Ketra S38 Lamp
Deliver Ketra's unmatched quality of full-spectrum light with a PAR38 lamp for track and six-inch recessed fixtures.
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Model # S38-LAMP
Product Details
Overview
The Ketra S38 lamp brings the world’s most innovative full-spectrum light to track and six-inch recessed fixtures. This proprietary four-channel light engine produces a wide range of white light (1,400K–10,000K) in a manner that makes the light feel more natural than other LED sources of white light and render objects more faithfully. Ketra Vibrancy and Color Lock capabilities deliver expanded impact with greater control over the composition of the light spectrum and continuous color monitoring to maintain color consistency over the life of the lamp. S38 lamps are built to work seamlessly with Lutron wireless control systems.
- 4-channel engine produces full-spectrum natural light and a range of 16.7 million colors, including pastels and saturated hues
- Delivers an unprecedented color temperature range of 1,400K–10,000K
- Vibrancy control manipulates the spectral composition of white light, creating flexibility in how colors are perceived in art and furnishings—without changing the overall color temperature or intensity
- Color Lock technology continuously monitors light output and automatically adjusts to maintain consistent color over the downlight’s lifetime
- Four distinct beam options—10° narrow spot, 25° flood, 40° wide flood, 60° very wide flood—offer solutions for a variety of lighting needs
- Screw-in lamp compatible with standard E26 and GU24 base fixtures
- S38 lamps have a rated lumen-maintenance life of 50,000 hours to L70 with continuous Color Lock correction
4-channel natural light / 1,400K–10,000K / 90+ CRI with Vibrancy
Native wireless control with Lutron Clear Connect Type X

- HomeWorks
- Athena
- myRoom XC
Specifications & Documents
Performance Specifications
Light Engine
4-channel natural white light
CCT Range
1,400K–10,000K
Saturated Colors
16.7 million fully saturated and pastel colors
Color Rendering
CRI 90+, R9 >90
Vibrancy
Rated Life
50,000 hours to L70 @ 25°C TA
Dimming Range
0.1%–100%
Delivered Lumens
1100 lm
Beam Angles
15° Spot (SP)
25° Flood (FL)
40° Wide Flood (WFL)
60° Very Wide Flood (VFL)
Equivalent Traditional Lamp
75 W/ 100 W halogen PAR38
Control Specifications
Control Protocol
Wireless RF/CCX (Lutron Clear Connect-Type X)
Dimensions Specifications
Overall Dimensions
E26 Base: 4.95 in (126 mm) height x 4.8 in (122 mm) diameter
GU24 Base: 4.95 in (126 mm) height x 4.8 in (122 mm) diameter
Electrical Specifications
Power Consumption
S38.11: 14.1 W
S38.11 HE: 12.3 W
Voltage
120 V ~ 60 Hz
Current
170 mA Max
Mechanical Specifications
Installation Options
Screw-in lamp for standard fixtures
Type
PAR38 Lamp
Base Type
E26 and GU24
Certifications Specifications
Environmental Rating
UL Damp Location, IP20
Ambient Temperature: 32 to 122°F (0 to 50°C)
Extended Ambient Temperature: -13 to 32°F (-25 to 0°C)
Humidity: 0-95%, Non-condensing
Outdoor use available for residential enclosed/covered patio applications only
Regulatory Approvals
UL, cUL, RoHS, FCC Class B
Warranty
5 year fixture, LED, and dimming warranty