Lithonia Lighting LBR8 8" LED Retrofit/Remodel Downlight
The LBR8 series offers versatile 8-inch LED downlights designed for retrofit, remodel, and new construction applications, suitable for corridors, lobbies, conference rooms, and private offices.
Features & Specifications
- Intended Use: Corridors, lobbies, conference rooms, private offices.
- Construction: Retrofit, remodel, and new construction mounting types. Compatible with various ceiling openings and thickness ranges (1/2"-1-1/2"). Optional goof rings available.
- Ambient Temperature: Suitable for 25°C ambient temperature.
- IC Rated: Up to 1000lm.
- Optics: LEDs binned to a 3-step Mac Adam Ellipse with a 55° cutoff.
- Wiring: New construction frame accessories approved for 90°C through wiring with No. 12 AWG conductors.
- CRI: 80CRI standard (90CRI optional).
- UGR: Zero UGR for fixtures aimed at nadir with a cut-off ≤ 60deg, per CIE 117-1996.
- Electrical: Adjustable lumen output with four module options; fixed lumen options also available. MVOLT 120/277V 50/60Hz driver with 0-10V and 120V Phase Dimming (10% or 1% min dimming). FCC CFR Title 47 Part 15 Class A (277V) / Class B (120V) compliant.
- Lumen Maintenance: L80 at 60,000 hours.
- Listings: Certified to US and Canadian safety standards. Title 24 compliant (90CRI, up to 1000lm). Damp location standard (Wet Location (WL) optional). TAA compliant. UFC specification compliant. GSA P100 compliant. ROHS compliant drivers.
- Warranty: 5-year limited warranty.
Note: Actual performance may vary based on end-user environment and application. Values are typical and measured under laboratory conditions at 25°C. Specifications are subject to change without notice.
Performance Data
Performance data for LBR8 AR LSS MWD and LBR8 MS MWD series, showing Delivered Lumens and LPW for various lumen outputs (AL01-AL04) and color temperatures (30K, 35K, 40K, 50K) at 80CRI.
| Series | Lumen Output | Wattage | 30K/80CRI | 35K/80CRI | 40K/80CRI | 50K/80CRI | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Delivered Lumens | LPW | Delivered Lumens | LPW | Delivered Lumens | LPW | Delivered Lumens | LPW | |||
| LBR8 AR LSS MWD | AL01 (500LM) | 6 | 551 | 96 | 564 | 97 | 577 | 99 | 595 | 101 |
| AL01 (750LM) | 9 | 872 | 98 | 893 | 100 | 914 | 102 | 942 | 104 | |
| AL01 (1000LM) | 13 | 1225 | 95 | 1253 | 96 | 1283 | 98 | 1323 | 101 | |
| AL02 (1000LM) | 13 | 1298 | 105 | 1328 | 106 | 1360 | 108 | 1402 | 111 | |
| AL02 (1500LM) | 19 | 1895 | 101 | 1939 | 103 | 1985 | 105 | 2047 | 107 | |
| AL02 (2000LM) | 25 | 2387 | 96 | 2442 | 98 | 2500 | 99 | 2578 | 102 | |
| ALO3 (2000LM) | 25 | 2456 | 99 | 2513 | 101 | 2572 | 103 | 2652 | 105 | |
| ALO3 (2500LM) | 32 | 2965 | 94 | 3034 | 96 | 3106 | 98 | 3202 | 100 | |
| ALO3 (3000LM) | 38 | 3367 | 90 | 3445 | 91 | 3527 | 93 | 3636 | 95 | |
| ALO4 (4000LM) | 39 | 4008 | 104 | 4090 | 106 | 4172 | 108 | 4213 | 109 | |
| ALO4 (4500LM) | 44 | 4424 | 101 | 4514 | 103 | 4604 | 105 | 4649 | 106 | |
| ALO4 (5000LM) | 49 | 4811 | 98 | 4909 | 100 | 5007 | 102 | 5056 | 103 | |
| LBR8 MS MWD | AL01 (500LM) | 6 | 463 | 80 | 474 | 82 | 485 | 84 | 500 | 86 |
| AL01 (750LM) | 9 | 733 | 82 | 750 | 84 | 767 | 86 | 791 | 88 | |
| AL01 (1000LM) | 13 | 1029 | 79 | 1053 | 81 | 1078 | 83 | 1111 | 86 | |
| AL02 (1000LM) | 13 | 1091 | 87 | 1116 | 89 | 1142 | 91 | 1178 | 94 | |
| ALO2 (1500LM) | 19 | 1592 | 84 | 1629 | 86 | 1667 | 88 | 1719 | 91 | |
| ALO2 (2000LM) | 25 | 2005 | 80 | 2052 | 82 | 2100 | 84 | 2165 | 87 | |
| ALO3 (2000LM) | 25 | 2063 | 83 | 2111 | 85 | 2161 | 87 | 2228 | 89 | |
| ALO3 (2500LM) | 32 | 2490 | 79 | 2548 | 81 | 2609 | 83 | 2690 | 85 | |
| ALO3 (3000LM) | 38 | 2828 | 75 | 2894 | 77 | 2963 | 78 | 3055 | 81 | |
| ALO4 (4000LM) | 39 | 3367 | 86 | 3436 | 88 | 3504 | 90 | 3539 | 91 | |
| ALO4 (4500LM) | 44 | 3716 | 84 | 3792 | 86 | 3867 | 88 | 3905 | 89 | |
| ALO4 (5000LM) | 49 | 4041 | 82 | 4124 | 84 | 4206 | 86 | 4247 | 87 | |
* Tested in accordance with IESNA LM-79-08. Tested to current IES and NEMA standards. CRI: 80 typical.
