Ketra S38 Track Luminaire

Unmatched 4-channel Natural Light in a complete track fixture housing for S38 lamps with precision aiming control for retrofit and new construction projects.


Light Engine: 4-channel full-spectrum natural light + 16.7 million saturated colors
CCT Range: 1,400K-10,000K
Color Rendering: 90+ CRI from 2,700K-5,000K with tunable Vibrancy control
Useful Life: 50,000 hours at L70 with continuous Color Lock auto-adjusting
Field Adjustability: 90-degree tilt aiming with 365-degree rotation
Native Control: Made to work with HomeWorks, Athena, and myRoom XC systems

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Product Details

Overview
Overview

The Ketra S38 Track Luminaire provides a complete fixture housing solution for Ketra's S38 lamps, enabling precise aiming control and professional mounting options for retrofit and new construction projects. Constant torque hinge provides 90-degree tilt aiming at any increment without mechanical lock, while 365-degree rotation eliminates aiming shadows. The fixture is compatible with industry-standard H-Type track systems and includes a conduit mount option for permanent installations. With over 70 patents, Ketra's 4-channel light engine produces unprecedented Natural Light, featuring Vibrancy control that allows customization of how light renders color without changing the color temperature itself, and Color Lock technology that ensures consistent performance throughout the fixture's lifetime. Control the Ketra S38 Track Luminaire with the location-aware HomeWorks, Athena, and myRoom XC control systems to dissolve the boundary between the interior and exterior with sun-tracking precision that encompasses everything from the warmth of candlelight to the cool, pure brilliance of arctic skies.

Highlights
  • 4-channel engine produces full-spectrum natural white light and a range of 16.7 million colors, including pastels and saturated hues
  • Delivers white light across an unprecedented color temperature range of 1,400K-10,000K, from warm golden-hued candlelight to the bright, cool light of an arctic sky
  • Vibrancy control allows users to fine-tune the spectral composition of white light to manipulate how colors are rendered and perceived without changing color temperature or intensity
  • Color Lock technology continuously monitors light output and automatically adjusts to maintain consistent color over the luminaire's lifetime
  • Constant torque hinge provides 90-degree tilt aiming at any increment without mechanical lock, with 365-degree rotation
  • Compatible with H-Type track systems and 1/2-inch NPT canopy mount for versatile installation options
  • Available with optional accessories including snoots and baffles for precise light control and cutoff angles
Light Engine

4-channel natural light / 1,400K–10,000K / 90+ CRI with Vibrancy

Wireless Control

Clear Connect–Type X wireless communication

Dimensions
Ketra S38 Track Luminaire - Dimensions
System Compatibility
  • HomeWorks
  • Athena
  • myRoom XC
Specifications & Documents
Performance Specifications

Light Engine

4-channel full-spectrum natural white light

CCT Range

1,400K - 10,000K

Saturated Colors

16.7 million fully satured colors

Color Rendering

CRI 90+

R9 >90

Vibrancy

Rated Life

50,000 hours at L70 with continuous Color Lock auto-adjusting

Dimming Range

.1-100%

Delivered Lumens

1100 lm

Beam Angles

15° Spot (SP)

25° Flood (FL)

40° Wide Flood (WFL)

60° Very Wide Flood (VFL)

Control Specifications

Control Protocol

Wireless RF/CCX (Lutron Clear Connect-Type X)

Dimensions Specifications

Aperture Size

4 in

H x L x W

Track Height 6.0 in (152.0 mm)

Track Width 4.8 in (122.0 mm)

Snoot length varies

Overall Dimensions

Track Height 6.0 in (152.0 mm)

Track Width 4.8 in (122.0 mm)

Snoot length varies

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

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

UL Damp Location, IP20, not for use in outdoor applications

Certifications

UL, cUL, RoHS, FCC Class B

Warranty

5 year fixture, LED, and dimming warranty

General Documents
Ketra S38 Track Luminaire - TA-S38

Ketra S38 Track Luminaire

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