High Pressure Sodium Lamp SON-E 400W Coated
Product Overview
Our Oval (Elliptical) High Pressure Sodium (HPS) HID Bulbs (SON-E) are premium traditional gas discharge lamps, purpose-built for professional outdoor lighting applications. As a time-tested solution for street and roadway lighting, these oval-shaped HPS bulbs deliver unmatched performance in foggy, rainy, and low-visibility conditions, making them the trusted choice for municipal roadways, highways, parking lots, industrial yards, and floodlight systems worldwide. Available in both clear and frosted coated versions, they offer versatile illumination solutions for diverse outdoor environments.
Key Product Features
✅ Unmatched Fog Penetration PerformanceThe unique golden-yellow light spectrum of high-pressure sodium lamps offers industry-leading penetration through fog, rain, and haze, ensuring maximum visibility and safety on roads and outdoor areas even in harsh weather conditions, outperforming most alternative light sources in low-visibility environments.
✅ High Luminous Efficacy & Energy EfficiencyWith industry-leading luminous efficacy (up to 150lm/W for high-power models), these HPS bulbs deliver bright, consistent illumination while reducing energy consumption compared to traditional incandescent and halogen lamps, significantly lowering long-term operational and electricity costs.
✅ Extended Service Life & ReliabilityBuilt with high-quality polycrystalline alumina arc tubes and robust internal electrode structures, our HPS lamps feature a rated lifespan of up to 30,000+ hours, minimizing maintenance frequency and replacement costs for large-scale municipal and industrial lighting projects.
✅ Oval (SON-E) Design & Universal CompatibilityThe standard oval (elliptical, SON-E) shape and E40 mogul base ensure seamless compatibility with most existing HID street light fixtures, floodlights, and industrial lighting systems, making them ideal for retrofitting legacy installations and new construction projects.
✅ Stable & Consistent IlluminationAdvanced arc tube technology and getter tablets ensure stable luminous flux maintenance (up to 80% lumen retention over the full lifespan), providing uniform, flicker-free lighting throughout the bulb's service life, with consistent color temperature and brightness.
✅ Dual Version Options (Clear & Coated)
- Clear Version: Maximum light output and direct visibility of the arc tube, ideal for high-bay and floodlight applications requiring maximum intensity.
- Frosted Coated Version: Diffused, glare-free illumination, perfect for street lighting to reduce light pollution and improve visual comfort for road users.
✅ Durable Outdoor-Rated ConstructionRugged borosilicate glass envelope, reinforced electrode structures, and shock-resistant design ensure reliable performance in outdoor environments, withstanding vibration, extreme temperature fluctuations, and harsh weather conditions.
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