Metal Halide Lamps HQI-T 400W
250W / 400W Metal Halide Bulb (HQI/HPI Series) – Industrial-Grade High-Intensity Gas Discharge HID Lamp
Our 250W and 400W Metal Halide Bulbs (HQI/HPI Series) are premium high-intensity discharge (HID) gas discharge light sources, engineered for extreme brightness, long-term reliability, and versatile performance in commercial, industrial, and outdoor lighting applications. Available in straight tubular and classic elliptical (globe/ED-style) bulb shapes, these HQI/HPI-compatible lamps deliver powerful, uniform illumination for large-scale spaces, outperforming traditional light sources in efficiency, color rendering, and durability.
Designed to meet the rigorous demands of industrial and outdoor environments, our metal halide bulbs feature advanced gas discharge technology, ensuring stable light output, minimal color shift, and consistent performance over their entire lifespan.
- Dual Shape & Power Options for Versatile Applications
- Straight Tubular Design: Sleek linear profile ideal for linear fixtures, high-bay warehouse lighting, and narrow-space installations.
- Elliptical (Globe/ED) Design: Classic rounded shape perfect for floodlights, stadium lighting, parking lots, and landscape accent lighting.
- Dual Power Ratings: 250W and 400W options to match different brightness requirements, compatible with standard HQI/HPI 250W/400W fixtures.
- Universal E40 Screw Base: Fits most standard industrial and outdoor HID fixtures for easy, direct replacement.
- High-Performance HID Gas Discharge Technology
- Exceptional Lumen Output: 250W models deliver up to 20,000-22,000 lumens, while 400W models reach 36,000-38,000 lumens, with a luminous efficacy of 90-100 lm/W, providing powerful, energy-efficient illumination for large areas.
- Superior Color Rendering: Available in 3000K (warm white), 4200K (neutral white), and 6000K (daylight) color temperatures, with a high CRI (Ra≥80) to accurately showcase colors in retail, landscape, and industrial environments.
- Stable Light Output: Advanced arc tube design ensures consistent brightness with minimal flicker and color shift over the lamp's lifespan, eliminating hot spots and ensuring safe navigation.
- Industrial-Grade Durability & Long Lifespan
- Premium Quartz Glass Construction: High-purity quartz arc tube and outer bulb, heat-resistant, impact-resistant, and vibration-tough, suitable for harsh industrial and outdoor conditions.
- Universal Burning Position: Can be installed in any orientation (horizontal, vertical, or angled) without compromising performance, offering maximum installation flexibility.
- Extended Lifespan: Rated for 15,000+ hours of operation, drastically reducing maintenance and replacement costs compared to conventional HID lamps.
- Weatherproof Design: Sealed construction with IP65-rated protection against dust, rain, and humidity, making it ideal for outdoor use in all climates.
- Wide Range of Applications
- Industrial: High-bay warehouse lighting, factory workshops, manufacturing facilities, and construction sites.
- Commercial: Stadiums, sports arenas, parking lots, shopping mall exteriors, and retail storefronts.
- Outdoor & Landscape: Garden lighting, building facade illumination, public parks, and pathway lighting.
- Specialized: Aquarium lighting, greenhouse grow lighting, and stage/event lighting.
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