Gotham 4 DMRH SpecSheet
Luminaire Type:
Catalog Number
(autopopulated):
Gotham Architectural Downlighting
HID Downlights
4” DMRH
Downlight
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.
• Self-flanged, semi-specular, matte-diffuse or specular cone with flange that
matches cone finish.
• Optical system retained by self-aligning torsion 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 4AC 120
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 Finish Voltage
DMRH DWN MR16 MR16 capability 20MHC
39MHC
4AC
Clear
4BC1Black
4PC Pewter
(blank) Semi-specular
LD Matte-diffuse
LS Specular
120
277
4WTC Wheat
4GC Gold
1
4MB
Contoured black baffle
4WC1White painted
1
4WB
Contoured white baffle
Options
2
SF Single fuse
TRW White painted flange
TRBL Black painted flange
RRL
RELOC®-ready luminaire. Provides compatibility
with Lithonia RELOC system. Access above
ceiling required.
CP
Chicago plenum
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-4-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.
LPFL Lamped, flood
LPSP Lamped, spot
LPWFL Lamped, wide flood
4” DMRH
Downlight
Open Cone, MR16 Ceramic Metal Halide Lamp
DIMENSIONAL DATA
All dimensions are inches (centimeters) unless otherwise noted.
15-1/4
(38.5)
15-9/16
(39.5)
6-3/4
(17.2)
Aperture: 4-5/16 (11.0)
Ceiling opening: 4-7/8 (12.4)
Overlap trim: 5-7/16 (13.8)
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-4-OPENCONE
PAGE 2 OF 3
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