its timeless design also blends harmoniously into heritage
architectural surroundings, highlighting the uniqueness of streets and plazas.
Above: DL® 50 midi LED catenary luminaire, 3000 K
Up-to-date in the long term
A module concept enabling future upgrades
Only high quality electronic components and perfectly
manufactured materials are used in the DL® 50 LED. The
luminaire housing, as with the post-top and side-entry mast
mounting elements, is of diecast aluminium. The smooth
surface with a weather-resistant powder coating in Siteco®
grey metallic (DB 702S) has a self-cleaning effect, and the
lower edge of the luminaire housing protrudes over the
optical enclosure by a few millimetres to form a drip edge.
While relamping is needed every three to six years with
conventional luminaires, the LED module of the DL® 50 LED
has been designed for a lifespan of 22 to 25 years under
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typical use. The housing itself can be used far longer than
25 years and can remain on the mast. The ECG and LED
module are replaced with ease thanks to the modular
design and reliable gear tray technology, this sustainable
design concept therefore enabling upgrades to future,
higher-performance LED modules. In addition, simple
refurbishment is also possible with modified photometric
requirements at a particular location – for example due to
building modifications.
DL® 50 LED | Maintenance
DL® 50 LED – future-fit at a completely new level
Luminaires equipped with the Plus and Premium control packages simplify
the reordering of suitable LED modules and ECGs, and also adopt previous
luminaire settings.
— Electronic type plate: this component saves type information, individual
settings, and power and operating data of the LED module.
— Automatic data exchange: an automatic exchange of data for power
adaption purposes is implemented between the LED module and ECG.
If for example more efficient components from newer generations are
installed, previous luminaire settings, e.g. dimming levels, remain.
The appearance of the lighting installation also stays the same.
DL® 50 LED – a design that protects resources
If the LED module or gear tray is replaced, 90% of the luminaire
is maintained.
The gear tray is replaced simply and safely, and maintenance on
the mast during ECG replacement is also possible.
90% material preservation
Convenient. The plug connector located on
Protected. The optical enclosure of toughened safety glass is fixed to the luminaire with an
top of the catenary luminaire enables highly
internal hinge, thereby protecting the hinge from soiling and the adverse effects of weather.
rapid luminaire replacements, and traffic
All-round sealing protects the luminaire interior against the ingress of water and dirt particles.
disturbances due to such work are significantly
reduced.
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DL® 50 LED | Overview
The right luminaire for any application
The DL® 50 LED range at a glance
Luminaire type
Lighting classes
DL® 50 mini LED mast luminaire
For ancillary roads, pedestrian/cycle
paths, parks
—Post-top (76 mm; 60 mm with reducer)
—Side-entry (60 mm; 42 mm with
reducer)
—Mounting height: 4 … 6 m
—Luminaire spacing: up to 40 m
—Connection cable: l = 6.5 m
— Luminous flux: 1350 lm … 5670 lm
P2
DL® 50 midi LED mast luminaire
For plazas, residential, main and
collection roads
— Post-top (76 mm; 60 mm with reducer)
— Side-entry (60 mm; 42 mm with
reducer)
— Mounting height: 6 … 10 m
— Luminaire spacing: up to 50 m
— Connection cable: l = 8.5 m/10.5 m
— Luminous flux: 6360 lm … 13.200 lm
P1
DL® 50 mini LED catenary luminaire
For roads, crossings and urban areas
with catenary installations
— Suspension: 1-axis or 2-axis
— Mounting on long. and lateral chains
— Mounting height: 4 … 6 m
— Luminaire spacing: up to 45 m
— Luminous flux: 2650 lm… 3580 lm
P3
DL® 50 midi LED catenary luminaire
For roads, crossings and urban areas
with catenary installations
— Suspension: 1-axis or 2-axis
— Mounting on long. and lateral chains
— Mounting height: 6 … 10 m
— Luminaire spacing: up to 50 m
— Luminous flux: 6360 lm … 13.200 lm
M1
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P3
P4
Light distribution
P5
P6
M4
M5
M6
P1.0a
ST1.2a
P2
M1
M2
M3
M4
M5
M6
ST1.2a
P4
P5
P6
M4
M5
M6
P1.0s
M2
M3
M4
M5
M6
ST1.2s
DL® 50 LED | Overview
Application
Light color
Warm white
Neutral white
Daylight white
3000 K
4000 K
5000 K
Premium
LED module for road and
path lighting with wide
√
√
Plus
Basic
luminaire spacing
Premium
LED module for standardcompliant road lighting with
√
√
Plus
Basic
high uniformity
Premium
LED module for standard-
√
compliant road lighting with
√
Plus
Basic
high uniformity
Premium
LED module for road and
path lighting with wide
√
√
Plus
Basic
luminaire spacing
Premium
LED module for standard-
√
compliant road lighting with
√
Plus
Basic
high uniformity
Main road
Light management
performance
package
Ancillary road
Pedestrian path
Cycle path
Path
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DL® 50 LED | Light Distribution
New light distribution
characteristics simplify planning
Application areas and ranges
The combination of high-performance LED modules and
precise reflector technology provides completely new
options for precise light control. It's here that Siteco
benefits from decades of expertise with faceted reflectors.
