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Ketra

The biggest leap forward in lighting since the Edison carbon-filament lightbulb. With over 70 patents, Ketra is the world’s most innovative, wireless light source.

Precise Natural Color

Replicate natural light more faithfully than you can with any other LED light source.

Instead of simply using white LEDs, Ketra mixes color to create white light that feels more natural. Each light source offers an exceptionally broad range of natural white light—from 1,400K-10,000K—along with a high-def palette of 16.7 million colors.

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Rich Color Rendering

Bring art and objects to life and unlock brilliant colors with museum-quality light.

Ketra Vibrancy. A first-of-its-kind “third dial” of control that adjusts the recipe of white light—remixing the balance of red, green, and blue—to alter the way light renders color, without changing the color of the light itself.

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Long Lasting Performance

Color quality you can count on—for the lifetime of the light source.

With other LEDs, colors can degrade over time. Ketra's Color Lock technology monitors light output 360 times per second, actively preserving consistent color for the life of the lighting system.

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Native Wireless Control

Break free from control wires and their design constraints.

Each Ketra light source features its own individually addressable, wireless control—eliminating the need for control wire and closet panels, and allowing the lighting to be rezoned and redesigned without rewiring.

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Explore Ketra

This suite of intelligent lamps and luminaires delivers the highest quality of light across every layer of light.

Downlights

Recessed luminaires designed to meet varied architectural conditions.

 
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D2 New Construction Downlight

A two-inch aperture available in fixed, adjustable, and wall wash configurations—installs in open ceilings.

 
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D3 New Construction Downlight

A three-inch aperture available in fixed, adjustable, and wall wash configurations—installs in open ceilings.

 
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D4R Remodeler Downlight

S30 lamp with a four-inch aperture in a fixed downlight configuration.

 
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S30 Downlight Trim

Four-inch cast-aluminum downlight trim for S30 long neck lamps.

Lamps & Track Lighting

Ketra lamps in standard E26 or GU24 base sizes & track luminaires with wireless control.

 
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A20 Lamps

Ketra’s natural white light in a versatile A-series lamp.

 
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S30 Lamps

Ketra’s natural white light in a PAR30 lamp for track and five-inch recessed fixtures.

 
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S38 Lamps

Ketra’s natural white light in a PAR38 lamp for track and six-inch recessed fixtures.

 
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S30 Track Luminaire

A modular track luminaire for Ketra’s S30 lamps.

 
The Bloch Galleries at The Nelson-Atkins Museum of Art, Kansas City, Missouri. Image courtesy Nelson-Atkins Media Services / Photo: Joshua Ferdinand.

S38 Track Luminaire

A modular track luminaire for Ketra’s S38 lamps.

Linear Lighting

Ketra quality light for a range of applications—from under cabinet to indirect coves.

 
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G2 Linear

Ketra linear luminaire for cove and other high-output applications.

 
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LS0 Lightbar Slim

Ketra accent luminaire for low-profile applications such as under cabinet.

Reach Out to a Rep

Lutron representatives provide experienced guidance on system design, product selection, and installation.

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New & Noteworthy

Ketra D2 New Construction downlight. Natural white light in a fixed, adjustable & wall wash luminaire.

Choose the D2 New Construction downlight best suited to a project's needs—installed to the frame during rough-in.

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Coming soon: Ketra D2 Remodeler downlight. The world's most innovative light source now installs through a finished ceiling.

Available in a fixed, adjustable, and wall wash downlight. Put beautiful light precisely where it's needed.

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Ketra Natural Light Show. Light shifts with the sun throughout the day, dissolving the boundaries between indoors & out.

Ketra lighting emulates sunlight, gradually shifting in color and brightness so people feel more connected to the outdoors and the natural rhythms of the day.

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The lighting restoration of Taliesin West. Ketra modernizes Frank Lloyd Wright’s winter retreat.

The near-infinite light values and wireless nature of Ketra made it the ideal solution for restoring the warm mood and candlelit aesthetic of the historic winter camp.

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Native by Design. Lutron intelligence meets world-class design partners.

A collaboration between Lutron's smart technology and world-class designers, delivering lighting experiences beyond what either could create independently.

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System Compatibility

The right light requires the right controls. Ketra is designed and engineered from the beginning to work natively with Lutron’s connected control systems. Together, they deliver precise and seamless control over color and intensity in a way only Lutron can.

 
HomeWorks luxury home integration system in modern dining room with panoramic windows

HomeWorks

For the most uncompromising home integration projects, HomeWorks delivers the ultimate in design freedom, innovative technology, and reliable quality.

 
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Athena

Athena empowers industry professionals with cloud-connected controls and software designed to deliver exceptional experiences and powerful building management.

 
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myRoom XC

A next-gen hospitality solution that delivers enhanced control for new and existing guest rooms. Light, shades, temperature, and control – myRoom XC is the future of integrated guest room design.

Lutron Reliability

For Lutron, our products represent a promise to our customers—a promise of quality, innovation, and constant support. Our dedication to these principles extends beyond the manufacturing floor into the everyday life where our products are designed to operate. Every switch. Every dimmer. Every circuit. Every shade.

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Made & Tested In-House

Every Ketra component is engineered and manufactured in-house, from the patented optical package to the custom-integrated circuits. Once assembled, every Ketra lamp and luminaire is meticulously tested before it leaves the facility.

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24/7 Support

Have a question? Whether you need a quick refresher or in-depth guidance, our support site provides everything from interactive tools to specialized technical support, ensuring you have the resources you need.

Complete the Experience

Keypads & Remotes
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Designed to Delight. Each control is designed & crafted from the outside in to ensure the device is beautiful, intuitive & a pleasure to use.

Control Systems
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Engineered to Empower. Intelligent lighting, window treatments & controls—together they combine for experiences far more powerful than the sum of their parts.

Window Treatments
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Made to Move. With quiet precision, Lutron window treatments deliver comfortable daylight control that sets each moment in motion.

Explore Other Intelligent Lighting Brands

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Rania

Designed to feel more true-to-life than tunable white and warm dim.

Ready for a Quote?

We’re here to help. Consult with a Lutron expert today and learn how Lutron can help you craft elevated experiences with light on your next project.

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