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7"
11
1
/2"
◗ Ordering Information
Ordering Code MS400/U/PS
ANSI Designation M155/M135/E
Product Number 232835
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. 400ºC (752ºF)
Max. Permissible Base Temp. 210ºC (410ºF)
Max. Bulb to Base Eccentricity 3º
Max.Arc Tube to Base Eccentricity 3º
◗ Operating Characteristics (Photometric)
Horizontal Vertical
Approx. Initial Lumens
1,2
36,800 40,000
Approx. Mean Lumens
1,3,4
25,760 28,000
Rated Average Life, Hours
5
15,000 15,000
Correlated Color Temp. (CCT)
3
4300K 3800K
Color Rendering Index (CRI) 62 62
Efficacy (lpw) 92 100
CIE Chromacity Approx.
3
x-.380, y-.405
◗ Operating Position
Universal
Note: Pulse Start Metal Halide is designed for operation on only approved ballasts
with Metal Halide Pulse Ignitors.
Pulse Start Universal Metal Halide
400 Watt Lamp (Clear)