This SunplusPro IP66 integrated streetlight delivers industrial-grade protection, high system efficacy, and durable performance for heavy-duty outdoor lighting projects. It replaces legacy high-intensity discharge systems with higher lumen-per-watt output, lower maintenance demands, and consistent optical control; suited for highways, ports, stadium perimeters, large yards, and major urban corridors.

Key attributes

Key technical specifications and variants

Below are the core model families and the typical options offered for each power tier.

• Models: SP-STR-500I, SP-STR-1000I, SP-STR-1500I

• Power draw: 500 W, 1000 W, 1500 W nominal.

• Ingress protection: IP66-rated full enclosure; sealed against dust and powerful water jets.

• Light source: High-power multi-die LEDs mounted on metal-core PCBs or module arrays.

• System lumen output: Configurable; typical ranges:

  • 500 W → 50,000–90,000 lumens (depending on binning and optics)

  • 1000 W → 100,000–180,000 lumens

  • 1500 W → 150,000–270,000 lumens

• Lumen efficacy: 120–200 lm/W system-level, depending on optic selection and drive current. DOE-grade LED systems deliver significantly higher efficiency than legacy HID.

• Color temperature: 2700 K, 3000 K, 4000 K, 5000 K, 5700 K options.

• CRI: Typical options CRI 70, CRI 80, optional CRI 90 for specialty projects.

• Driver: Programmable constant-current driver; 1–10 V dimming, PWM DALI or Zhaga options available.

• Surge protection: SPD up to 10 kV/20 kA (depending on spec) available.

• Thermal management: Integrated heat-sink with cross-flow fins and silicone gasketing.

• Materials: Die-cast aluminum housing, powder-coated finish, tempered glass or toughened polycarbonate lens.

• Mounting: Pole-top, bracket arm, slip-fitters for various mast sizes.

• Controls: Optional photocell, motion sensor, remote wireless control, and adaptive lumen management.

• Operating temperature range: Typically –40°C to +50°C with high-ambient driver options.

• Expected lifetime: L70@50,000–100,000 hours depending on drive current and thermal environment. DOE and industry references note long LED lifetimes with proper thermal design.

Enclosure rating, mechanical design, and durability testing

IP66 explanation and significance
IP66 means the enclosure provides dust-tight protection and resistance to powerful water jets delivered from any direction. That level of protection ensures the optical and electrical compartments do not suffer ingress damage during heavy rain or when subjected to high-pressure cleaning. The IP code is an internationally recognized classification defined by IEC standards.

Corrosion resistance and surface finish
Housing surfaces use a multi-stage pretreatment before powder coating to resist coastal salt spray and industrial contamination. Die-cast aluminum alloys are chosen for strength and thermal conduction. Fasteners use stainless steel; silicone gaskets resist UV and ozone aging.

Sealing strategy
Critical seams employ continuous silicone gaskets compressed by captive hardware. Lens-to-housing joints use compression seals that prevent moisture migration into the LED array and driver chamber. Separate sealed compartments for optics and electronics make field servicing safer and simpler.

Mechanical impact and IK rating
Optional IK ratings for impact resistance are available for installations where vandalism, flying debris, or accidental impact is a risk. The mechanical design balances weight, wind loading, and service access.

Light engine, optics, thermal strategy, and electrical system

Light engine architecture
High-power LEDs are grouped into modules to simplify replacement and thermal conduction. Modules use metal-core PCBs to spread heat, and each module has independent current regulation in high-reliability designs.

Optical system
Precision injection-molded secondary optics or tempered glass lenses manage beam distribution. Symmetrical and asymmetrical distributions are available to tailor light to highways, area lighting, and perimeter needs. Tight beam control reduces wasted uplight and light trespass.

Thermal management
Thermal resistance from LED junction to ambient is minimized by direct-path heat conduction to the die-cast housing. Heat-sink fins promote convection. Proper thermal design keeps junction temperatures low, which preserves luminous flux and slows lumen depreciation.

Driver and electrical protections
The driver employs constant-current regulation with over-voltage, over-current, and over-temperature protections. Many modern systems include surge protection modules and a replaceable driver tray for field servicing. Dimming control interfaces (1–10 V, DALI, or wireless) allow adaptive lumen management to reduce energy consumption during low-demand periods. DOE materials highlight the energy advantages of LED technologies and the role of controls in achieving savings.

Performance metrics: lumens, efficacy, color, and lifetime

Lumen output and equivalence
A 500 W integrated LED with system efficacy of 150 lm/W will produce roughly 75,000 lumens. Historically, a 500 W high-pressure sodium or metal-halide fixture delivered lower center-beam lux and suffered greater lumen depreciation. LEDs maintain output more consistently over life. Industry comparisons show LED systems can outperform HID units in delivered lumens per watt and in maintained light over time.

Efficacy and energy savings
Energy savings depend on baseline systems but typical LED replacements yield 40–70% reduction in energy consumption for comparable maintained illuminance. Adding controls increases savings further.

Color rendering and CCT
Field choices between warm and neutral CCT influence visibility and community preference. Higher CRI improves color discrimination while slightly reducing luminous efficacy. Typical municipal projects use 4000 K for a balance of visibility and comfort.

Lifetime and lumen maintenance
L70 is a common lifetime metric. With correct thermal management, LED arrays in robust outdoor fixtures commonly achieve L70 in excess of 50,000 hours. Lower drive currents and cooler junction temperatures extend life. DOE resources and lighting industry bodies stress selecting products with documented lumen maintenance curves.

