Philips 232538 - Manual

◗ Ordering Information
Ordering Code MS400/HOR/ED28/PS
ANSI Designation M155/M135/E
Product Number 232538
Description Pulse Start Metal Halide
Package Quantity 12
◗ Physical Characteristics
Bulb Size ED-28
Bulb Finish Clear
Base (Nickel Plated Brass) Mogul-Screw
Maximum Overall Length (MOL) 8 5/16'' (211mm)
Light Center Length (LCL) 5.0'' (127mm)
Arc Length 1.73" (43.9mm)
Arc Tube Material Quartz
Max. Permissible Bulb Temp. 450º C (842º 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 40,000
Approx. Mean Lumens 1,3,4 28,000
Rated Average Life, Hours 5 20,000
Correlated Color Temp. (CCT) 3 4000K
CIE Chromacity Approx. 3 x-.385, y-.390
Color Rendering Index (CRI) 68
Efficacy (lpw) 100
◗ 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.
Pulse Start Horizontal Metal Halide
400 Watt ED-28 Lamp (Clear)
5"
8 5 / 16 "