Lithonia Lighting KBMF1664 Dimensions

Catalog
Number

Notes

Type

Contractor Select

™

Lithonia LDN

LED Commercial Downlight

LDN 6" downlights are the most c ost-effective general illumin ation solutions f or commercial- grade
downlight applica tions. The LDN4 and LDN6 de signs allow for a quiet , glare-free ceiling without

compromising on efcac y.

FEATURES:

¡ 55° cutoff

¡ 80-90 Lumens/Watt

¡ 1.0 Spacing/Mounting Height ratio

Catalog Number UPC Description

LDN6 35/10 MVOLT GZ10 HSG 0019304 8377323

LDN6 35/15 MVOLT GZ10 HSG 0019304 8375787

LDN6 35/20 MVOLT GZ10 HSG 00193048380026

LDN4 35/10 MVOLT GZ10 HSG 0019304 8378481

LDN4 35/15 MVOLT GZ10 HSG 0019304 8372816

LDN4 35/20 MVOLT GZ10 HSG 0019304 8377873

LO6AR LSS TRI M 00745972691619 6" Op en reflect or with clear, semi-sp ecular finish 180

LW6AR LSS TRIM 00190887157093 6" O pen wallwash with c lear, semi-specula r finish 180

LO4AR LSS TR IM 00745972691343 4" O pen reflec tor with clear, semi-s pecular finis h 18 0

LW4AR LSS TRIM 00190887165678 4" Open w allwash with clear, sem i-specular f inish 180

More congurations are available. Click here or visit www.acuitybrands.com and search for LDN

¡ Open wallwash kicker also available

¡ MVOLT (120-277V) 0-10V 10% dimming

¡ Available in 1000lm, 1500lm, or 2000lm

6" New Construction Non-IC LED Housing, 1000lm,

10% 0-10V dimming

6" New Construction Non-IC LED Housing, 1500lm,

10% 0-10V dimming

6" New Construction Non-IC LED Housing, 2000lm,

10% 0-10V dimming

4" New Const ruction Non- IC LED Housing, 1000 lm,

10% 0-10V dimming

4" New Const ruction Non- IC LED Housing, 1500lm,

10% 0-10V dimming

4" New Const ruction Non- IC LED Housing, 200 0lm,

10% 0-10V dimming

Replaces

Up To

26W CFL 1,000 11W 3500K 80 120-2 77 84

32W CFL 1,5 00 18W 3500K 80 120 -277 84

42W CFL 2,000 22W 3500K 80 120 -277 84

26W CFL 1,000 11W 3500K 80 120 -277 84

32W CFL 1,5 00 18W 350 0K 80 120 -277 84

42W CFL 2,000 22W 3500K 80 120 -277 84

Lumens

Input
Watts

CCT CRI Volta ge

Pallet

qt y.

Accessories: Order as separate catalog num ber.

PS1055CP FMC Power Sentr y battery pack, T20 complian t, field installab le, 10w constant power

EAC ISSM 375 Compact interruptible emergency AC power system
EAC ISSM 125 Compact interruptible emergency AC power system

GRA68 JZ Oversiz ed trim ring with 8 " outside diamete r
SCA_ Sloped cei ling adapter. Replace _ wit h 4 or 6 depending on ape rture size. Refe r to TECH-SCA for more o ptions.

CONTRACTOR SELECT LDN Page 1 of 2

Emergency Battery Delivered Lumens

Use the formula below to determine the delivered
lumens in emergency mode

Deliver ed Lumens = 1.25 x P x LPW
P = Output p ower of emergenc y driver (10W for PS1055)
LPW = Lumen per w att rating of the lu minaire.

Specifications Dimensions

[14.5]

INTENDED USE:

Typical applications include corridors, lobbies, conference rooms and private ofces.

CONSTRUCTION:

Galvanized steel mounting/plaster frame; galvanized steel junction box with bottom-hinged
access covers and spring latches.

Reectors are retained by torsion springs.
Vertically adjustable mounting brackets with commercial bar hangers provide 3-3/4" total

adjustment.

Two combination ½"-3/4" and four ½" knockouts for straight-through conduit runs. Capacity:

8 (4 in, 4 out). No. 12 AWG conductors, rated for 90°C.
Accommodates 12"-24" joist spacing.
Passive cooling thermal management for 25°C ambient
Light engine and drivers are accessible from above or below ceiling.
Max ceiling thickness 1-1/2".

OPTICS:

LEDs are binned to a 3-step SDCM; 80 CRI minimum.
LED light source concealed with diffusing optical lens.
General illumination lighting with 1.0 S/MH and 55° cutoff to source and source image.

Self-anged anodized reectors in semi-specular nish.

ELECTRICAL:

Multi-volt (120-277V, 50/60Hz) 0-10V dimming drivers mounted to junction box, 10%
minimum dimming level available.
0-10V dimming xture requires two (2) additional low-voltage wires to be pulled.
70% lumen maintenance at 60,000 hours.

LISTING S:

Certied to US and Canadian safety standards. Wet location standard (covered ceiling).
IP55 rated. ENERGY STAR® certied product. More congurations are available. Click here or

visit www.acuitybrands.com and search for LDN.

LDN6 500 -1500 LUMEN

11 [27.9]

5

10

[26.2]

16

Aperture: 6-1/4 (15.9)
Ceiling Opening: 7-1/8 (18.1)
Overlap trim: 7-1/2 (19.1)

LDN6 2000 LUM EN

11 [27.9]

5

10

[26.2]

16

Aperture: 6-1/4 (15.9)
Ceiling Opening: 7-1/8 (18.1)
Overlap trim: 7-1/2 (19.1)

LDN4 500 -1500 LUMEN

3

[28.4]

11

16

9

7

16

[23.9]

5

16

3

[13.2]

5

1

16

[12.9]

7

5

8

5

[14.9]

5

11
16

11
16

[14.5]

1

6

2

[14.4]

[16.5]

WARRANTY:

5-year limited warranty. Complete warranty terms located at:

www.acuitybrands.com/support/customer-support/terms-and-conditions

Note: Actual performance may differ as a result of end-user environment and application.
All values are design or typical values, measured under laboratory conditions at 25 °C.
Specications subject to change without notice.

One Lithonia Way, Conyers, GA 30012 | 770-922-9000 | www.lithonia.com
© 2014-2020 Acuity Brands Lighting, Inc. All rights reserved. Rev. 02/26/20 Page 2 of 2

Aperture: 4-5/16 (11)

Ceiling Opening: 5-1/8

Overlap trim: 5-7/16 (13.8)

(13)

LDN4 2000 LUM EN

3

[28.4]

11

16

7

[23.9]

9

16

Aperture: 4-5/16 (11) Square
Ceiling Opening: 5-1/8
Overlap trim: 5-7/16

All dimensions are inches (centimeters) unless otherwise indicated.

(13) Square

(13.8) Square

7

11

[13.8]

5

5

16

16

CONTRACTOR SELECT LDN