Gotham 1 DMRH SpecSheet

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Luminaire Type: Catalog Number (autopopulated):

Gotham Architectural Downlighting HID Downlights

1” DMRH

Slotted Adjustable

Seamless Cast Faceplate 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.

• Slotted aperture minimizes light loss at high aiming angles.

• Seamless cast faceplate is retained by self-aligning, butterﬂy support springs.

• Tool-less, 0°-45° vertical adjustment and 355° horizontal adjustment.

• Adjustment mechanism is lockable to maintain aiming after relamping.

• Position indicators allow consistent aiming from ﬁxture to ﬁxture.

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.

EXAMPLE: DMRH ADJ MR16 20MHC 1S 120 DWHG

• Galvanized steel junction box with hinged access covers and spring latch. Three combination 1/2”-3/4” knockouts and two 1/2” knockouts for straight-through conduit runs. Capacity: 8 (4in, 4 out) No. 12 AWG conductors rated for 90°C.

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 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

Series Conﬁguration Lamp type Lamp wattage Aperture/Type Voltage

DMRH ADJ MR16 MR16 capability 20MHC

39MHC

1S Slotted 120

277 347

Options

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. For compatible RELOC systems, refer to TECH-110.

2. Color available for faceplate. Additional architectural colors available; see

www.lithonia.com/archcolors.

DMRH-1-ADJ-SLOTTED

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GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com

Architectural colors (powder ﬁnish)

DWHG Matte white (standard) DDB Dark bronze DBL Black DWH Gloss white DMB Medium bronze

DNA Natural aluminum DSS Sandstone DGC Charcoal gray DTG DBR Bright red DSB Steel blue

Tennis green

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1” DMRH

15-1/4

(39.5)

Slotted Adjustable

Seamless Cast Faceplate, MR16 Ceramic Metal Halide Lamp

DIMENSIONAL DATA

All dimensions are inches (centimeters) unless otherwise noted.

(38.5)

Ceiling opening: 4-7/8 (12.4)

Overlap trim: 5-7/16 (13.8)

6-3/4 (17.2)

Faceplate Detail

Aperture: 1-1/16 (2.7) x 2-5/16 (5.9)

15-9/16

GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com

DMRH-1-ADJ-SLOTTED

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Page 3

1” DMRH

23261.2

4118

8453.53.5

652

6207

4365

22.43.6

61121.6

4462.92.9

4942.92.9

22441.7

21691.9

6424.44.4

627

8863.53.5

61272.8

4155

238

856

81621.9

6444

6369

82071.81.92.916

214

41882.92.9

4156

24871.7

23371.9

41223.4

8475.85.8

654

Slotted Adjustable

Seamless Cast Faceplate, MR16 Ceramic Metal Halide Lamp

PHOTOMETRY

LAMP PERFORMANCE DATA

The lighting performance data charts shown provide lighting levels (footcandles), beam pattern (in feet), rated lamp life (hours).

Rated Life

(hrs.)

Beam Spread

(50% CBCP)

CMH20MR16/830/FL 1200025

Aimi ng Angle20O Aiming Angle30O Aimi ng Angl

DFCW LC DFCW LC DFCW LC DFCW

1811.81.8N/A 81 2.72.7N/A

N/A

Rated Life

CMH20MR16/830/S

Beam Spread

(hrs.)

(50% CBCP)

1200012

DFCW LC DFCW LC DFCW LC DFCW

2501.3 1.3N/A

10 90 2.12.1 N/A10752.

Rated Life

(hrs.)

Beam Spread

(50% CBCP)

CMH20MR16/830WFL 1200040

DFCW LC DFCW LC DFCW LC DFCW

N/A14383.1 3.35.1 1241 2.93.46.

N/A N/A

23 5.85.8N/A

Rated Life

CMH39MR16/930/FL 1000025

Rated Life

CMH39MR16/930/S

Beam Spread

(hrs.)

(50% CBCP)

Beam Spread

(hrs.)

(50% CBCP)

1000012

DFCW LC DFCW LC DFCW LC DFCW

N/A 1 1

5.35.3 N/ A10464.75.13.

21 7.17.1 N/ A14236.67.15.1 12256.17.26.

DFCW LC DFCW LC DFCW LC DFCW

1000 0.80.8N/A

1.31.3 N/ A

2501.71.7N/A

Rated Life

CMH39MR16/930WFL 1000040

(hrs.)

Beam Spread

(50% CBCP)

DFCW LC DFCW LC DFCW LC DFCW

N/A

83 4.44.4N/A

N/A

1501.92.01.

4711.0 1.21. 67 2.83.02. 38 3.84.02.

1.31.42. 91 1.92.34.

78 3.13.41. 35 4.65.02.

61 3.44.12.3 3752.94.

19 6.26.72.

3.02.

2232.0 2.42.3

8300.91.01.

1.31.42.212722.93.46. 41 3.94.59.

3.13.41.

69 4.65.02. 39 6.26.72.

0O Aiming Angle

2.02.42.331451.72.

3.13.63.

1.01.1 2.3

81 2.33.1 3.4

2531.1 0.

63 2.22.

2.01.

5.06.1 3.

42 3.85.

2.32.7 3.4

4.14.84.

69 3.54. 39 4.66.

2.34.

2001.61.

10 72 2.73.

37 3.85.

2.01.

4.12.3 3150 2.94.

5.06.1 3.

84 3.85.

.7 .5

.0 .7

.7 .5 .4

.0 .7

1.7

.7 .5 .4

PHOTOMETRY NOTES

• Tested to current IES and NEMA standards under stabilized laboratory conditions.

• Actual performance may differ as a result of end-user environment and application.

• Consult factory or IES ﬁle for microgroove bafﬂe, black cone or other photometric reports.

DMRH-1-ADJ-SLOTTED

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GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com