Gotham 4 ATH T4_T6 Downlight SpecSheet User Manual
4” ath
Luminaire Type:
Catalog Number
(autopopulated):
© 2006-2014 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 03/24/14. Specifications subject to change without notice.
PAGE 1 OF 3
ATH-4-OPEN
Gotham Architectural Downlighting
HID Downlights
4” ATH
T4/T6 Downlight
Ceramic Metal Halide Lamp
OPTICAL SYSTEM
•
Self-flanged semi-specular or matte-diffuse anodized lower reflector. Patented
Bounding Ray™ Optical Principle design (U.S. Patent No. 5,800,050).
Minimum flange matches reflector finish.
•
Interchangeable upper reflectors provide narrow, medium and wide distributions.
•
1/8”-thick softening lens eliminates beam striations and ensures maximum
efficiency. Provides required protective shielding.
•
Optical system retained by self-aligning torsion support springs.
MECHANICAL SYSTEM
•
16-gauge galvanized steel construction; maximum 1-1/2” ceiling thickness.
•
Telescopic mounting bars maximum of 32” and minimum of 15”, preinstalled, 4”
vertical adjustment.
•
Toolless post-installation adjustments.
•
Junction box capacity: 8 (4 in, 4 out) 12AWG rated for 90°C.
•
Toolless re-lamp capability from above or below ceiling.
ELECTRICAL SYSTEM
•
Toolless access door provides access to junction box and ballast through the aperture.
•
G12, G8.5 or PGJ5 base ceramic socket.
•
Pre-wired, electronic, 120 or 277V ballast module is standard. Assembly can be
attached before or after mounting of mounting/plaster frame.
•
Thermally activated insulation detector.
•
30 K lamp ships standard.
LISTING
•
Fixtures are UL Listed for thru-branch wiring, non-IC recessed mounting and
damp locations. Listed and labeled to comply with Canadian standards.
WARRANTY
•
1-year limited warranty. Complete warranty terms located at
www.acuitybrands.com/CustomerResources/Terms_and_conditions.aspx
EXAMPLE: ATH T4T 20MHC 4AR N LD 120
Series
Lamp type
Lamp wattage
Aperture/Trim color
Distribution
Finish
Voltage
Ballast
ATH
T4T
1,2
T4
T6
3
20MHC
39MHC
70MHC
4AR
Clear
4BR
4
Black
4PR
Pewter
4WTR
Wheat
N
Narrow
M
Medium
W
Wide
(blank)
Semi-specular
LD
Matte-diffuse
120
277
347
5
(blank)
Electronic ballast
EMB
Electromagnetic ballast
Options
SF
Single fuse
TRW
White painted flange
TRBL
Black painted flange
L/LP
6
Less lamp
RRC
7
RELOC
®
-ready luminaire. Provides compatibility with Lithonia RELOC system. Access
above ceiling required.
CP
Chicago plenum
FE
AT
U
RE
S
OR
DER
ING
IN
FO
RM
AT
ION
N
OT
ES
ORDERING NOTES
1.
Philips Mini MasterColor
®
available in 20W or 39W, 120V only.
2.
Available with electronic ballast and 120V only.
3.
Available in 39W and 70W only.
4.
Not available with finishes.
5.
Available with 70W electromagnetic ballast only.
6.
Not valid with GRS and GRSTD.
7.
For compatible RELOC systems, refer to