Philips Indoor Furnishings 232520 User Manual

Pulse Start Metal Halide  
400 Watt ED-28 Lamp (Clear)  
Q Ordering Information  
Ordering Code  
ANSI Designation  
Product Number  
Description  
MS400/BU/ED28/PS  
M155/M135/E  
232520  
Pulse Start Metal Halide  
12  
Package Quantity  
Q Physical Characteristics  
Bulb Size  
Bulb Finish  
ED-28  
Clear  
81/4"  
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  
44,000  
30,800  
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
110  
Q Operating Position  
Base Up 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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