Ordering Information
Ordering Code C200S66/ALTONC HPS
ANSI Designation S66
Product Number 157255
Description High Pressure Sodium
TCLP*Compliant
Non-Cycling
Package Quantity 12
Physical Characteristics
Bulb Size ED-18
Bulb Finish Clear
Base Mogul Screw
Max.Overall Length (MOL) 9.75" (248mm)
Light Center Length (LCL) 5.75" (146mm)
Arc Length 2.6"(66mm)
ArcTube Length 3.5" (91mm)
ArcTube Material Aluminum Oxide
Operating Position Universal
Maximum Permissible BulbTemperature 400ºC (752°F)
Maximum Permissible BaseTemperature 210ºC(410°F)
Maximum Bulb to Base Eccentricity
MaximumArc Tube to Base Eccentricity
Operating Characteristics (Photometric)
Approximate Initial Lumens122,000
Approximate Mean Lumen219,800
RatedAverage Life,Hours330,000
CorrelatedColorTemperature(CCT) 2100 K
CIE Chromaticity Approximate x-.530,y -.405
Color Rendering Index (CRI) 22
Efficacy (LPW) 110
Operating Position
Universal
TCLP*Characteristics
ToxicityCharacteristic Leaching Procedure (Federal TCLP) Results
Hg
Pb
EPALimit (mg/l) Max 0.200 5.00
C200S66/ALTONC HPS 0.074 0.0
Mercury (mg/lamps) Max 6.6
Ceramalux®High Pressure Sodium Non-Cycling200 Watt ED-18 (Clear) Lamp

featuring ALTO®LampTechnology

53/4"

93/4"

Approximate Lumen Maintenance
Approximate Survival Curve
20 40 60 80 100
0
0Percent of Rated Average Life
6,000 12,000 18,000 24,000 30,000
0Operating Hours
Percent of Rated Average Life
Operating Hours
60
80
70
90
100
%
Percent– Approx.Initial Lumens
20 40 60 80 100
0
0
6,000 12,000 18,000 24,000 30,000
0
60
80
70
90
100
%
Percent– Approx. Survival