SUGGESTED ALTERNATES: 

MH 400W/U 400 Watt M59/E Probe Start Metal Halide Bulb

M400/U/ED18 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 light bulbs are a member of the High Intensity Discharge (HID) family of lighting products. Metal Halide light bulbs are among the most energy efficient sources of white light available today. These 350 watt metal halide light bulbs feature special chemical compounds known as Halides that produce light in most regions of the spectrum.

Satco's MH400/HOR/T15/4K/E39 (S4842) Metal Halide light bulbs offer high efficacy. They have excellent color rendition, long service life and good lumen maintenance. Because of their numerous advantages, metal halide HID light bulbs are used extensively in outdoor applications and in commercial interiors. 

Satco HYGrade MH400/HOR/T15/4K/E39 400W Metal Halide, Horizontal Burn Lamps are intended primarily for use in enclosed luminaires. These Probe Start HID bulbs come with a 4000K cool white color temp, Initial Lumens 36,000 and Rated Average Life 15,000 Hours when burned in the Horizontal (H) position, ANSI Type M59/E. These Satco High Intensity Discharge Metal Halide HID light bulbs employ a E39 Mogul base and are designed with an Tubular T15 bulb. Satco metal halide lamps carry a Limited Warranty.

Specification Sheet