Gotham 3 DMRH SpecSheet
Luminaire Type:
Catalog Number
(autopopulated):
Gotham Architectural Downlighting
HID Downlights
3” DMRH
Downlight
Seamless Cast Faceplate with Open Cone
MR16 Ceramic Metal Halide Lamp
FEAT URES ORDERING INFORMATION NOTES
OPTICAL SYSTEM
• Internal housing components painted matte black. Lamp snoot minimizes stray
light in housing.
• Semi-specular, matte-diffuse or specular cone.
• Seamless cast faceplate is retained by self-aligning, butterfly support springs.
MECHANICAL SYSTEM
• Black painted housing features tool-less top access and accommodates a
maximum 1-1/2” ceiling thickness.
• Tool-less re-lamp capability from above or below 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.
• Secondary housing adjustment system for precise, final flange to ceiling
alignment.
• Galvanized steel junction box with hinged access covers and spring latch. Four
combination 1/2”- 3/4” knockouts for straight-through conduit runs. Capacity: 8
(4 in, 4 out) No. 12 AWG conductors rated for 90°C.
EXAMPLE: DMRH DWN MR16 20MHC 3AC 120 SF DWHG
ELECTRICAL SYSTEM
• Tool-less access door provides access to junction box through the aperture.
• Replaceable socket assembly. GX10 socket assembly standard (20W - 39W).
• Electronic ballast module is standard and can be serviced from above or below
ceiling. Servicing from below requires removal of housing wrap and 6” of clearance above housing.
• Thermally-activated insulation detector.
LISTING
• Fixtures are UL Listed for thru-branch wiring, non-IC recessed mounting and
damp locations. Listed an labeled to comply with Canadian standards.
WARRANTY
• 1-year limited warranty. Complete warranty terms located at:
www.acuitybrands.com/CustomerResources/Terms_and_conditions.aspx
Series Configuration Lamp type Lamp wattage Aperture/Trim color Voltage
DMRH DWN MR16 MR16 capability 20MHC
39MHC
3AC
Clear
3BC1Black
3PC Pewter
120
277
347
3WTC Wheat
3GC Gold
1
3MB
Black baffle
Options
2
RRL
RELOC®-ready luminaire. Provides compatibility with Lithonia RELOC system. Access above
ceiling required.
CP
Chicago plenum
SF Single fuse
LPFL Lamped, flood
LPSP Lamped, spot
LPWFL Lamped, wide flood
ACCESSORIES order as separate catalog numbers (shipped separately)
• For lens accessories, refer to TECH-120.
ORDERING NOTES
1. Not available with finishes.
2. For compatible Reloc systems, refer to TECH-110.
DMRH-3-OPENCONE
PAGE 1 OF 3
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2008-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 08/08/13. Specifications subject to change without notice.
3
Architectural colors (powder finish)
DWHG Matte white (standard)
DDB Dark bronze
DBL Black
3. Color available for faceplate. Additional architectural colors available; see
www.lithonia.com/archcolors .
DWH Gloss white
DMB Medium bronze
DNA
Natural aluminum
DSS Sandstone
DGC
DTG Tennis green
DBR Bright red
DSB Steel blue
Charcoal gray
3” DMRH
15-1/4
(39.5)
Overlap trim: 5-7/16 (13.8)
Downlight
Seamless Cast Faceplate with Open Cone, MR16 Ceramic Metal Halide Lamp
DIMENSIONAL DATA
All dimensions are inches (centimeters) unless otherwise noted.
6-3/4
(17.2)
(38.5)
Aperture: 3 (7.6)
Ceiling opening: 4-7/8 (12.4)
15-9/16
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2008-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 08/08/13. Specifications subject to change without notice.
DMRH-3-OPENCONE
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