Philips 400W Pulse Start Metal Halide Lamp – ED28 Clear, Horizontal Burn, M155/M128/M135/E

Ideal for: Floodlights, High Bays, and General Area Lighting Applications

Product Features

• Color Rendering Index (CRI): 68
• Base Type: E39 Mogul
• Rated Lifespan: 20,000 hours
• Dimensions: MOL 8-5/16" x DIA 3.5"
• Color Temperature: 4000K (Cool White)
• Burn Position: Horizontal ±15°
• ANSI Codes: M155 / M128 / M135 / E – *Enclosed Fixture Rated Only*

Additional Benefits

• 25% higher maintained light output vs standard metal halide – increased brightness & visibility
• Improved efficiency: up to 120 lumens per watt – lower total cost of ownership
• 50% faster warm-up and restrike time – faster performance with up to 50% longer lifespan
• Especially effective when compared to switch-start metal halide for 175W and 250W models

Applications

• Commercial and industrial floodlighting
• High bay and low bay lighting systems
• General area and security lighting

UV Radiation Warning

This lamp emits ultraviolet radiation and can cause serious skin burns or eye inflammation if the outer envelope is broken or punctured. Use only in enclosed fixtures or ensure proper shielding. Do not operate in areas where people will be present for extended periods without adequate safety measures.

This product complies with FDA radiation performance standards 21 CFR subchapter J. (USA: 21 CFR 1040.30 | Canada: SOR/DORS/80-381)