OSRAM POWERSTAR® | HQI-T 400W/D PRO | E40 Daylight Metal Halide Lamp

The Osram Powerstar HQI-T 400W/D PRO is a high-performance quartz metal halide lamp engineered for large-scale industrial and sports lighting. Delivering a massive 35,000 lumens with a crisp 5500K Daylight color temperature, this lamp features advanced UV Filter technology that keeps ultraviolet emissions significantly below IEC 61167 thresholds. Its E40 mogul screw base ensures simple handling and secure installation, while the 92 CRI provides exceptional color rendering, making it ideal for high-definition broadcasting, factories, and exhibition halls. Designed for a universal burning position, it offers maximum flexibility for various luminaire orientations.

Professional Industrial Performance

Utilizing Powerstar Quartz Technology, the HQI-T 400W/D PRO is optimized for efficiency and longevity in demanding environments. It is approved exclusively for enclosed luminaires, providing high color saturation in the daylight spectrum to ensure safety and visibility in large industrial spaces. Its universal burning position allows the lamp to operate reliably regardless of the fixture's tilt, while the integrated UV filter protects luminaire components and illuminated objects from premature degradation.

• Universal Burn: Operates in any position without compromising lumen output or life.
• High Color Fidelity: CRI of 92 ensures accurate visual inspection and vibrant broadcasting.
• Superior Maintenance: Retains 70% of its initial light output at 6,000 hours of operation.
• Built-in Safety: UV-Filter technology reduces harmful emissions according to IEC 61167 standards.

Technical Specifications

• Brand: Osram
• Model/Order Code: HQI-T 400W/D PRO / 677860
• EAN: 4008321677860
• Wattage: 400W
• Luminous Flux: 35,000 Lumens
• Base Type: E40 (Mogul Screw)
• Color Temperature: 5500K (Cool Daylight)
• Color Rendering Index (CRI): 92 Ra
• Burn Position: Universal (Any)
• Dimensions: 285 mm (MOL) × 62 mm (Diameter)
• Light Center Length (LCL): 175 mm
• Rated Life: 12,000 Hours

Applications & Gear Requirements

• Primary Applications: Factories, workshops, sports halls, shipping docks, and marshaling yards.
• Luminaire Type: Approved only for **enclosed luminaires** due to high internal pressure.
• Control Gear: Requires a compatible 400W HID ballast and a **4.0–5.0 kVp ignitor**.
• PFC Capacitor: For conventional operation at 50 Hz, a **45 µF capacitor** is recommended.