MH400/U ED37 400W Metal Halide Lamp – Universal Burn • Neutral White 4000K • Mogul E39 • 40,000 Lumens

Reimagined Metal Halide Performance

The MH400/U ED37 400-Watt Metal Halide Lamp is engineered to deliver powerful, high-output illumination with the reliability demanded by industrial, commercial, and outdoor environments. Producing a brilliant 40,000 lumens of clean 4000K Neutral White light, this lamp enhances visibility, sharpens detail, and elevates overall space brightness—made for warehouses, parking lots, factories, gymnasiums, and high-bay applications.

Power and Versatility

Built with an ED37 bulb shape and universal burn position, this lamp adapts seamlessly across a wide range of fixtures. Its Mogul (E39) base ensures compatibility with standard HID sockets, providing easy installation and dependable electrical contact. At 400 watts, it delivers exceptional area coverage ideal for large, high-ceiling environments requiring intense, evenly distributed illumination.

For the Love of Color

With a 65 CRI, this metal halide lamp improves color accuracy compared to HPS options, helping workers better distinguish objects, surfaces, and equipment. The neutral 4000K tone provides a balanced visual experience—bright yet comfortable—reducing eye strain in demanding, task-oriented settings.

Made to Shine, Made to Last

Designed for longevity, this MH400/U lamp offers an impressive 20,000-hour life rating, supporting long maintenance intervals and reducing downtime in large facilities where lamp replacements are time-consuming. Its rugged construction ensures durability across a wide temperature range, with dependable performance in tough environments.

Brilliance That Saves

Even at high wattage, metal halide technology remains a cost-effective solution for large spaces needing extremely bright lighting. Paired with the correct ballast, this lamp maintains consistent lumen output and stable performance over its lifespan.

GoodBulb LED Upgrade Ready

Looking for reduced energy consumption and fewer replacements? Upgrading this fixture to an LED ED37 or LED HID retrofit can dramatically cut wattage—often by 60–75%—while increasing lifespan up to 50,000 hours or more. Ask about LED replacements compatible with your existing Mogul E39 sockets.

Recycle the Right Way

Metal halide lamps contain small amounts of mercury and should always be recycled responsibly. Check local lamp recycling programs to ensure safe and environmentally friendly disposal.