COOPER LIGHTING - LUMARK
®
INDUSTRIAL
527
COOPER LIGHTING
DIMENSIONS
• Easy slide-on die-cast 
aluminum mounting box 
with tapped opening for 
3/4" conduit
• Durable heavy-duty 
die-cast aluminum 
housing for lasting 
performance in the 
harshest environments. 
Integrally hinged for 
ease of maintenance with 
optional toolless entry. 
Finished in a standard 
white polyester powder 
paint
• High power factor ballast 
with class H insulation. 
ECON
TM
electronic 
ballast technology 
delivers longer lamp life 
and improved lumen 
output while maintaining 
a constant lamp wattage. 
Minimum starting 
temperature is -40°C 
(-40°F) for HPS and 
-30°C (-20°F) for MH
• Universal ladder brackets 
allow for the flexibility to 
change out with other 
reflectors / refractors 
available in aluminum or 
glass
• Mogul-base porcelain 
socket
• Easily mounted prismatic 
acrylic refractor has 
multiple field-adjustable 
distribution patterns for 
precision control
• Approximate net weight: 
37 lbs. (17 kgs.)
DESCRIPTION
The BenchMark HB prismatic 
high-bay utilizes a durable 
heavy-duty die-cast aluminum 
ballast housing and prismatic 
acrylic reflector for maximum 
durability and photometric 
performance. U.L. listed and 
CSA certified. Damp location 
standard.
The BenchMark HB prismatic 
high-bay is perfect for retail 
stores, wholesale warehouses, 
grocery chains, malls and 
auto showrooms.
HB
16", 22" & 25"
PRISMATIC
BENCHMARK
175-1000W
High Pressure Sodium
Pulse Start Metal
Metal Halide
HEAVY-DUTY
PRISMATIC HIGH-BAY 
INDUSTRIAL LUMINAIRE
16" [406mm] 
22" [559mm] 
25" [635mm]
Maximum Height is
16"=27 15/16" [710mm]
22"=30 7/16" [773mm]
25"=31 5/8" [803mm]
See ordering information
for details
NOTES: 1 Not available in 175, 200, 320, 350, 450 and 750W. 2 Approved lamp containment barrier required when enclosed rated MP/ML/MH lamps are used. 2005 NEC
code requires that open luminaires must utilize a safety glass bottom (SGB) accessory or an Open rated socket (OR) and lamp. 3 175, 200, 250, 320, 350 & 400W 
only. 4 277V only, not available with HSW, HL or HC options. 5 “MD” option available on PD22 and PD25 with 250, 320, 350 or 400W Pulse Start Metal Halide 
only. 6 MD available in 208, 240 or 277V or with “E” option which will operate voltages from 200-277V 50/60 Hz. 7 Factory set for concentrated, medium or wide 
distributions only if P (factory pre-set) is in the nomenclature of the fixture. 8 HPS only. 9 Products also available in non-US voltages and 50Hz for international 
markets. Consult factory for availability and ordering information. 10 Multi-tap ballast 120/208/240/277V wired 277V. 11 Triple-tap ballast 120/277/347V wired 
347V. 12 5-tap ballast 120/208/240/277/480V wired 480V. 13 Add as suffix in the order shown. 14 Specifications and dimensions subject to change without notice.
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ORDERING INFORMATION
SAMPLE NUMBER: HPHB-PD16-M-250-MT-Q
Lamp Type 
HP=High
Pressure 
Sodium
1
MH=Metal Halide
2
MP=Pulse Start MH (CWA)
2
ML=Pulse Start MH (Linear Reactor) 
2, 3, 4
MD=Pulse Start Metal Halide (Electronic) 
2, 5, 6
Series 
HB=High-Bay
BenchMark
Refractor Type 
PD=Prismatic
Acrylic
Refractor 
Diameter 
16=16" 
22=22" 
25=25"
Socket Position/ 
Distribution
7
C=Concentrated 
M=Medium 
W=Wide
Lamp 
Wattage 
175=175W 
200=200W 
250=250W 
320=320W 
350=350W 
400=400W 
450=450W 
600=600W
8
750=750W 
1000=1000W
Voltage
9
120V 
208V
6
240V
6
277V
6
347V 
480V 
MT=Multi-Tap
10
TT=Triple-Tap
11
5T=5-Tap
12
E=Electronic
6
Options & 
Accessories
13
(See Pages 541-545)
% Lamp Survival 
LAMP MORTALITY 
2000 4000 6000  10000 8000  12000 14000 16000 18000 20000 22000 24000 26000 28000 30000 
0
90
80
70
60
50
40
30
20
10
0
100
Lamp Life [Hours] 
Natural White  & Uni-Form  Pulse Start on ECON TECHNOLOGY          Uni-Form  Pulse Start on CWA          Probe Start Metal Halide on CWA 
TM ®  ®
% Lumens 
LUMEN MAINTENANCE 
2000 4000 6000  10000 8000 12000 14000 16000 18000 20000 
40
90
80
60
70
50
0
90% Mean Lumens Nat-Wt-ECON       86% Mean Lumens-UPS-ECON       75% Mean Lumens-UPS CWA 
65% Mean Lumens-Probe Start 
100
Lamp Life [Hours] 
LAMP MORTALITY AND LUMEN MAINTENANCE COMPARISONS
NOTE: Lamp Mortality and Lumen Maintenance Charts Courtesy of VENTURE
®
Refractor Lamp 
Type Wattage
105°C
40°C (ECON)* 
55°C (Open) or 
40°C (Enclosed)**
Supply
Wire (Min.)
Ambient
Environment
PD16 175-400W
PD22 175-450W
PD25 400-1000W
NOTES: * Electronic Pulse Start Metal Halide.
** PD16 enclosed is 250W only. PD25 enclosed is 400W only.