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Universal Phase In-Wall Dimmer, 230VAC


The CLWI-DIMUEX delivers Crestron® dimming control to any light in new or retrofit 230 Volt applications. It features engravable and field-customizable buttons, wireless infiNET EX® communications, and connectivity for third party remote switches. Visit the Crestron® Lighting Fixture Compatibility page to find out which Crestron lighting devices have been tested and are compatible with third party lighting fixtures.

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Key Features

  • Field-replaceable and engravable buttons
  • Available in anthracite or white finishes
  • infiNET EX® robust communication
  • Configurable for up to six buttons
  • Supports any third party maintained or momentary switch for remote dimming
  • Screw-clamp connectors for easy installation
  • Stylish bargraph LED array provides real-time status feedback

Product Overview

The CLWI-DIMUEX delivers native Crestron® dimming control to any light in new or retrofit 230 Volt applications. Featuring reliable infiNET EX® wireless technology, the CLWI-DIMUEX can be installed in virtually any location because of reliable mesh networking. Universal dimming provides automatic compatibility with both forward and reverse phase loads.

Field-Replaceable and Engravable Buttons
The CLWI-DIMUEX features engravable buttons that can be swapped out in the field. Any change in room décor or functionality is easy to handle long after the dimmer or switch has been installed. Positive snap-on fittings require no tools. Configure the dimmer or switch with a large rocker or any combination of up to two adjacent half-size rockers or triple button pad. Each CLWI-DIMUEX ships with a full assortment of blank buttons as well.

Integrated Keypad
Because the CLWI-DIMUEX is attached to the Crestron network, it can also function as a keypad, sending commands to trigger whole-room lighting scenes or distributed audio functions. Supporting up to six buttons, the in-wall dimmer or switch serves as a great control interface in any Crestron system. Its single-box form factor maximizes control capability in a small space while increasing the opportunity for Crestron control in every room. Also available are aesthetically-matched standalone keypads that use Cresnet® or infiNET EX communications.

infiNET EX
Ultra-reliable infiNET EX wireless technology provides steadfast two-way RF communications throughout a residential or commercial structure without the need for physical control wiring. Employing a 2.4 GHz mesh network topology, each infiNET EX device functions as an expander, passing command signals through to every other infiNET EX device within range (approximately 150 feet or 46 meters indoors), ensuring that every command reaches its intended destination without disruption.[1]

The CLWI-DIMUEX communicates with a Crestron control system via an infiNET EX Wireless Gateway (model CEN-GWEXER, DIN-AP3MEX, or MC3[2]). Up to 100 infiNET EX devices may coexist on a single wireless network, and every non-battery-powered device that is added to the network effectively increases the range and stability of the entire network by providing multiple redundant signal paths.[1] Built-in Dynamic Frequency Allocation continuously monitors RF conditions, automatically selecting the clearest channel to prevent interference from neighboring networks, cordless phones, and microwaves.

Streamlined Installation
In addition to field replaceable buttons, the CLWI-DIMUEX features screw-clamp connectors for simplified wiring and reduced installation time and material costs. So slim, the CLWI-DIMUEX can be installed in square gang boxes making them the perfect choice for both new and retrofit projects.

Remote Dimmer
The CLWI-DIMUEX supports dimming control of the same lighting load from more than one location—without requiring a special remote dimmer. Connect any standard maintained or momentary switch to the "remote" terminal on the CLWI-DIMUEX for on/off control. Momentary "push-button" switches provide full dim up/down and on/off control. Easily replace existing dimmers and switches wired in a traditional multi-way circuit with dim control from every location, or design new projects to accommodate remote dimmers wherever desired.

  1. Any infiNET EX device that provides expander functionality will effectively extend the range of the wireless network beyond the initial range of the gateway. Battery-powered infiNET EX devices do not provide expander functionality. Wireless networks composed predominantly of battery-powered devices may need additional infiNET EX expanders, such as the CLW-EXPEX or GLA-EXPEX (sold separately), or other non-battery powered infiNET EX devices to ensure proper functionality of the network and battery life for the devices. Refer to the Best Practices for Installation and Setup of Crestron RF Products, Doc. #6689 for complete system design guidelines, or contact Crestron True Blue Support for further assistance.
  2. Item(s) sold separately.
  3. Faceplate not included. Requires an FP-INTENSE or FP-PURE faceplate, available in 18 colors and finishes up to 5-gang in size. Contact Crestron International by phone: + or email:

This product may be purchased from an authorized Crestron dealer. To find a dealer, please contact the Crestron sales representative for your area. A list of sales representatives is available online at or by calling 800-237-2041.

The specific patents that cover Crestron products are listed online at:

Certain Crestron products contain open source software. For specific information, visit

Crestron, the Crestron logo, 3-Series, 3-Series Control System, Cresnet, Crestron Green Light, and infiNET EX are either trademarks or registered trademarks of Crestron Electronics, Inc. in the United States and/or other countries. Other trademarks, registered trademarks, and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Crestron disclaims any proprietary interest in the marks and names of others. Crestron is not responsible for errors in typography or photography. Specifications are subject to change without notice. ©2016 Crestron Electronics, Inc.

Product Specs

Load Ratings
Load Types: Incandescent, Tungsten-Halogen, Magnetic Low Voltage,Dimmable CFL, Electronic Low Voltage, Phase Control Dimmable LED
Maximum Load Per Channel: 450 VA/Watts
Minimum Load Per Channel: 50 Watts

Power Requirements
220-240 Volts AC, 50/60 Hz, line power

Buttons: Configurable for 1 rocker (up/down), or any combination of up to 2 small rockers and/or 2 three-button pad; Maximum layout contains 6 buttons; each press configurable for up to 3 discrete functions via single click, double click and hold;Programmable via control system
Dimming Ramp Rate: 5 seconds (default), software adjustable 0.01 to 10 seconds
Preset Fade Time: 2 seconds (default), software adjustable 0.01 to 120 seconds

LED Indicator
Feedback: Up to (10) White LEDs, depending on button configuration

RF Transceiver: infiNET EX® 2-way RF, 2.4 GHz ISM Channels 11-26(2400 to 2483.5 MHz), default channel 15; IEEE 802.15.4 compliantRange (typical): 150 ft (46 m) indoor, 250 ft (76 m) outdoor to nearest mesh network device(s); Subject to site-specific conditions and individual device capabilities[1]
Gateway: Requires an infiNET EX gateway[2]

Hot: (1) 14-12 AWG (1 x 1.5 – 2.5 mm2), screw terminal, line power input
Remote: (1) 14-12 AWG (1 x 1.5 – 2.5 mm2), screw terminal, remote switch
Load: (1) 14-12 AWG (1 x 1.5 – 2.5 mm2), screw terminal, load output
Ground: (1) screw post, ground

Temperature: 32° to 104°F (0° to 40°C)
Humidity: 10% to 90% RH (non-condensing)

1-gang mountable in a 35 mm deep square or round electrical box in horizontal or vertical positioning; Requires faceplate (not included)[3]

Height: 2.80 in (72 mm)
Width: 2.89 in (74 mm)
Depth: 1.24 in (32 mm) including front face w/ buttons

3.0 oz (85 g)

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