Technical Specifications

COOPER LIGHTING - METALUX
®
Catalog #
Type
Date
Project
Comments
Prepared by
LAMPS CONTAIN MERCURY. DISPOSE ACCORDING TO
LOCAL, STATE OR FEDERAL LAWS
Safe and convenient means of
disconnecting power.
23-3/4" [603mm]
3-1/4"
[83mm]
COOPER LIGHTING
D E S C R I P T I O N
The GR8 is a T8-dedicated lensed troffer designed to offer premium
performance in a low profile housing. T8 dedication and optimized
lamp to lens spacing provides the best in energy efficiency and optical
control. The GR8’s shallow, low profile housing is compatible with even
highly restrictive plenums. Luminaires are compatible with today’s
popular ceiling systems.
The GR8 offers great performance and great quality. The series is an
excellent choice for commercial offices, schools, hospitals, retail
merchandising and many other applications.
EB Ballast & STD Lamps
328T8 (67)
332 (91)
Luminaire Efficacy Rating
LER = FL-75
Catalog Number: 2GR8-332A
Yearly Cost of 1000 lumens,
3000 hrs at .08 KWH = $3.20
*Standard G (Grid) Type Fixtures can be
field converted by adding trim kits. See
Compatibility Section or Consult Factory.
**Reference the lamp/ballast data in the
Technical Section for specific lamp/ballast
requirements.
***When ordering Flange Kit for
installation in drywall ceilings, see options
and accessories compatibility section and
ordering logic.
2GR8
328T8
332
2 ' X 4 ' T R O F F E R
3 T 8 L A M P S
General Purpose
T8 Commercial Troffer
ADF012708
E N E R G Y D A T A
Input Watts:
S P E C I F I C A T I O N F E A T U R E S
C o n s t r u c t i o n
Unitized low profile recessed
housing is die formed of code
gauge prime cold rolled steel
with full length stiffeners and
unibody endplate for added
strength. Ballast cover is easily
removed without tools. Die
formed captive lampholder
bracket fully encloses
lampholder wiring for easy
lampholder replacement. Ample
KOs are provided for continuous
row wiring. Built-in grid-lock
feature for safety and
convenience.
E l e c t r i c a l * *
Ballasts are CBM/ETL Class “P”
and are positively secured by
mounting bolts. Rotor-lock
lampholders. UL/CUL listed.
Suitable for damp locations.
F i n i s h
Multistage, iron phosphate
pretreatment ensures maximum
bonding and rust inhibition.
Lighting grade baked white
enamel finish with premium
reflectance for high efficiency.
23-3/4"
[603mm]
47-15/16" [1218mm]
3-1/2"
[89mm]
1-1/2"
[38mm]
2-11/16"
[69mm]
3-1/8"
[80mm]
1"
[26mm]
1-1/2"
[38mm]
Location of Standard
Access Opening
23-3/4" [603mm]
3-1/4" [83mm]
X=5-3/8"
[137mm]
X X
M O U N T I N G D A T A
L A M P C O N F I G U R A T I O N S
H i n g i n g / L a t c h i n g
Positive spring loaded steel
latches and safety lock T-hinges
provide secure, high quality
door fit and allow hinging and
latching from either side.
F r a m e / S h i e l d i n g
Heavy gauge flat steel door is
die formed with reinforced
mitered corners. Housing and
door frame assemblies
incorporate full width
mechanical light traps. Light
stabilized, acrylic prismatic lens.
C E I L I N G C O M P A T I B I L I T Y
G
Grid/Lay-in
Standard
G
Concealed T
G
Slot Grid
F
Flange Trim
With Supporting
Swing Gates
Ceiling Trim
Type Type
Exposed Grid G
Concealed T G
Slot Grid G
Flange G***
D O O R F R A M E S
2 G R 8
F lat, White
Steel ( White
L atches)