Pulse Start Horizontal Metal Halide
400 Watt ED-28 Lamp (Clear)
Q Ordering Information
Ordering Code
ANSI Designation
Product Number
Description
MS400/HOR/ED28/PS
M155/M135/E
232538
Pulse Start Metal Halide
12
Package Quantity
Q Physical Characteristics
Bulb Size
ED-28
85/16"
Bulb Finish
Clear
Base (Nickel Plated Brass)
Maximum Overall Length (MOL)
Light Center Length (LCL)
Arc Length
Mogul-Screw
8 5/16'' (211mm)
5.0'' (127mm)
1.73" (43.9mm)
Quartz
5"
Arc Tube Material
Max. Permissible Bulb Temp.
Max. Permissible Base Temp.
Max. Bulb to Base Eccentricity
Max.Arc Tube to Base Eccentricity
450ºC (842ºF)
210ºC (410ºF)
3º
3º
Q Operating Characteristics (Photometric)
1,2
Approx. Initial Lumens
Approx. Mean Lumens
40,000
28,000
20,000
4000K
x-.385, y-.390
68
1,3,4
5
Rated Average Life, Hours
Correlated Color Temp. (CCT)
CIE Chromacity Approx.
Color Rendering Index (CRI)
Efficacy (lpw)
3
3
100
Q Operating Position
Horizontal 15°—Enclosed Luminaires Only
Note: Pulse Start Metal Halide is designed for operation on only approved ballasts
with Metal Halide Pulse Ignitors.
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