GUIDE FOR STREET LIGHTING OPTICS - LEDIL
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Guide for street lighting optics
v1- 0 / 2021
WHY LEDiL?
The world is full of different roads and strict street lighting
requirements. Add to this different LED package preferences
and mechanical size limitations and possible combinations
multiply exponentially. That is why LEDiL offers so many
specific light distributions for road lighting
to help you meet these requirements.
Whether it is a tunnel in Europe or road AROUND
in Brazil, we offer solutions for virtually 50 BEAMS
any LED model and type; from tiny FOR STREETS
CSPs to large COBs, while keeping
EXTENSIVE
the optics as future proof and CUSTOMER
FREE FORM
modular as we can, so you can DESIGNS SUPPORT
keep it simple and flexible.
OUR
OFFERING
MAKE OUR OPTICS HIGH
THE HEART OF YOUR QUALITY MODULARITY
LUMINAIRE TO
OPTIMIZE COST,
EFFICACY AND LIGHT
DISTRIBUTION WITH
PATENTED GLOBAL
GREAT RESULTS INNOVATIONS SOLUTIONS
EFFICIENCY
With the same installation and light output LEDiL light
distribution is 80 % more efficient than competitior equivalent!
• Needs fewer LEDs, lenses and heat sinks
• Uses less energy for a faster return on investment
LEDiL LENS Average: 18 lx COMPETITOR LENS Average: 10 lx
Uniformity (uO): 0.58 Uniformity (uO): 0.34
FREEDOM OF DESIGN
Allows easy and flexible cost and efficacy optimization
TYPICAL USAGE 5050, 8-chip plastic
4W / 600 lm or 3535 Ceramic 3030, 2-chip plastic 3030, 1-chip plastic
~1200 lm output @ 2W / 300 lm 2W / 300 lm 1W / 150 lm 0.5W / 75 lm
8W / lens array
Needs typical
thermal design to
remain efficient
HIGH DENSITY
50 x 50 mm
USAGE
~2400 lm output at
16W / lens array
Needs excellent
thermal design to
STRADA-2X2 STRADELLA-8 STRADELLA-16
remain efficient
Ceramic package LED
Plastic package LED
robustness / efficacy (lm/w)
IESNA TYPE
IESNA Type is defined by position of highest candela intensity. IESNA Type classification is
established by measuring where the bulk of the pattern falls on the grid
10 % INTENSITY CUT OFF
TYPE 50 % INTENSITY
1.0 MH
MAX CANDELA PEAK REACH
6 .0
MH
LO
NG
M
E
D
S
IU
TY I
H
H
M
1.0 M
O
PE
V
R
3.7
E
T
0 MH
R
V
T Y II
5M
Y
E
2 .2
PE
R
S
H H
Y
S
H
1.0 M 5M
T YI I I
H
1
S
O
O
H
PE
MH
R
H
M
O
R
T
T
R
MH
ED
T
1.75
0
IU
M
M
MH
LO
T YI V
H
1
2 .75
.0
PE
N
6
M
G
2
.0
H
.2
3.
