400 Watt ED28 HID Metal Halide Light Bulb

400 Watt ED28 HID Metal Halide Light Bulb

Clear E39 (Mogul) Base, Box


No.3701400
Domestic CodeMH400/U/M59/ED28/E
Lamp ShapeED28
Energy Used (Watts)400
Lamp BaseE39 (Mogul)
Light Appearance (Kelvin)4000
CRI60
Life (Hours)20000
Brightness (Lumens)36000
Lumens (Mean)23500
Max. Overall Length (MOL)8.31
Energy Star ApprovedN
ULN
CULN
CSAN
Contains MercuryY
Circle E CompliantN
Light Center Length5
ANSI CodeM59/E
LensedN
Pulse StartN
Life (Years)*18.2
Estimated Yearly Energy Cost**48.18


 * Based on 3 hrs./day
** Based on 3 hrs./day $.11/kWh
   Cost depends on rates and use.
High Intensity Discharge (HID) Metal Halide light bulbs have a high light output for their size, making them a compact, powerful, and efficient light source. These bulbs are widely used in a variety of commercial and industrial applications where color rendering is critical. These metal halide bulbs offer long life lasting up to 20000 hours. To help you find the right bulb for the right application, see Westinghouse’s full offering of metal halide bulbs available for use in enclosed fixtures, open fixtures and pulse start enclosed fixtures. Available with medium or mogul screw bases, these bulbs are ideal for use in retail, industrial, area lighting, accent lighting, sports lighting, security lighting, roadway lighting and parking garage applications. These light bulbs contain mercury. Dispose of according to local, state or federal laws.

Product reference number 37014



  • Available in a variety of shapes and wattages
  • Protected metal halides can be used in open rated fixtures
  • Pulse start metal halides start quicker and last longer than probe start halides
  • These bulbs require specific ballasts and starters for correct operation
  • For use in commercial and industrial applications as well as where color rendering is critical
How to Buy

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