Control & Automation

Lutron Mob Scene at ISE 2019: Europeans Finally Get their RadioRA

European smart-home dealers get their first RadioRA products -- RA2 Select -- some 20 years after Lutron launched the iconic wireless lighting-control brand in the U.S.

Lutron Mob Scene at ISE 2019: Europeans Finally Get their RadioRA
Rah Rah RA! European smart-home dealers get their Lutron Radio RA2 Select at ISE 2019.

Julie Jacobson · February 9, 2019

Home-technology integrators in Europe rejoiced last week when Lutron introduced the RadioRA brand of wireless lighting controls to the region for the very first time. At ISE 2019, the smart-home giant showcased the EMEA version of Radio RA2 Select, a kinder, gentler version of Lutron’s flagship Radio RA2 model.

Lutron pioneered wireless lighting control in 1997 when it introduced RadioRA, which would become a wildly successful smart-lighting brand for the mainstream residential market … in North America.

Alas, the Europeans would have to wait. Even while thriving on Lutron’s most advanced line, HomeWorks, they salivated over the prospects of the more accessible RadioRA family.

Now they have it. Lutron chose to launch the “Select” version of Radio RA2 rather than the original, fuller-featured version, in order to reach a broader audience of low-voltage integrators and electrical contractors, a Lutron rep said at ISE.

Radio RA2 Select

Launched in the U.S. at CEDIA Expo 2017, RA2 Select is simpler to install than the original RA2, with an app-based tool for enrolling and configuring Lutron’s own smart lights and shades.

The system revolves around a small hub, the RA2 Select Main Repeater, which communicates locally with Lutron switches, dimmers, shades, sensors and Pico keypads via the company’s proprietary 868-MHz ClearConnect RF technology.

Up to four Lutron wireless repeaters can be added to the ecosystem to extend the RF reach. In all, one system can support up to 100 of these ClearConnect devices, including repeaters (vs. 50 for Lutron Caseta and 200 for RadioRA 2).

RA2 Select also integrates cloud-to-cloud with a few popular smart-home devices from third-party providers including Nest and Sonos. The system can be controlled by voice through Amazon Alexa, Apple HomeKit (Siri) and Google Assistant.

In addition, RA2 Select integrates with several of the most popular home-control systems in the custom installation channel, including Control4, Crestron, Elan, RTI, ProControl, Savant and URC.

Europe vs. U.S. Models

The programming and performance of RA2 Select is similar for both the U.S. and European models.

The difference is in the physical installation. The U.S. system uses all-in-one RF-controllable wallbox dimmers and switches that replace existing (dumb) dimmers/switches.

VIDEO: Installing Lutron Radio RA2 Select in-line dimmers/switches

In the European version, the RF-controllable dimming and switching modules are moved out of the wallbox and into the ceiling (probably), in line with the lighting loads. They are controlled with separate RF Pico remotes/keypads.

RA2 dimmers/switches require a neutral wire – commonly run to switch locations in U.S. homes, but not necessarily in other parts of the world.

The industrial design of the European faceplates differ from U.S. models as well.

RA2 Select - Features and Specifications

International Main Repeater (RRK-SEL-REP2-BL)

RA2 Select main repeater allows for setup, control, and monitoring of select lighting devices and Lutron wireless shades from a smartphone or tablet using the Lutron App.

Features & Specifications

  • Supports up to 100 wireless devices (including dimmers, switches, Pico wireless controls, and wireless shades). The main repeater and additional wireless repeaters each count as one device.
  • Programmed via the Lutron App (available for iOS and Android).
  • Scene control via the Lutron App and Pico scene keypads.
  • Timeclock scheduling of daily events via the Lutron App.
  • Connects to the Wi-Fi router via an Ethernet connection.
  • Local device operation will continue to function if internet connection is lost or if the main repeater is powered down or not communicating.
  • System access from anywhere in the world using the Lutron App.
  • Control outside the app via widgets (iOS and Android).
  • Supports Geofencing from the Lutron App.
  • Control from Apple Watch.
  • Supports integration with other smart home brands including Amazon Alexa, Google Assistant, Nest, Sonos, and more.
  • Up to 4 wireless repeaters (LK-REPPRO-BL) can be added to extend the range for larger systems.
  • Automatically programs Pico wireless controls for typical applications and activities or program additional custom scenes using the Lutron App.
  • Integration with select professional A / V and security systems.
Lutron Radio RA2 Select at ISE 2019 - First 'RA' for Euope

Compatible Devices

  • RA2 Select In-line dimmer
  • RA2 Select In-line switch
  • Pico wireless controls
  • Lutron wireless repeaters (up to 4 LK-REPPRO-BL)
  • Sivoia QS Triathalon and Sivoia QS Wireless roller shades, drapery track, Kirbé, and Roman shade systems.

Communications & Connections

  • All devices must be located within 9 m of a repeater
  • All repeaters must be located within 18 m of another repeater
  • Internet connection required for initial setup, to maintain system date/time and receive periodic firmware updates
  • Ethernet: 0.92 m cable included (for internet and Lutron App connection)
  • USB (power only)


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  About the Author

Julie Jacobson, recipient of the 2014 CEA TechHome Leadership Award, is co-founder of EH Publishing, producer of CE Pro, Electronic House, Commercial Integrator, Security Sales and other leading technology publications. She currently spends most of her time writing for CE Pro in the areas of home automation, security, networked A/V and the business of home systems integration. Julie majored in Economics at the University of Michigan, spent a year abroad at Cambridge University, earned an MBA from the University of Texas at Austin, and has never taken a journalism class in her life. She's a washed-up Ultimate Frisbee player currently residing in Carlsbad, Calif. Email Julie at jjacobson@ehpub.com

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  Article Topics


Control & Automation · Automation · Lighting · Motorized Shades · Events · ISE · Europe · News · Products · ISE 2019 · RadioRA 2 · All Topics
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