Summit 38 R
3.8" Architectural Linear Recessed LED
Ascent Architectural Lighting
Summit 3.8 is a sleek, architectural linear LED luminaire that combines modern aesthetics with high-performance illumination. Summit 3.8 R is designed for recessed applications, delivering 100% direct distribution with a clean, minimalist aesthetic. Available in flanged and trimless options, it integrates seamlessly into a variety of ceiling types. Offered in 2', 3', 4', and 8' lengths—with the ability to connect for continuous runs up to 40'—Summit 3.8 R also supports geometric configurations using illuminated corners. With field selectable wattage and color temperature, and a damp location rating, it provides outstanding versatility and on-site customization.
Summit 3.8 is a sleek, architectural linear LED luminaire that combines modern aesthetics with high-performance illumination. Summit 3.8 R is designed for recessed applications, delivering 100% direct distribution with a clean, minimalist aesthetic. Available in flanged and trimless options, it integrates seamlessly into a variety of ceiling types. Offered in 2', 3', 4', and 8' lengths—with the ability to connect for continuous runs up to 40'—Summit 3.8 R also supports geometric configurations using illuminated corners. With field selectable wattage and color temperature, and a damp location rating, it provides outstanding versatility and on-site customization.
CCT
- 3000K
- 3500K
- 4000K
CRI
- 80 CRI
- 90 CRI
Color / Finish
- Black
- White
Controls Options
- Occupancy Sensor
Dimensions
- H: 3.74 In. L: 23.7 In. W: 3.74 In.
- H: 3.74 In. L: 35.71 In. W: 3.74 In.
- H: 3.74 In. L: 47.72 In. W: 3.74 In.
- H: 3.74 In. L: 95.24 In. W: 3.74 In.
Dimming Protocol
- 0-10 V
- 1-10 V
- Lutron
Dimming Range
- 1%
- 10%
Distribution
- Direct
Efficacy
- 90 lm/w
- 110 lm/w
Emergency Options
- Emergency Battery Backup
Lamp Base
- Integrated
Lamp Life
- 50000 hrs
Lamp Source
- LED
Listings
- UL
- cUL
- cULus
Lumens
- 900 Lm
- 1100 Lm
- 1350 Lm
- 1650 Lm
- 1800 Lm
- 2070 Lm
- 2200 Lm
- 2530 Lm
- 2700 Lm
- 3300 Lm
- 3600 Lm
- 4400 Lm
- 5400 Lm
- 6600 Lm
- 7200 Lm
- 8800 Lm
Lumens/Linear Ft
- 450 Lm/ft
- 550 Lm/ft
- 600 Lm/ft
- 675 Lm/ft
- 690 Lm/ft
- 750 Lm/ft
- 825 Lm/ft
- 843.33 Lm/ft
- 900 Lm/ft
- 1100 Lm/ft
Materials
- Aluminum
Mounting
- Ceiling
- Flange
- Grid
- Recessed
- Surface
Ratings & Compliance
- Damp
- LM80
Shape
- Linear
- Rectangular
- Rectilinear
Voltage
- 110-277 V
- UNV
Warranty
- 5 yr
Watts
- 10 w
- 15 w
- 20 w
- 23 w
- 30 w
- 40 w
- 60 w
- 80 w
Watts / Linear Ft
- 5 w/lf
- 5 w/lf
- 7.5 w/lf
- 7.67 w/lf
- 10 w/lf
- 10 w/lf
Resources
CCT
- 3000K
- 3500K
- 4000K
CRI
- 80 CRI
- 90 CRI
Color / Finish
- Black
- White
Controls Options
- Occupancy Sensor
Dimensions
- H: 3.74 In. L: 23.7 In. W: 3.74 In.
- H: 3.74 In. L: 35.71 In. W: 3.74 In.
- H: 3.74 In. L: 47.72 In. W: 3.74 In.
- H: 3.74 In. L: 95.24 In. W: 3.74 In.
Dimming Protocol
- 0-10 V
- 1-10 V
- Lutron
Dimming Range
- 1%
- 10%
Distribution
- Direct
Efficacy
- 90 lm/w
- 110 lm/w
Emergency Options
- Emergency Battery Backup
Lamp Base
- Integrated
Lamp Life
- 50000 hrs
Lamp Source
- LED
Listings
- UL
- cUL
- cULus
Lumens
- 900 Lm
- 1100 Lm
- 1350 Lm
- 1650 Lm
- 1800 Lm
- 2070 Lm
- 2200 Lm
- 2530 Lm
- 2700 Lm
- 3300 Lm
- 3600 Lm
- 4400 Lm
- 5400 Lm
- 6600 Lm
- 7200 Lm
- 8800 Lm
Lumens/Linear Ft
- 450 Lm/ft
- 550 Lm/ft
- 600 Lm/ft
- 675 Lm/ft
- 690 Lm/ft
- 750 Lm/ft
- 825 Lm/ft
- 843.33 Lm/ft
- 900 Lm/ft
- 1100 Lm/ft
Materials
- Aluminum
Mounting
- Ceiling
- Flange
- Grid
- Recessed
- Surface
Ratings & Compliance
- Damp
- LM80
Shape
- Linear
- Rectangular
- Rectilinear
Voltage
- 110-277 V
- UNV
Warranty
- 5 yr
Watts
- 10 w
- 15 w
- 20 w
- 23 w
- 30 w
- 40 w
- 60 w
- 80 w
Watts / Linear Ft
- 5 w/lf
- 5 w/lf
- 7.5 w/lf
- 7.67 w/lf
- 10 w/lf
- 10 w/lf











