Gotham 11 LAH SpecSheet

Luminaire Type:
Catalog Number
(autopopulated):

Gotham Architectural Downlighting
HID Downlights

11” LAH

Square Lens

T73 Prismatic Lens, Wet Location,
Horizontal Lamp, Metal Halide or HPS Lamps

FEAT URES ORDERING INFORMATION NOTES

OPTICAL SYSTEM

• Diffused anodized aluminum reflector.

• Tempered, prismatic (T73) glass lens.

DOOR

• Die-cast aluminum regressed white door frame with gasketed flange.

• Self-aligning butterfly door support springs.

MECHANICAL SYSTEM

• Die-formed steel upper housing with white polyester powder paint.

• Expandable mounting bars provide horizontal and vertical adjustment.

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

ELECTRICAL SYSTEM

• Horizontally-mounted, medium-base porcelain socket with nickel-plated screw shell.

• Prewired HPF core-and-coil ballast.

• Thermally-activated insulation detector.

EXAMPLE: LAH 100M 11RW T73 120

LISTING

• Fixtures are UL listed for thru-branch wiring, recessed mounting and wet
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 Wattage/Lamp Door frame Lens type Voltage Options

LAH

Metal halide

50M

MH50/C/U/MED

70M MH70/C/U/MED
100M MH100/C/U/MED

Color-corrected metal halide

50MHC MPC50/C/MED
70MHC MPC70/C/MED
100MHC MPC100/C/MED

High pressure sodium

50S

LU50/D/MED

70S LU70/D/MED
100S LU100/D/MED

11RW Regressed

1

white door

T73 Prismatic

lens

120
208
240
277
347

WLP With lamp. (shipped separately)

2

QRS

Quartz Restrike System

2,3

QRSTD

Quartz Restrike System with time delay

RRL RELOC®-ready luminaire. Provides compatibility with Lithonia RELOC

system. Access above ceiling required.

TRDA

Tamper-resistant door assembly (includes two tamper-resistant
screws). For added protection, use in combination with PCL option. Not
available with flush white door frame.

SF Single fuse (7FW)
PCL Clear polycarbonate lens installed in addition to standard lens
CSA
EP Encased and potted ballast
HEB

QListed and labeled to comply with Canadian Standards

4

Electronic ballast

ACCESSORIES order as separate catalog numbers (shipped separately)

BH24 24” steel bar hangers (2) for T-bar mounting.
LSMC Set of 4 T-bar mounting clips for use with bar hangers supplied with unit.(Not for use with BH24).

ORDERING NOTES

1. Consult factory for 347V.

2. QRS and QRSTD cannot be order in combination.

LAH-11-SQUARE-T73

PAGE 1 OF 3

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

© 2003-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 09/04/13. Specifications subject to change without notice.

3. Luminaire dimensions increase to 24-3/4” x 17-1/2” x 6-5/8”.

4. 120 or 277V only. MHC lamps only.

11” LAH

Aperture
Ceiling
Overlap trim:

Square Lens

T73 Prismatic Lens, Wet Location, Horizontal Lamp, Metal Halide or HPS Lamps

DIMENSIONAL DATA ELECTRICAL

All dimensions are inches (centimeters) unless otherwise noted.

23 (58.4)

13-1/4 (33.7)

Electrical Characteristics

6 (15.2)

:10-1/8 (27.0)

opening:11-1/4 (28.6)

11-5/8 (29.5)

QRS/EC WATTAGE RESTRICTIONS

HID Maximum Lamp

Wattage/ Maximum Line Current Input

V802V021tsallaB 240V 277V 347V watts

Metal Halide (Power Factor 90%)

50M HX-HPF 1.16.67 .57 .50 .43 72
70M HX-HPF 1.901.04 .90 .80 .60 95
100M HX-HPF 2.60 1.50 1.30 1.15 1.00 130

High Pressure Sodium (Power Factor 90%)

50S HX-HPF 1.24 .59 .50 .44 66
70S HX-HPF 1.45 .85 .75 .65 .52 94
100S HX-HPF 2.20 1.40 1.10 .95.70 130

Tested to current IES and NEMA standards under stabilized laboratory conditions. Various
operating factors can cause differences between laboratory data and actual field measure­ments. Dimensions and specifications are based on the most current available data and are
subject to change.

wattage wattage type

50W 75 Double contact

70/100W 100 bayonet base

Conversion Factor

Use multiplier to determine
candlepower, lumens and
footcandles of other lamps.

50M = 100M x .35
50S = 100S x .43
70S = 100S x .68

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

© 2003-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 09/04/13. Specifications subject to change without notice.

LAH-11-SQUARE-T73

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