Maintenance and total cost of ownership
LED fixtures reduce lamp replacement frequency and lower maintenance labor costs. The sealed optical chamber and high IP rating reduce ingress-related failures during storms or washdowns.

Installation, mounting, and control options

Mounting flexibility
The fixture supports pole-top and side-entry mounting with adaptor sleeves or slip-fitters. Mounting hardware includes adjustable tilt for precise aiming.

Electrical connections
Prewired quick-disconnect harnesses speed installation. The sealed driver compartment keeps electrical terminations protected from moisture and dust.

Controls and network integration
Options include:

• Photocell switching for dusk-to-dawn operation.

• Motion-triggered dimming for yard and industrial sites.

• Wireless node integration for remote commissioning and group control.

• DALI or 0–10V for centralized lighting management.
  Controls can reduce energy use and extend component life.

Commissioning and serviceability
Modular design permits driver swap without disturbing the LED array. Diagnostic LEDs and remote monitoring nodes report operating current, ambient temperature, and fault codes.

Typical applications and selection guidance

Heavy duty and high-demand sites

• Motorways and arterial roads with wide carriageways.

• Port terminals and container yards where heavy equipment causes dust and spray.

• Large parking facilities and airport perimeters.

• Industrial campuses with high-ambient temperatures.

Selection checklist

1. Determine required maintained illuminance from design criteria.

2. Choose beam distribution suitable for roadway vs. area lighting.

3. Specify lumen output including maintained lumen values at target drive currents.

4. Confirm mechanical mount type and wind-load rating.

5. Verify IP/IK rating for site conditions.

6. Decide on control architecture—simple photocell or full-networked control.

These steps help match fixture selection to performance and lifecycle goals.

Compliance, testing, and quality assurance

Standards and certification
Manufacturing follows industry electrical safety standards and EMC requirements. IP ratings follow IEC 60529 classification. Third-party testing for photometry, thermal, and surge performance is recommended.

Photometry
Independent LM-79 photometric reports validate lumen output, efficacy, and distribution. Lumen maintenance reports (LM-80 testing and subsequent TM-21 projections) support lifetime claims.

Environmental testing
Salt spray, thermal cycling, and vibration testing validate durability. IP66 verification confirms resistance to heavy jets and dust ingress.

Quality control
Supplier traceability for LEDs and drivers, incoming material inspection, and burn-in procedures reduce early-life failures.

Logistics, packaging, warranty, and lifecycle cost considerations

Packaging
Fixtures ship in reinforced cartons with foam cradles. Sensitive components (drivers, sensors) are packed to prevent shock damage.

Warranty and after-sales
Standard warranty ranges from 3 to 7 years. Extended warranties available with service agreements. Warranty terms generally cover driver and LED module defects under normal operation.

Lifecycle cost analysis (example)
When comparing a 500 W LED system with an equivalent 500 W HID baseline:

• Electricity: LED uses less energy at comparable illuminance.

• Replacement parts: LED systems reduce lamp changes and ballast replacements.

• Labor: Reduced ladder work and outages lower maintenance costs.

• Net present cost: Higher upfront cost often offset by 3–6-year payback depending on run hours and energy cost.

DOE materials and industry comparisons explain energy and maintenance advantages that support lifecycle cost benefits.

Comparative summary versus conventional HID systems

• Energy efficiency: LED wins with higher lm/W and controllability.

• Light quality: LEDs provide better uniformity and faster start times.

• Maintenance: LED systems lower lifecycle maintenance.

• Initial cost: HID may have lower initial fixture cost, but higher total cost over time.

• Environmental impact: LEDs reduce energy-related emissions and avoid HID materials such as mercury.

Specification table (concise)

Frequently Asked Questions (FAQs)

Q1. What does IP66 mean for outdoor fixtures?
A: IP66 signals full protection from dust ingress and resistance to powerful water jets from any angle. That rating protects internal optics and electronics during heavy rain and high-pressure cleaning.

Q2. Can a 500 W LED fully replace a 500 W HID on a highway?
A: A 500 W LED can replace a 500 W HID if design parameters match maintained lux and distribution. Often, LED replacements provide equal or better delivered light while consuming less energy. Check photometric files to ensure equivalent roadway class performance.

Q3. How long will the LED streetlight last?
A: With proper thermal design and moderate drive current, expect L70 lifetimes exceeding 50,000 hours. The exact life depends on ambient temperature and duty cycle. LM-80 test data and TM-21 projections support lifetime estimates.

Q4. What controls are available?
A: Photocells, 0–10V or DALI dimming, motion sensors, and wireless network nodes are common. Controls reduce power during low-traffic periods and extend component life.

Q5. Is the fixture serviceable in the field?
A: Yes. Modular driver trays and replaceable optical modules let technicians swap parts quickly without full fixture replacement.

Q6. What environmental tests should I request?
A: Photometric LM-79, lumen maintenance LM-80, IP ingress testing, salt-spray and thermal cycling for coastal or industrial sites, and surge testing for areas prone to transients.

Q7. How does lumen depreciation compare to HID?
A: LED systems maintain a higher portion of initial light over time. HID lamps can lose significant output in early thousands of hours, while LED lumen depreciation is slower with proper thermal management.

Q8. What are the typical mounting and wind-load considerations?
A: Choose a mounting bracket and pole design rated for local wind speeds. Fixture weight and projected area matter; confirm moment and shear loads in the structural calculation.