Pulse Start Metal Halide
400 Watt Lamp (Clear)
◗ Ordering Information
Ordering Code
ANSI Designation
Product Number
Description
MS400/BU/PS
M135/M128/S
278168
Pulse Start Metal Halide
12
7"
Package Quantity
◗ Physical Characteristics
Bulb Size
111/2"
ED-37
Bulb Finish
Clear
Base (Nickel Plated Brass)
Maximum Overall Length (MOL)
Light Center Length (LCL)
Arc Length
Mogul-Screw
11 1/2'' (292mm)
7.0'' (178mm)
1.57'' (40mm)
Quartz
Arc Tube Material
Max. Permissible Bulb Temp.
Max. Permissible Base Temp.
Max. Bulb to Base Eccentricity
Max.Arc Tube to Base Eccentricity
430ºC (806ºF)
210ºC (410ºF)
3º
3º
◗ Operating Characteristics (Photometric)
1,2
Approx. Initial Lumens
Approx. Mean Lumens
42,600
29,820
20,000
4100K
x-.385, y-.400
62
MS400/BU/PS
1,3,4
Lumen Maintenance
100%
90%
80%
70%
60%
50%
40%
5
Rated Average Life, Hours
Correlated Color Temp. (CCT)
CIE Chromaticity Approx.
Color Rendering Index (CRI)
Efficacy (lpw)
3
3
0
2000
4000
6000
8000
10000
106.5
BURNING HOURS
RATED AVERAGE LIFE 20,000 HOURS
◗ Operating Position
Base Up 15º–Open or Enclosed Luminaires Unless Otherwise Noted
Note: Pulse Start Metal Halide is Designed for Operation
on Only Approved Ballasts with Metal Halide Pulse Ignitors.
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