Delivering powerful, crisp illumination with excellent efficiency, the 175W M175/U Metal Halide Lamp is a reliable solution for high-output commercial and industrial lighting systems. Designed with a robust ED28 bulb shape and durable E39 mogul base, this lamp is built for enclosed-rated fixtures that demand consistent performance over extended periods.

With a neutral white 4000K color temperature, this lamp offers high visual clarity, making it an ideal choice for applications like warehouse lighting, gymnasiums, parking facilities, manufacturing floors, and large retail environments. This lamp operates using the ANSI M57 start method and is compatible with a wide range of ballasts and enclosed luminaire systems.

Rated for up to 15,000 hours of service life, this lamp ensures long-term illumination and reduced maintenance costs. Its clear finish enhances light output and distribution, delivering a brilliant beam with excellent lumen maintenance throughout its lifecycle.

🔹 Key Features:
✔ ED28 Bulb Shape – A durable, elongated profile that supports optimal light dispersion in high-bay and enclosed fixtures.
✔ Powerful 175-Watt Output – Balances intensity and efficiency for large-area lighting needs.
✔ Cool White 4000K Output – Neutral tone enhances visibility and color rendering in commercial and industrial spaces.
✔ Long 15,000-Hour Lifespan – Reduces relamping frequency and minimizes operational downtime.
✔ E39 Mogul Base – Industry-standard for high-output HID fixtures, ensures stable connection.
✔ ANSI M57 Compliant – Standardized start method and ballast compatibility for broad utility.
✔ Clear Glass Envelope – Delivers full lumen output and crisp light distribution.

🔹 Specifications:

• Wattage: 175W

• Voltage: 120-277V (ballast dependent)

• Color Temperature: 4000K (Cool White)

• Color Rendering Index (CRI): 65

• Initial Lumens: Approx. 14,000 (typical)

• Bulb Shape: ED28

• Base Type: E39 (Mogul Screw)

• Lamp Life: 15,000 Hours

• Maximum Overall Length (MOL): 8.25" (209.55 mm)

• Diameter: ~3.5" (88.9 mm)

• Finish: Clear

• Rated Use: Enclosed Fixtures Only

• ANSI Code: M57

Whether you're outfitting a large industrial facility or replacing HID lamps in existing enclosed-rated fixtures, the 175W M175/U ED28 Metal Halide Lamp delivers performance you can count on—with a brilliant beam, excellent reliability, and industry-standard specifications.

💡 Note: For safety and longevity, use only in fully enclosed fixtures as this lamp is not open-rated.