5
75
M
M
H
H
M
H
BEAMS FOR STREET LIGHTING
T1 T1-A T1-M T2 T2-B T2-C/C2/C3
IESNA Type I IESNA Type I (short) IESNA TypeI (medium) IESNA Type II IESNA Type II, IESNA Type II, added
(medium) beam for European (medium) minimized house side house side backlight
P-class standard backlight
A-T T2-L T2-M T2-S T3 T3B / T3-B
Short IESNA Type II IESNA Type II (long) IESNA Type II IESNA Type II (short) IESNA Type III IESNA Type III
(medium) (medium) (medium), minimized
backlight
T3-L T3-M T4 T4B / T4-B VSM SCL
IESNA Type III IESNA Type III IESNA Type IV IESNA Type IV, for- IESNA Type V (square) Type II/III (long), ideal
(long) (medium) ward throw beam for pedestrian paths
and residential roads
DWC / T-DWC DCW-C/DWC2 DNW DN / T-DN DW / T-DW FW
Universal road lighting Universal road lighting Soft wide beam with For area lighting with Soft wide beam with Wide light distribu-
(Typ. IESNA Type III (Typ. IESNA Type III good illuminance shorter illumination good illuminance tion, residential streets,
Medium) Medium) uniformity distances uniformity staggered pole setup
ME ME-N ME-WIDE1 ME-WIDE2 MEW NHS
Excellent longitudinal Designed for high Fulfilling EN13201 For staggered pole Extremely low glare Narrow beam,
luminance uniformity poles, fulfilling M-class requirements, setups fulfilling fulfilling EN13201 minimal house side
fulfilling EN13201 EN13201 M-class added house side EN13201 M-class M-class requirements light
M-class requirements requirements backlight requirements for wet road surfaces
in North Europe
LN1 LM1 LM2 LW1 ANZ-P XW
For EN13201 M-class For EN13201 M-class For EN13201 M-class For EN13201 M-class Pedestrian lighting Wide beam
requirements with requirements where requirements where requirements where in Australia & New
high poles or where road width ≥ the pole road width ≤ the pole road width > the pole Zealand
road width ≤ the pole height height height
height
DB PX PXL FN FT TF
Floodlight beam for Double asymm., Double asymm., Narrow forward Forward throw beam Narrow forward
the area between the pedestrian crossings, pedestrian crossings, throw beam for area for area lighting throw beam optimized
railway tracks acc. to right side traffic left side traffic lighting for European tunnels
DB requirements.
FR FS FS2 FS3 B2 / B2-STP CAT
Asymmetric spot light Forward throw beam For symmetrical tunnel Forward throw beam For area lighting and Catenary street light
beam for floodlighting for area lighting lighting and parking optimized for Europe- applications demand- beam optimized for
railway tracks according garages, ideal for an tunnels, extremely ing a wide oval beam EN13201 M-classes
to Russian normative catenary street lighting efficient lighting with pattern
counter-beam method
CAT-B C / C-STP CY
Narrow catenary street For area and street For canopy lighting with
light beam optimized lighting such as batwing light distribution,
for EN13201 M-classes parks and pedestrian suitable for symmetrical
and tilted poles walkways tunnel lighting for luminance based road standards
STRADELLA Cost-efficient product family of
single lenses and dense lens arrays
PATENTED
Compatibility: All STRADELLA versions: For up to 3535 size mid- and high-power LEDs.
SINGLE
• 14 x 14 mm T1-A T2 T3 T4-B CY
T1-A T2 T2-M** T3 T3-M** T4B VSM* SCL*
8
• 50 x 50 mm
LN1** LM1** LW1** ME ME-N CY
* plus variant for CSP LEDs ** variant only for CSP LEDs
T1-A T2 T3
IP-16
• 100 x 60 mm 16
• ingress protected T2 • 50 x 50 mm T4 SCL ME VSM
T1-A T2 T3 T2
IP-28 IP-64
• 100 x 100 mm • 253 x 74 mm
• ingress protected • ingress protected VSM
T4B SCL VSM
SITARA Cost-efficient product family of single lenses PATENTED
and 2X2 lens arrays with ingress protection
Compatibility: Optimized for high-power
5050 size LED packages.
2X2
SINGLE • 50 x 50 mm
• 14 x 14 mm T1-A T2 • ingress protected T2
STRADA-IP-24
Boosts your luminaire efficiency and output
• Industry standard redefined – same dimensions and screw holes as the
2X6 lens family
• Energy efficient – high lm/W optimised to perform with low power LEDs
• Uniform lighting – excellent beam quality built on the STRADA legacy
Compatibility: Optimized for COMING COMING
flat high power 5050 size
LED packages such as:
LUMILEDS LUXEON 5050 square,
OSRAM DURIS S8, CREE J/JR5050,
NICHIA 48x series T2-M DWC T3-M
STELLA
Ø90 mm ingress protected silicone lenses
Compatibility: STELLA-G1
G1: T4 and DWC2, up to 23 mm LES
size. VSM up to 30 mm LES size.
