3

7/16"

5

7/16"

◗Ordering Information

Ordering Code MHC150/U/MP/3K/ALTO
ANSI Designation M142/M102/O
Product Number 134635
Description MasterColor Metal Halide
Package Quantity 12

◗Physical Characteristics

Bulb Size ED-17P
Bulb Finish Clear
Base Medium Screw
Max.Overall Length (MOL) 5 7/16'' (138mm)
Light Center Length (LCL) 3 7/16'' (87mm)
Arc Length 0.79'' (20mm)
Arc Tube Material Poly Crystalline Alumina
Max.Permissible Bulb Temp. 350˚C (662˚F)
Max.Permissible Base Temp. 190˚C (374˚F)
Max.Bulb to Base Eccentricity 3º
Max.Arc Tube to Base Eccentricity 3º

◗Operating Characteristics (Photometric)

Rated Initial Lumens (1) 12,900
Mean Lumens,Approximate (2) 9545
Rated Average Life,Hours 10,000
Correlated Color Temperature (CCT) (2) 3000 K
CIE Chromaticity Approximate (2) x-.433,y-.398
Color Rendering Index (CRI) 85
Efficacy (lpw) 86

◗Operating Position

Universal-Open or Enclosed Luminaires
Note:Electronic ballasts are preferred for optimum performance,
energy efficiency and circuit loading.
Protected MasterColor®Metal Halide 150 Watt ED-17P 3K (Clear) Lamp Featuring ALTO®Lamp Technology
MasterColor® Spectral Power Distribution—3K Types
RELATIVE ENERGY
400 450 500 550 600 650 700
WAVELENGTH (Nanometers)
350
300
250
200
150
100
50
0
40
50
60
70
80
90
100
05000 15000
Percent Lumen Maintenance
Burning Hours
Average Lumen Maintenance Curve, MHC150/U/MP/3K
Clear and Coated
10000 20000