The 150W E27 4200K DuraLamp HDI-E/C is a high-performance metal halide lamp with a 4200K cool white light, E27 base, and reliable long-term operation suitable for professional and commercial installations.

Key Specifications

Power: 150 W
Base: E27 screw-in base, suitable for standard fittings

Luminous Flux: 5250 lumens, providing bright and efficient illumination

Color Temperature: 4200 K cool white light (WDL)

Color Rendering Index (Ra): 60–69, ensuring decent color reproduction for commercial and technical applications

Lamp Type: Ceramic metal halide with HYPERCOLOR technology for stable color and high uniformity

UV Protection: Yes, reducing potential ultraviolet damage

Voltage Range: Approximately 85–115 V

Dimensions: Diameter 58 mm × Length 145 mm

Lifespan: Up to 10,000 hours, supporting long-term use with high lamp survival factors (50% at 10,000 h)

Performance Characteristics

Energy Efficiency: Class A, offering good luminous efficacy relative to comparable discharge lamps

Operating Conditions: Suitable for ambient temperatures ranging from -15°C to +35°C, in any position (360°)

Luminous Flux Maintenance: 70% at 4000 hours and 50% at 12000 hours, indicating steady light output over time

Applications
The 150W HDI-E/C is designed for professional and technical installations where relamping can be difficult. Its features make it ideal for:
Architectural and façade lighting
Indoor commercial spaces
Retail stores and showrooms
Areas requiring consistent color rendering and stable light quality over time.

Notes
The lamp is non-dimmable
It provides high reliability even in long-term installations due to its robust construction and ceramic burner design.