Design Select: Items marked with a shaded background qualify for the Design Select program and ship in 15 days or less. Visit www.acuitybrands.com/designselect for more details.
Module Ordering
Lead times vary based on options. Consult sales representative. Example: LBR8 AL02 SWW1 AR LSS MWD MVOLT UGZ 90CRI
| Series | Lumens | Color Temperature | Reflector Color | Reflector Finish | Reflector Flange | Distribution | Voltage | Driver | Emergency | Control Input | Options |
|---|---|---|---|---|---|---|---|---|---|---|---|
| LBR8 | Adjustable Lumen Output: AL01 (500/750/1000lm), AL02 (1000/1500/2000lm), AL03 (2000/2500/3000lm), AL04 (4000/4500/5000lm) | Switchable CCT: SWW1 (3000K-3500K-4000K-5000K) | AR (Clear) | LSS (Semi-specular) | (blank) (Self-flanged) | MWD (Medium wide) | MVOLT (120/277/347V) | UGZ (10% dimming) | (blank) (No Emergency) | JOT (Just One Touch) | 90CRI (High CRI) |
| LBR8WW | Fixed Lumen Output: 05LM (500lm) to 50LM (5000lm) | Fixed CCT: 27K, 30K, 35K, 40K, 50K | BR (Black painted) | MS (Metallic Silver) | TRW (White painted) | WD (Wide) | UGZ1 (1% dimming) | ELR (Battery pack, non-T20) | nLIGHT | AT (Airtight) | |
| WR (White painted) | TRBL (Black painted) | WW (Wallwash) | DALI (DALI dimming) | ETS (Iota Emergency Transfer System) | nLIGHTER | EC1 (Extended Conduit 18") | |||||
| TCPC (Custom painted trim) | FCPC (Custom painted flange only) | D1 (Min 1% dimming, JOT driver) | E10WCP (Battery pack, T20 compliant) | NLTAIR2 (nLight Air enabled) | EC6 (Extended Conduit 6ft) | ||||||
| TRALTBD (RAL painted trim) | FRALTBD (RAL painted flange only) | E10WCPR (Battery pack, T20, remote test switch) | NLTAIREM2 (nLight Air Dimming Pack) | WL (Wet Location) | |||||||
| E10WRSTAR (Battery pack, 10W, remote test switch, STAR tech) | QDS (Quick disconnect) | ||||||||||
| CP (Chicago Plenum) |
Note: '+' indicates option value has ordering restrictions. Please reference the Option Value Ordering Restrictions chart below.
Option Value Ordering Restrictions:
- Adjustable Lumen Output and Switchable CCT must be specified together (e.g., AL01 SWW1).
- Fixed Lumen Output and Fixed CCT must be specified together (e.g., 10LM 30K).
- Various options have compatibility restrictions with other features like WL, ELR, E10WCP, LSS, TRW, TRBL, etc. Refer to the detailed chart in the original document for specific combinations.
- Custom paint (TCPC, FCPC, TRALTBD, FRALTBD) options require specific procedures and may not be available with certain finishes.
- 347V option is not available with certain control systems (e.g., NLIGHT, NLIGHTER, NLTAIR2, NLTAIREM2).
- DALI and D1 drivers have specific compatibility limitations with control systems and lumen outputs.
- Emergency battery pack options (E10WCP, E10WCPR, E10WRSTAR) have restrictions with certain controls and features.
Accessories
Accessories are ordered as separate catalog numbers and shipped separately.
- Goof Rings: LBRGR910** (9-3/4" to 10-3/4" for LBR8, specify BR or WR), LBRCPGR910** (Chicago Plenum Goof ring).
- Reflectors: LBRO8 AR LSS TRIM (8" clear, semi-specular), LBRO8 ** TRIM (8" reflector, specify MS, WR, BR), LBRW8 AR LSS TRIM (8" clear, semi-specular wallwash), LBRW8 ** TRIM (8" wallwash, specify MS, WR, BR).
- Mounting Plates: LBR46810HB FPAN U (4"-10" unit pack), LBR46810HB FPAN J10 (4"-10" 10-pack).
- Transformers: LBR SDT 347V 75W ASM (Field installed 347V Step-down transformer).
- Sloped Ceiling Adapter: SCA8 (Specify degree of slope, e.g., SCA8 10D).
