Description
RAB R4STL 4 in. Trimless Downlight — 20W / Selectable CCT
The RAB R4STL is a 4-inch trimless downlight delivering up to 1,934 lumens using 20W. This versatile fixture features selectable CCTs ranging from 2700K to 5000K, making it ideal for various lighting applications. Its trimless design provides a modern, seamless look.
Key Features
- Wattage: 20W
- Lumens: 1,675lm to 1,934lm depending on CCT
- Voltage: 120V
- Dimming: TRIAC/ELV dimmable down to 10%
- Beam Angle: 38°
- CRI: 90
- Lifespan: 50,000 hours
- Compliance: ENERGY STAR, Title 24 JA8, RoHS
- Operating Temperature: -13°F to 104°F
- Finish: White
- Mounting: Recessed, no housing required
- Accessories: Compatible with emergency driver T20
Construction & Aesthetics
The R4STL features a smooth, trimless design with a white finish and a clear polycarbonate lens for even light distribution. Its metal enclosure ensures durability, and it is suitable for both indoor and outdoor use.
Electrical & Installation
This downlight operates at 120V with a constant current driver. It is dimmable with TRIAC/ELV systems and requires no recessed housing, simplifying installation. The fixture includes a remote driver/junction box for easy wiring.
Light Output & Performance
With a high CRI of 90 and a beam angle of 38°, the R4STL provides excellent color accuracy and uniform light distribution. It offers a long lifespan of 50,000 hours, ensuring reliable performance.
Typical Applications
- Residential lighting
- Commercial spaces
- Hospitality environments
- Retail settings
- Outdoor canopies






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