Gotham 8 VRAH Lightshield SpecSheet User Manual
8 ” vrah
Luminaire Type:
Catalog Number
(autopopulated):
© 2012-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 09/10/13. Specifications subject to change without notice.
PAGE 1 OF 3
VRAH-8-LEnSEd
Gotham Architectural Downlighting
Vandal Resistant HID Downlights
8 ” VRAH
Lightshield™
Metal Halide Lamp
OPTICAL SYSTEM
•
Self-flanged semi-specular or matte-diffuse reflector. Patented Bounding Ray™
Optical Principle design (U.S. Patent No. 8,500,050) provides lamp before
lamp image and smooth transition from top of reflector to bottom.
•
Marine-grade die-cast aluminum bezel, low copper alloy (<1% copper). Matte
white (DWHG) standard. Stainless steel Torx
®
T20 tamper-resistant screws.
•
Perimeter lens gasket is one-piece closed-cell silicone “O” ring. Perimeter
ceiling gasket is closed-cell silicone that seals bezel to ceiling.
MECHANICAL SYSTEM
•
16-gauge galvanized steel mounting/plaster frame with friction support springs
to retain optical system. Maximum 7/8” thick ceiling.
•
16-gauge galvanized steel mounting bars with continuous 4” vertical adjust-
ment are shipped pre-installed. Post-installation adjustment possible without
the use of tools above or below ceiling.
•
Galvanized steel junction box with hinged access covers and spring latch. Two
combination 1/2”-3/4” and four 1/2” knockouts for straight-through conduit
runs. Capacity: 8 (4 in, 4 out) No. 12 AWG conductors rated for 90°C.
ELECTRICAL SYSTEM
•
Die-cast aluminum lampholder housing.
•
Medium-base porcelain socket with nickel-plated screw shell allows open and
enclosed rated lamps to be used.
•
Prewired, encased-and-potted, 120/277V (pulse start) or 120/347V (probe-
start) ballast tray module. Module can be attached before or after mounting of
mounting/plaster frame. Electronic ballast available.
•
Metal halide: 150W is standard with electronic ballast.
•
Thermally-activated insulation detector.
LISTING
•
Fixtures are UL Listed for thru-branch wiring, non-IC recessed mounting and wet
locations. Listed and labeled to comply with Canadian standards.
•
IP55 rating (below the mounting surface) is standard. IP65 rating possible with
the use of silicone.
WARRANTY
•
1-year limited warranty. Complete warranty terms located at:
www.acuitybrands.com/CustomerResources/Terms_and_conditions.aspx
EXAMPLE: VRAH 150MHC 8AR T73 120 HEB DWHG
Series
Wattage/Lamp
1
Aperture/Trim color
Distribution
Finish
Lens type
Voltage
VRAH
Metal halide
50M
70M
100M
150M
2
Color-corrected metal halide
3
50MHC
70MHC
100MHC
150MHC
2
High pressure sodium
4
150S
8AR
Clear
8PR
Pewter
8WTR
Wheat
(blank)
Wide
N
narrow
(blank)
Semi-
specular
LD
Matte-
diffuse
CGL
5
1/8” clear glass lens
T73
5
3/16” tempered prismatic glass lens
FOL
5
1/8” tempered flush opal glass lens
CVX
5
3/16” clear convex glass lens
120
277
347
4
Options
HEB
6
Electronic ballast
QRS
7
Quartz restrike system (uses 100W maximum dC base
quartz lamp by others)
QRSTD
8
Quartz restrike system with time delay. Operates like
QRS, except quartz lamp remains on for two minutes
after HId lamp restrikes.
EC
9
Emergency circuit (dC socket with leads for connection
to external emergency power source; max. 100W lamp)
SF
Single fuse
WLP
With lamp (shipped separately)
RRL
10
RELOC
®
-ready luminaire. Provides compatibility with Lithonia
RELOC system. Access above ceiling required.
CP
Chicago plenum
WG
Zinc-plated wire guard
PCU
11,12
3/16” clear polycarbonate lens underlay (roomside)
Architectural Colors - Powder Paint
13
DWHG
Matte white (standard)
DDB
dark bronze
DBL
Black
DWH
Gloss white
DMB
Medium bronze
DNA
natural aluminum
Architectural Colors - Plating
PWR
Pewter
SCH
Satin chrome
ORB
Oil-rubbed bronze
FE
AT
U
RE
S
OR
DER
ING
IN
FO
RM
AT
ION