Philips 144758 Prospecto
7"
11
1
/
2
"
◗
Ordering Information
Ordering Code
MS400/HOR/PS
ANSI Designation
M155/M135/E
Product Number
144758
Description
Pulse Start Metal Halide
Package Quantity
6
◗
Physical Characteristics
Bulb Size
ED-37
Bulb Finish
Clear
Base (Nickel Plated Brass)
Mogul-Screw
Maximum Overall Length (MOL)
11 1/2'' (292mm)
Light Center Length (LCL)
7.0'' (178mm)
Arc Length
1.57'' (40mm)
Arc Tube Material
Quartz
Max. Permissible Bulb Temp.
400º C (752º F)
Max. Permissible Base Temp.
210º C (410º F)
Max. Bulb to Base Eccentricity
3º
Max. Arc Tube to Base Eccentricity
3º
◗
Operating Characteristics (Photometric)
Approx. Initial Lumens
1,2
36,800
Approx. Mean Lumens
1,3,4
25,760
Rated Average Life, Hours
5
15,000
Correlated Color Temp. (CCT)
3
4300K
CIE Chromaticity Approx.
3
x-.380, y-.405
Color Rendering Index (CRI)
62
Efficacy (lpw)
92
◗
Operating Position
Horizontal ± 15º–Enclosed Luminaires
Note: Pulse Start Metal Halide is Designed for Operation
on Only Approved Ballasts with Metal Halide Pulse Ignitors.
Pulse Start Horizontal Metal Halide
400 Watt Lamp (Clear)
400 Watt Lamp (Clear)
MS400/HOR/PS
Lumen Maintenance
BURNING HOURS
RATED AVERAGE LIFE 15,000 HOURS
100%
90%
80%
70%
60%
50%
40%
80%
70%
60%
50%
40%
0
2000
4000 6000 8000
%
L
U
M
E
N
M
A
IN
T
E
N
A
N
C
E