SUGGESTED ALTERNATES:

MH400/ED37/U/4K 400 Watt M59/E Metal Halide Bulb

M400/U/ED37 400 Watt M59/E Metal Halide Bulb

Metal Halide Cross Reference:
Philips MH400/U/ED28
Sylvania M400/U/BT28
GE MVR400/U/ED28
Venture MH400W/U/ED28
Eiko MH400/U/ED28
Grainger 5V658

Metal halide bulbs, specifically Philips' MH400/U/ED28 400 Watt M59/E, are a type of high intensity discharge (HID) lighting product that offer energy efficiency, good lumen maintenance, and a long service life. These compact, reduced jacket lamps come in a variety of shapes and sizes, such as tubular T15 or ET18 and Elliptical or Blown tube ED28 or BT37 bulbs. They contain special chemical compounds called Halides that produce white light across most regions of the spectrum. As a member of the HID family, metal halide bulbs are popular in both outdoor and commercial interior applications due to their numerous advantages.

Designed with an ED28 bulb, these Philips Metal Halide HID light bulbs (42602) offer an impressive 36,000 initial lumens and a mean lumens of 24,000. They have a 400 watt universal burn and a reduced jacket, and are intended for use in enclosed luminaires for a rated average life of 20,000 hours. These bulbs have an ANSI Type M59/E and an E39 mogul base.