Lotus 4" Square Deep Regressed LED Downlight 15W | LD4S
Lotus 4" Square Deep Regressed LED Downlight 15W | LD4S
The Lotus LD4S is a premium 4-inch square deep regressed LED downlight built for projects that need a cleaner architectural look with better glare control than standard recessed lighting. Its deep regressed design creates a more refined visual appearance while helping deliver comfortable, controlled light in residential and commercial spaces.
Designed for demanding installations, the LD4S combines 90+ CRI color quality, multiple beam options, multiple trim and reflector combinations, and a compact 15W plenum-rated platform. It is approved for insulated ceilings, open plenum, and wet locations, with Type IC and air-tight construction for easier specification across a wide range of ceiling conditions.
Why this downlight stands out
- Deep regressed architectural design for a more elegant, low-glare appearance
- 15W output with premium 90+ CRI light quality
- Beam flexibility with 30° standard and optional 15° or 60° optics
- Broad light engine selection including fixed CCT, 5CCT selectable, and Dim to Warm options
- Type IC, wet location, air-tight, and open plenum rated
- Driver inside connection box with Romex quick connectors
- No housing required
- Compact 3 1/2-inch deep design for tighter ceiling spaces
Available light options
- 2700K
- 3000K
- 3500K
- 4000K
- 5000K
- 5CCT selectable: 2700K / 3000K / 3500K / 4000K / 5000K
- Dim to Warm 3000K to 2000K
- Dim to Warm 3000K to 1800K
Available reflector and trim combinations
- White Reflector / White Trim
- Silver Reflector / White Trim
- Black Reflector / White Trim
- Black Reflector / Black Trim
- Silver Reflector / Black Trim
- Oil Rubbed Bronze
Key specifications
| Model | LD4S |
|---|---|
| Fixture Type | 4" Square Deep Regressed LED Downlight |
| Power | 15W |
| CRI | 90+ |
| Beam Angles | 30° standard, 15° optional, 60° optional |
| Default Driver | 120V AC Triac dimmable |
| Optional Driver | 120V-347V AC 0-10V dimmable |
| Location / Construction Ratings | Type IC, Air-Tight, Wet Location, Open Plenum |
| IP Rating | IP54 |
| Ambient Temperature | -40°F (-40°C) to +104°F (+40°C) |
| Projected Life | 70% light output at 50,000 hours |
| Certification | cULus |
| Warranty | 10 Year Residential / 5 Year Commercial |
| Dimensions | ID 4" | OD 4 7/8" | Approx. 3 1/2" deep profile |
| Cutout | 4" to 4 1/4" |
Lumen output
| Light Engine | Lumens |
|---|---|
| 2700K | 1315 lm |
| 3000K | 1360 lm |
| 3500K | 1340 lm |
| 4000K | 1430 lm |
| 5000K | 1420 lm |
| Dim to Warm 3000K-2000K | 1070 lm |
| Dim to Warm 3000K-1800K | 1210 lm |
5CCT lumen output
| 5CCT Setting | Lumens |
|---|---|
| 2700K | 1140 lm |
| 3000K | 1200 lm |
| 3500K | 1310 lm |
| 4000K | 1360 lm |
| 5000K | 1370 lm |
Installation advantages
- Driver inside connection box with Romex quick connectors
- Fast installation with knockouts and no separate housing required
- Armored cable and metal connectors for open plenum applications
- Compact form factor for limited ceiling space
Accessories sold separately
- Optional 120V-347V 0-10V dimmable driver: LLL-LD1535TR
- 26" flat rough-in plate: RIP414
- 13" flat rough-in plate: MP4-2
- 13" flanged rough-in plate: MP4
- 4 1/8" hole flanged with hanger bars: FRP4
- Armored low voltage extension 10 ft: MEC10
- Emergency driver 8W 120V-347V input: BLD-HM08D-YYY
- 4-inch square deep regressed low-glare design
- 15W architectural downlight with 90+ CRI
- 30° standard beam, optional 15° and 60°
- Type IC, wet location, airtight, open plenum
- 120V Triac driver included
- 5CCT, fixed CCT, and Dim to Warm options
Frequently Asked Questions
What kind of recessed light is the Lotus LD4S?
The LD4S is a 4-inch square deep regressed architectural LED downlight designed for low-glare recessed ceiling applications.
Is the LD4S rated for insulated ceilings and wet locations?
Yes. The LD4S is Type IC, air-tight, wet-location approved, and open-plenum rated.
What beam angles are available?
The standard beam is 30 degrees, with optional 15-degree and 60-degree beam versions available.
What driver is included?
A 120V AC Triac dimmable driver is included by default. An optional 120V-347V AC 0-10V dimmable driver is also available.
Does this fixture require a separate housing?
No. The LD4S is designed for no-housing-required installation and includes the driver inside the connection box.
What light engine choices are available?
The LD4S is available in fixed CCT versions, 5CCT selectable, and Dim to Warm options including 3000K-2000K and 3000K-1800K.