LED Street Lights: Specifications, Working Principle, and Selection Guide

Product Specifications

Technical details and manufacturing context for LED Street Lights

Definition

LED street lights are solid-state lighting devices designed for outdoor public illumination. They consist of multiple light-emitting diodes (LEDs) arranged in arrays, housed within weather-resistant enclosures with optical lenses or reflectors to direct light patterns. These fixtures provide high-efficiency, long-lasting illumination for roadways, sidewalks, parking lots, and other public spaces, offering superior energy efficiency, reduced maintenance costs, and improved light quality compared to traditional lighting technologies like high-pressure sodium or metal halide lamps. The fixtures are typically constructed with die-cast aluminum housings and polycarbonate lenses, ensuring durability and corrosion resistance for outdoor use. They incorporate thermal management systems, such as heat sinks and thermal interface materials, to dissipate heat and maintain optimal LED performance. LED street lights operate on universal voltage (100–277 V AC) and are available with power consumption ranging from 50 to 200 watts, producing luminous flux between 8,000 and 20,000 lumens. Color temperatures range from 3000 to 6000 kelvin, with a color rendering index of at least 70 Ra. They are designed to operate in ambient temperatures from -40 to 50 degrees Celsius and have an ingress protection rating of IP65 to IP67, making them suitable for harsh outdoor environments. The expected lifespan is 50,000 to 100,000 hours, based on LM-80 testing, with a power factor greater than 0.9 and surge protection up to 10 kV. These fixtures weigh between 8 and 15 kg, which must be considered for pole load capacity. When selecting LED street lights, verify model-specific values and standards with the legal manufacturer or supplier, as the provided ranges are for reference only.

Working Principle

LED street lights operate by passing electrical current through semiconductor materials, typically gallium nitride-based compounds, which emit photons through electroluminescence. The electrical energy is converted directly into light with minimal heat generation. Driver circuits regulate voltage and current to control light output, while thermal management systems, including heat sinks and thermal interface materials, dissipate excess heat to maintain optimal LED performance and longevity. Optical components, such as lenses or reflectors, shape and direct the light beam to achieve desired illumination patterns on road surfaces. The efficiency of this process results in lower energy consumption and longer operational life compared to traditional lighting technologies.

Common Materials

Aluminum Alloy, Polycarbonate, LED Chips, Thermal Interface Materials

Technical Parameters

Parameter	Typical range	Notes & selection driver
Luminous FluxRequired	8000–20000 lumens	Total amount of visible light emitted by the fixtureIES LM-79
Power ConsumptionRequired	50–200 watts	Electrical power input required for operation
Color TemperatureRequired	3000–6000 kelvin	Color appearance of the light, ranging from warm to cool white
Color Rendering IndexRequired	≥70 Ra	Ability to reveal colors of objects faithfully compared to natural lightIES LM-79
Ingress Protection RatingRequired	IP65–IP67 IPXX	Level of protection against solid objects and liquidsIEC 60529
Operating TemperatureRequired	-40–50 degrees Celsius	Ambient temperature range for proper operation
LifespanRequired	50000–100000 hours	Expected operational life before lumen depreciation reaches 70%LM-80
Input Voltage	100–277 V AC	Universal voltage for global use
Power Factor	>0.9	Required for utility rebatesIEC 61000-3-2
Surge Protection	10 kV	10kV for overhead linesIEC 61000-4-5
Housing Material	Die-cast aluminum	Corrosion-resistant for outdoor use
Weight	8–15 kg	Check pole load capacity

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

LED Module
Primary light source consisting of multiple LED chips arranged in arrays

Material: Gallium nitride semiconductor chips on ceramic or metal-core PCB
Heat Sink Part
Dissipates heat generated by LEDs to maintain optimal operating temperature

Material: Aluminum alloy with fins for increased surface area
Optical Lens/Reflector
Shapes and directs light beam to achieve desired illumination pattern

Material: Polycarbonate or PMMA with optical-grade finish
LED Driver
Regulates electrical power supply to LEDs, converts AC to DC, and provides constant current

Material: Electronic components on PCB with protective housing
Housing/Enclosure Part
Protects internal components from environmental factors and provides structural support

Material: Die-cast aluminum alloy with powder coating
Mounting Bracket Part
Secures the fixture to poles or other support structures

Material: Stainless steel or galvanized steel
Photocell Sensor
Automatically turns lights on at dusk and off at dawn based on ambient light levels

Material: Light-sensitive semiconductor in protective housing
Motion Sensor
Detects movement and adjusts light output accordingly for energy savings

Material: Infrared or microwave sensor components in housing
Thermal Interface Materials
Conduct the LED heat into the heat sink with minimal thermal resistance.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for LED Street Lights.

Manufacturers of LED Street Lights

12 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

ALEDECO Global LED Lighting Limited

Hong Kong, CN

Also makes: LED Landscape Lighting, LED Downlights, LED Garden Lights and 4 more