Philips 131623 Indoor Furnishings User Manual

Ordering Information
Ordering Code MH1500/U
ANSI Designation M48/E
Product Number 131623
Description Metal Halide
Package Quantity 6
Physical Characteristics
Bulb Size BT-56
Bulb Finish Clear
Base E39 Mogul
Max. Overall Length (MOL) 15 3/8" (390.5mm)
Light Center Length (LCL) 9 1/2" (241mm)
Arc Length 4 3/32" (104mm)
Arc Tube Material Quartz
Max. Permissible Bulb Temp. 430ºC (806ºF)
Max. Permissible Base Temp. 210ºC (410ºF)
Max. Bulb to Base Eccentricity
Max. Arc Tube to Base Eccentricity
Operating Characteristics (Photometric)
Base Up Horizontal
Rated Initial Lumens
172,000 155,000
Mean Lumens,Approx.
137,600 124,000
Rated Average Life, Hours 6000 3000
Correlated Color Temp. (CCT)
4000K 4000K
CIE Chromacity Approx.
x-.382, y-.389 x-.364, y-.392
Color Rendering Index (CRI) 63 60
Efficacy (lpw) 114 103
Operating Position
Universal—Enclosed Luminaires Only
Metal Halide 1500 Watt Lamp (Clear)