Product Description
WFD4B is a 4-inch deep regress wafer downlight from RAB Lighting, delivering 13W of high-performance, low-glare illumination with 90 CRI color quality and five selectable color temperatures. Designed to mimic the appearance of traditional recessed fixtures without requiring a housing or junction box, this wafer provides powerful 1200-lumen output, airtight performance, and reliable TRIAC dimming, making it ideal for both residential and commercial applications.
Product Summary
Brand: RAB Lighting
Model: WFD4B
Trim: White Baffle
Size: 4" Deep Regress
Lumen Output: Up to 1,331 lm
Wattage: 13W
CRI: 90+
CCT Options: 2700K–5000K
Dimming: TRIAC/ELV to 10%
Voltage: 120V
IC Rating: Yes, IC Rated
Listings: ENERGY STAR, UL, Wet Rated
Free shipping on orders over $250.
Product Benefits
- No housing required: Installs directly into ceilings for fast, efficient installation and reduced labor costs.
- Deep regress design: Helps reduce glare and enhances visual comfort compared to standard wafer downlights.
- High color accuracy: 90+ CRI with R9 ≥ 50 ensures vibrant, natural color rendering in any environment.
- Field-adjustable color temperature: Five built-in CCT settings provide flexibility for residential and commercial lighting designs.
Key Features
- 5 selectable CCTs (2700K, 3000K, 3500K, 4000K, 5000K) via DIP switch.
- IC-rated and airtight for direct contact with insulation.
- 90° beam angle for wide, even light distribution.
- TRIAC/ELV dimming down to 10% for smooth light control.
- White baffle trim reduces glare and enhances architectural appearance.
- 50,000-hour LED lifespan for long-term reliability.
- Suitable for wet locations, including outdoor covered ceilings and bathrooms.
Specifications
Technical Performance
| Attribute | Value |
|---|---|
| Wattage | 13W |
| Lumens | 1213–1331 lm (varies by CCT) |
| Efficacy | 102–113 lm/W |
| Lifetime | 50,000 hours (L70) |
| Beam Angle | 90° |
| Color Accuracy | 90+ CRI, R9 ≥ 50 |
Electrical
| Attribute | Value |
|---|---|
| Voltage | 120V |
| Dimming | TRIAC/ELV down to 10% |
| Power Factor | ≥0.9 |
| THD | ≤20% |
| Flicker | 5% |
Construction
| Component | Details |
|---|---|
| Trim Style | Baffle |
| Finish | White |
| Material | Metal and polycarbonate diffuser |
| Cutout Size | 4-5/16" |
| IC Rating | IC-rated, Airtight |
Compliance & Listings
| Certification | Details |
|---|---|
| ENERGY STAR | Certified (ID: 2508117) |
| UL Listed | Yes |
| Wet Location Rated | Yes |
| Title 24 JA8 | Compliant |
| RoHS | Mercury & UV free |
Application Examples
- Residential kitchens, living rooms, hallways, and bathrooms
- Hospitality spaces including hotels and lobbies
- Retail accent and general lighting
- Commercial corridors and common areas
- Wet-rated areas such as covered outdoor ceilings
Installation Tips
- Use the included cutout template to ensure accurate hole sizing.
- Open the driver box, remove necessary knockouts, and secure wiring connections.
- Select your desired CCT setting before closing the driver box.
- Insert the wafer into the ceiling and engage the retention tabs for a flush, secure fit.
- Ensure power is turned off during installation to avoid electrical hazards.
Frequently Asked Questions
Does the WFD4B require a recessed housing?
No, it installs directly into the ceiling without needing a can or junction box.
Is this wafer suitable for wet locations?
Yes, it is rated for dry, damp, and wet environments.
Can I adjust the color temperature after installation?
Yes, the DIP switch allows selection of five CCT options.
What dimmers are compatible?
Most TRIAC and ELV dimmers are supported; check RAB's compatibility list for best performance.
Is the WFD4B IC rated?
Yes, it is IC rated for direct contact with insulation.
What is the cutout size?
The required ceiling cutout is 4-5/16 inches.
What accessories are available?
Mounting plates, drivers, and extension cables are offered for expanded installation options.