Emergency Battery Pack Options - Field Installable
Various battery pack options are available for field installation, offering different wattages, runtimes, and lumen outputs.
| Battery Model Number | Wattage | Runtime (Minutes) | Lumen Output* @ 120 Lumens/Watt | Other |
|---|---|---|---|---|
| ILB CP07 2H A | 7W | 120 | 840 | Storm Shelter / 2 Hour Runtime |
| ILB CP10 A | 10W | 90 | 1200 | |
| ILBLP CP10 HE SD A+ | 10W | 90 | 1200 | Title 20, Self Diagnostic |
| ILBLP CP15 HE SD A+ | 15W | 90 | 1800 | Title 20, Self Diagnostic |
| ILB CP20 HE A | 20W | 90 | 2400 | Title 20 |
| ILB CP20 HE SD A | 20W | 90 | 2400 | Title 20, Self Diagnostic |
| ILBHI CP10 HE SD A+ | 10W | 90 | 1200 | 347-480V AC Input, Title 20, Self Diagnostic |
| ILBHI CP15 HE SD A+ | 15W | 90 | 1800 | 347-480V AC Input, Title 20, Self Diagnostic |
*Minimum delivered lumen output. The CP10 delivered emergency illumination outperforms legacy 1400 lumen fluorescent emergency ballast. Contact techsupport@iotaengineering.com for battery-related questions.
Dimensions and Mounting
Plenum Depth Table:
| Aperture Size/Output | Plenum Depth* | IC | Non-IC | Non-IC Marked Spacing |
|---|---|---|---|---|
| LBR8 500-1000 Lumen | 5.81" | X | ||
| LBR8 1000-2000 Lumen | 5.81" | X | ||
| LBR8 2000-3000 Lumen | - | 24x24x9 | ||
| LBR8 4000-5000 Lumen | - | 24x24x9 |
*Above unfinished 1/2" ceiling plane.
Ceiling Coverage Table:
| Series | Trim Aperture Flange OD | Min ceiling opening | Ceiling Thickness | Max ceiling opening | Max Ceiling Opening with Goof Ring | Overall Goof Ring OD | |
|---|---|---|---|---|---|---|---|
| LBR8 ROUND | 7-1/6" | 9-3/16" | 7-3/4" | 1/2" - 1-1/2" | 8-7/8" | 9-1/4" | 11-1/4" |
| LBR8 | 9-5/8" |
* All dimensions are inches (millimeters) unless otherwise noted.
Diagrams are provided illustrating fixture dimensions, mounting frame accessories, and various wiring configurations for different models and control systems.
Photometry
Photometric data includes distribution curves, zonal lumen summaries, and luminance data for specific configurations (e.g., LBR8 SWW1 AL02 AR LSS MWD MVOLT UGZ). Key metrics such as Beam Angle (62.6°) and Field Angle (79.4°) are provided.
Lumen Output Multipliers - CCT:
| 3000K | 3500K | 4000K | 5000K |
|---|---|---|---|
| 0.98 | 1.0 | 1.01 | 1.03 |
Lumen Output Multipliers - Finish:
| Clear Semi-spec (AR LSS) | Metallic Silver (MS) | White Painted (WR) | Black Painted (BR) |
|---|---|---|---|
| 1.0 | 0.84 | 1.03 | 0.60 |
Lumen Output Multipliers - CRI:
| 80 | 90 |
|---|---|
| 1.0 | 0.874 |
Estimating Delivered Lumens in Emergency Mode: Use the formula: Delivered Lumens = 1.25 x P x LPW, where P is the emergency driver output power (e.g., 10W for PS1055CP) and LPW is the luminaire's lumens per watt rating.
Dimmer and Control Compatibility
Dimmer Compatibility: Not compatible with DALI or DMX dimmers. Comprehensive tables detail compatibility with various Line Voltage Dimming (Forward Phase, Reverse Phase) and Miscellaneous Dimmers, as well as 0-10V Dimming systems from multiple manufacturers.
0-10V Dimming: Supports various manufacturers including Acuity, Lutron, Wattstopper, Crestron, and Leviton, with specific system types and part numbers listed.
JOT (Just One Touch): A wireless, app-free system using Bluetooth® Low Energy (BLE) for single-room lighting control, enabling wireless dimming and switching. Pairing is a simple three-step process.
nLight® Wired Controls: Offers various wall control stations (Push-Button Wallpod, Graphic Wallpod) and accessories like occupancy sensors, photocell controls, and dimming modules. Detailed compatibility tables are provided.
nLight® AIR Control Accessories: Wireless control accessories for spaces where wiring is cost-prohibitive. Features embedded smart sensors and battery-powered wall switches, managed via the CLAIRITY+ mobile app.
UL924 Sequence of Operation: Details how nLight AIR devices with an EM option operate, including normal power sensing and association with groups for emergency functionality.
Diagrams illustrate example group fixture control setups, wiring keys, and the simple 1,2,3 installation process for nLight AIR.