The DL® 50 LED uses an innovative optical system with
typical light distribution characteristics. Immediately
understandable designations simplify work for planners.
The new names contain the typical application area for a
luminaire, and depth illumination and light characteristic
can also be directly read out.
Light distribution with road lighting
1st position
2nd position
3rd position
Typical application
Depth illumination
Light characteristic
with coefficient to mounting height
ST = street
1.0
a
= asymmetric
P
1.2
s
= symmetric
= path
H = height | mounting height
W = width | depth effect
asymmetrical light characteristic
symmetrical light characteristic
D
D = distance (max.) | luminaire spacing (max.)
depending on mounting height
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DL® 50 LED | Light Distribution
Example calculations
Example 1
Mast luminaire DL® 50 mini LED
Light distribution P1.0a
5 m x 1.0 = 5 m depth illumination
asymmetric extremely wide distribution
D = 8 x H; 8 x 5 m = 40 m
=> luminaire spacing up to 40 m
light distribution for paths, asymmetric, extremely wide distribution
H
P1.0a
W = 1.0 x H
H = 5m
W=1xH
Example 2
Mast luminaire DL® 50 midi LED
Light distribution ST1.2a
W = 1.2 x H
H = 6m
6 m x 1.2 = 7.2 m depth illumination
asymmetric wide distribution
D = 6 x H; 6 x 6 m = 36 m
=> luminaire spacing up to 36 m
light distribution for wide roads, asymmetric, wide distribution
H
ST1.2a
D=8xH
W = 1,2 x H
Example 3
Catenary luminaire DL® 50 mini LED
Light distribution P1.0s
W = (1.0 x H) x 2
H = 5m
5 m x 1.0 = 5 m depth illumination in 2 directions
Mounting in road centre; symm. extr. wide dist.
D = 8 x H; 8 x 5 m = 40 m
=> luminaire spacing up to 40 m
Light distribution for narrow roads and paths, symmetric extremely wide distribution
H
P1.0s
D=6xH
W=2xH
Example 4
Catenary luminaire DL® 50 midi LED
Light distribution ST1.2s
W = (1.2 x H) x 2
H = 7m
7 m x 1.2 = 8.4 m depth illumination in 2 directions
Mounting in road centre; symm. wide dist.
D = 6 x H; 6 x 7 m = 42 m
=> luminaire spacing up to 60 m
light distribution for wide roads, symmetric, wide distribution
H
ST1.2s
D=8xH
W = 2,4 x H
D=6xH
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Online order data.
Genuine environmental protection.
Always technically up-to-date.
Conveniently locate the order data for our DL® 50 range,
always up-to-date as a PDF, for downloading at www.siteco.com/order-service
This lets us save paper and protect valuable resources.
Order numbers 7QCP038GB
LS Marketing 09.2016 | Technical modifications and errors subject to change.
www.osram.com/lightingsolutions
OSRAM GmbH
Head office:
Marcel-Breuer-Strasse 6
Phone +49 89 6213-0
Fax +49 89 6213-2020
www.osram.com
Siteco Beleuchtungstechnik GmbH
Head office:
Georg-Simon-Ohm-Strasse 50
83301 Traunreut | Germany
Phone +49 8669 33-0
Fax +49 8669 33-397
www.siteco.com
Member of
80807 Munich | Germany