SUGGESTED ALTERNATES: 

MH400/U 400 Watt M59/E Metal Halide Bulb

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

MH400/U/ED28 400 Watt M59/E Metal Halide Bulb

MH 400W/U/ED28 400 Watt M59/E Metal Halide Bulb

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

MH400/ED28/U/4K/E39 400 Watt M59/E Metal Halide Bulb

SUGGESTED LED REPLACEMENTS: 

100 Watt EX39 Base Gen4 100-277V LED Retrofit Light Bulb

63/80/100 Watt HID Replacement EX39 Mogul Base LED Lamp

63/80/100W Power and Color Selectable HID Replacement Bulb EX39 3000/4000/5000K

100 Watt 100-277 Volt LED HID Corn Cob EX39 Base Retrofit Lamp

80/100/110 Watt Wattage and Color Selectable LED Post Top Retrofit with EX39 Mogul Base 120-277V 3000/4000/5000K

110 Watt 120-277V 180 Degree Beam Shoe Box LED HID Retrofit with Smart Port

Metal Halide Cross Reference:
Sylvania M400/U/BT28 (64488)
GE MVR400/U/ED28
Philips MH400/U/ED28
Venture MH400W/U/ED28
Eiko MH400/U/ED28
Grainger 5V658

SYLVANIA branded products have signified lighting innovation for almost a century. Innovation, quality and dependability are why the SYLVANIA brand name is the name you can trust. The complete line of SYLVANIA products deliver unparalleled levels of performance to any modern lighting application. SYLVANIA is the leader in energy-saving H.I.D. Lamps. Sylvania metal halide light bulbs offer high efficacy, excellent color rendition, long service life and good lumen maintenance. Because of their numerous advantages, metal halide HID bulbs are used extensively in outdoor applications and in commercial interiors.

Attention: Due to the physical size and fragility of this lamp, we are able to ship this product via Federal Express Ground or Air only. Sorry, no U.S. Postal Service shipments will be accepted. Thank you for your understanding.

These Reduced Jacket Metal Halide lamps come in a variety of sizes from tubular metal halide T15 or ET18 and Eliptical or Blown tube shapes like ED28 bulbs or BT37 bulbs.These Metal Halide Reduced Jacket Lamps offer a compact size producing the same light levels as their standard size counterparts.These Metal Halide bulbs are a member of the High Intensity Discharge (HID) family of lighting products. These Metal Halide bulbs are among the most energy efficient sources of white light available today. These 400 watt metal halide bulbs feature special chemical compounds known as Halides that produce light in most regions of the spectrum.

These Sylvania Metalarc M400/U/ED28 (64034) bulbs are 400W Metal Halide,They are Universal Burn, ED28 reduced jacket, Mogul Base lamps are intended for use in enclosed luminaires . The Initial Lumens are 36,000, The Mean Lumens are 22,000.They have a rated average life 20,000 Hours when burned in the Vertical (V) position, ANSI Type M59/E. The M400/U/ED28 is the factory replacement for the M400/U/BT28 (64488).

Specification Sheet