G2: Optimized for 23 mm LES size.
Compatible with up to 30 mm T4 VSM DWC2
LES size.
Same footprint as with original STELLA-G1
STELLA, but with more space
inside for Zhaga compliant COB
connectors
3rd party connectors available T2 T3 T4
from: B+W, BJB, TE and Stucchi
VSM
JENNY
35 x 35 mm single lenses
and 8X1 arrays made
from silicone
FT65 FT45 CY
Compatibility: Up to 7070 size LED
packages.
T4
STRADA The most versatile modular product family
especially designed for street lighting
PATENTED
T2 T2-B T3 T3B T4 T4-B VSM A-T
SQ
• 25 x 25 mm
Compatibility:
up to 7070 size ANZ-P T-DWC T-DW FW SCL PX ME
LED packages
FT FS FS2 FS3 C CY T-DN
T2-C
T1 T1-M T2* C2**/C3** T2-M** T3* T3-M** LN1
2X2
• 50 x 50 mm
Compatibility:
up to 5050 size T4 T4-B* VSM* A-T DWC** DNW DB LM1
LED packages
FW NHS SCL* ** PX PXL ME* ME-N LM2
ME-WIDE1 ME-WIDE2 MEW FN FS3 FR TF LW1
B2-STP C-STP CY CAT CAT-B DN XW
* variant available for CSP LEDs ** variant available for flat 5050 size LED packages
T2 T2-B T2-L T3 T3-B T3-L T4-B
IP-2X6
• 173 x 71.4 mm
• ingress protected
Compatibility: VSM DWC DWC-B FW SCL PX ME
up to 5050 size LED packages
MX/S
• 90 x 90 mm
4 4
• ingress protected 4S T2 8 T2-C 16 T2-M 4 T2-S 4S T3 16 T3-M
Compatibility:
MX: up to 7070 size LED packages
4 4 4
MXS: also for up to 9 mm COBs 4 4S 4S 8
8MX: for flat 5050 size LED packages 16 T4 4S T4-B 16 VSM 8 DWC/2 16 SCL
16MX: for CSP LEDs Number of lenses in an array: 4 8 16 Versions in silicone: S
HOW TO READ POLAR CURVES
0°
0° to 180°: Light along the road 27
0°
90° to 270°: Light across the road
18 0 °
°
The polar curve can be used to estimate 90
optimal beam for installation
1MH 1MH
1MH 4MH
STRADA-2X2-T2-M STRADA-2X2-T4-B MH = mounting height unit
TECHNICAL SUPPORT
• Simulations to show optic performance in real applications
• Guides and tips for installations
• Thermal analysis for luminaire designs
FREE FOR ALL OUR CUSTOMERS
GLOBAL
tech.support@ledil.com
NORTH AMERICA
tech.support.us@ledil.com
RUSSIA
tech.support.rus@ledil.com
LEDiL Oy LEDiL Inc. LEDiL Optics Technology (Shenzhen) Ltd.
(Headquarters) 228 West Page #405, Block B, ShenZhen Casic Motor Building,
Joensuunkatu 13 Street Suite D No.7 LangShan #2 Road, Hi-Tech Ind. Park(N.),
www.ledil.com FI-24100 SALO Sycamore IL 60178 Nanshan District, Shenzhen, 518057
Finland USA P.R.China
The information contained herein is the property of LEDiL Oy, Joensuunkatu 13, FI-24100 SALO, Finland, and is subject to change without
prior notice. Please visit www.ledil.com for additional information, such as the latest photometric files, 3D mechanical models, and application
notes relating to handling, gluing and taping. LEDiL products are IPR protected.
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