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What Should Engineers Consider When Specifying LED in Street Lighting?
How can one best evaluate optical design and performance when considering LED for street lighting?  Lumens (light) on task and directionality of light are not new concepts, but they are now more important than ever for road lighting and similar applications.

Understanding where the lumens are directed out of the luminaire is essential when comparing products for all the important reasons: property appearance (day and night), safety, and quality. The new IES BUG rating system (TM-15-07) can provide some level of comparison. Lumens per watt, as a sole metric, can result in poor selection of an outdoor luminaire.

The light distribution pattern, uniformity, and optical efficiencies are valuable comparisons that can be made across competing products. Focusing on illuminance levels on task and optical distribution, versus a lumens per fixture and lumens per watt number is the best way to evaluate.
In addition, LED street lights are very directional since they produce evenly distributed light patterns. In comparison, traditional High Pressure Sodium street lamps often require higher output to achieve the same results of LED in the same application.  HPS requires a greater input to achieve the desired output of light, typically demanding measurably more energy.

In most cases today, LED lamps have a higher cost per unit than its HPS brethren.  However, the increasing demand and evolving LED technologies are driving costs down.  Though even at today’s cost, the long term economies can far outweigh the initial investment.  Depending on the application, the wider distribution coverage of LED luminaires can reduce the amount of wattage needed and longer life can reduce replacement and maintenance costs.  

Product Description:
Sunning LED street light series are Sunningpower recently newly released most complete and most functional road lighting in the industry, embracing the typical Europe and America solid and slim style, flexible current driving range, thermal and optical integrated modular system, multi-options of light distribution, free tool installation and maintainence,full solution with wide range applicable installation inter-face and various control methods.


Product Characteristics:
1.Applied with top grade LED from Cree or Lumileds
2.Non-image optics system, improves lumen output ratio
3.Modular design, carrying big range from power from 30W to 240W
4.High efficiency driver system from Philips/Advance
5.Luminaire efficiency up to 90 lm/W ± 3lm
6.Open air ventilation design, good heat dissipation function
7.Innovative and unique design of rotating arm branch, tilt -30 to 90 degree adjustable, compatible with the interface Φ60 and below, fit the purpose of the change or upgrade of conventional road lighting.
8."Tool free" locking design to open and close the driver compartment simply, easy installation and maintainance

产品展示4图.jpg
 

SN-LED120W Street Light Specifications

Name

LED Street Light Specification

Part Number

SN-120W LED Light

Input Power

120W

Lamp Flux

7200LM

Color Temperature

4500K

Color Rendering Index

Ra>75

Light Source Life

50000h

Working Temperature

-40℃~+50℃

Working Humidity

10%~>85%

Housing & Lampshade

Aluminum alloy

IP Rating

IP65

Color

Sliver gray

Size

615*346*102mm

 power driving

 built-in power driving

Picture

 30W风光互补路灯1.jpg

SN-LED120W Street Light Dimension and structure diagram
 SN-LED40W.jpg

 

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