Specification

PSG101-800-858-7763 | www.lithonia.com
20
RECESSEDLITHONIA COMMERCIAL & INDUSTRIAL FLUORESCENT
2RT8B
2'x2', 2'x4', 1'x4'
Intended Use
The 2RT8B Series is designed
for applications where
comfort, aesthetics and
energy savings are important.
Provides volumetric lighting
for applications such as
o ces, schools, hospitals,
retail and numerous other
commercial applications.
Construction
Impact-modi ed acrylic
prismatic refractor.
One-piece, vacuum-formed
PETE (polyethylene) trim
with embossed facets.
Low-pro le 3-3/16" depth
makes 2RT58B ideal for appli-
cations where plenum height
is a factor. Re ector includes
micro-facets that echo the
frequency of the prisms in the
refractor, providing a quiet
appearance in the ceiling.
98% re ective ALANOD
MIRO-SILVER® optical assem-
bly e ciently redirects lamp
output into the refractor.
Lamp accessed by unlatching
trim and allowing it to hinge
open for easy maintenance.
Ballast is accessed from below
by removing channel cover.
Optics
Delivers volumetric lighting
by  lling the entire volume of
space with light, delivering
the ideal amount to walls,
cubicles, work surfaces and
people. Luminous character-
istics are carefully managed
at high angles to deliver just
enough intensity to provide
the volumetric e ect.
Electrical
A wide variety of ballast
con gurations including
CEE (Consortium of Energy
E ciency) are available.
Other ballast types include
set light output or step-level
dimming. Step-dimming
options allow the system to
be switched to 50% power
for compliance with common
energy codes while illuminat-
ing both lamps.
Highly e cient electronic
ballast, Class P, thermally
protected, resetting, HPF,
non-PCB, UL Listed and CSA
Certi ed, sound rated A.
Ballast disconnect provided
standard where required
to comply with U.S. and
Canadian electrical codes.
Listings
UL Listed. CUL Listed or
CSA Certi ed to Canadian
standards – optional. NOM
Certi ed – optional.
Protected by one or more of
US Patents Nos. 7,229,192;
D541,467; D541,468;
D544,633; D544,634;
D544,992 and D544,933. Ad-
ditional patent pending.
Series Trim
Number
of lamps
1
Lamp type
1
Voltage Ballast
1
Lamp color
8
Options
2RT8B 2' wide
RT8B 1' wide
(blank) Grid
FFlange
1
2
17 17W T8 (24")
32 32W T8 (48")
MVOLT
347
5
GEB10IS T8 electronic ballast, ≤10% THD, instant start
GEB10RS T8 electronic ballast, ≤10% THD, programmed
rapid start
BILP T8 high-performance ballast, low ballast factor
(.78), instant start
2
BINP T8 high-performance ballast, normal ballast
factor (.88), instant start
2
BIHP T8 high-performance ballast, hight ballast factor
(1.2), instant start
2,3
BSNP T8 high-performance, normal ballast factor (.88),
step-dim programmed start, 2 lamp only
2,3,7
LP835 Lamped with 3500°K lamp
LP830 Lamped with 3000°K lamp
LP841 Lamped with 4100°K lamp
L835HT8 Lamped with long-life
3500°K lamp
L830HT8 Lamped with long-life
3000°K lamp
L841HT8 Lamped with long-life
4100°K lamp
GLR Fast-blow fuse
4
EL Emergency
battery pack
6
CSA Meets Canadian
standards
NOM Meets Mexican
standards
ORDERING INFORMATION
For shortest lead times, con gure products using bolded options.
Example: 2RT8B 2 32 MVOLT BINP LP835HT8
ADDITIONAL INFORMATION
For additional product information, visit www.lithonia.com.
ACCESSORIES
ORDER SEPARATELY
DGA_
Drywall ceiling adapter, unit installation. Use G trim plus DGA for suport in plaster ceilings. (Add 24 for 2'x4', 22 for
2' x2' , 14 for 1' x4'.)
24
(61.0)
3-1/4
(8.3)
Drawings are for dimensional detail only and may not represent actual
mechanical con guration. Dimensions are shown in inches (centimeters)
unless otherwise noted.
Notes
1 See Con gurations table for lamp and ballast compatibility.
2 CEE quali ed HPT8, NEMA Premium® ballast to qualify for many utility rebates.
3 Not available for 347V.
4 Specify voltage.
5 Available only with CSA option.
6 Consult www.lithonia.com for available options.
7 Available with two-lamp model only.
8 Required. All  xtures shipped with lamp installed.
CONFIGURATIONS
SERIES NOMINAL SIZE
NUMBER
OF LAMPS
LAMP TYPE BALLAST DESCRIPTION
2RT8B 2'x4' 2 32 BILP High e ciency, instant start, 0.78BF
2RT8B 2'x4' 2 32 BINP High e ciency, instant start, 0.88BF
2RT8B 2'x4' 2 32 BIHP High e ciency, instant start, 1.2BF
2RT8B 2'x4' 2 32 BSNP High e ciency, step dimming, 0.88BF
2RT8B 2'x4' 2 32 GEB10IS Instant start, 0.88BF
2RT8B 2'x4' 2 32 GEB10RS Programmed rapid start, 0.88BF
2RT8B 2'x2' 2 17 BILP High e ciency, instant start, 0.81BF
2RT8B 2'x2' 2 17 BINP High e ciency, instant start, 0.90BF
2RT8B 2'x2' 2 17 BIHP High e ciency, instant start, 1.2BF
2RT8B 2'x2' 2 17 BSNP High e ciency, step dimming, 0.88BF
2RT8B 2'x2' 2 17 GEB10IS Instant start, 0.88BF
2RT8B 2'x2' 2 17 GEB10RS Programmed rapid start, 0.88BF
RT8B 1'x4' 1 32 BILP High e ciency, instant start, 0.78BF
RT8B 1'x4' 1 32 BINP High e ciency, instant start, 0.88BF
RT8B 1'x4' 1 32 BIHP High e ciency, instant start, 1.2BF
RT8B 1'x4' 1 32 GEB10IS Instant start, 0.88BF
RT8B 1'x4' 1 32 GEB10RS Programmed rapid start, 0.88BF
Volumetric Lighting
RT8B
12
(30.5)
3-1/4
(8.3)
2RT8B
PRODUCT INFORMATION