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iLux® Dimmer Expansion Module


Works with Crestron iLux®, CLW[2], DIN, and CLX series dimmersEmulates the characteristics of the dimmer that is controlling itVisit 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

  • Works with Crestron iLux®, CLW[2], DIN, and CLX series dimmers
  • Emulates the characteristics of the dimmer that is controlling it
  • Up to 5 Expansion Modules can be connected to a single iLux dimmer channel
  • Supports 120, 230, and 277 Volt LED[1], incandescent, NCC, MLV, and 2-wire dimmable fluorescent loads
  • Includes threshold adjustment for setting minimum fluorescent dimming level
  • Built-in air gap relay at the output
  • Mounts to a wall or above a suspended ceiling
  • CEC Title 24 2013 Compliant

Product Overview

The CLS-EXP-DIM enables the expansion of Crestron iLux® Integrated Lighting System (CLS-C6 series) and other Crestron® lighting dimmers to support 120, 230, or 277 Volt loads up to 16 Amps. It allows any output channel of the iLux system to dim a fully loaded circuit of LED[1], incandescent, magnetic low-voltage, neon/cold cathode, or 2-wire dimmable fluorescent lighting loads. It is also compatible with CLW-Series[2] in-wall dimmers and select CLX-Series lighting control modules[3].

The CLS-EXP-DIM is designed for mounting to a vertical surface[4], and can be installed in an environmental air-handling space above a suspended ceiling. Conduit knockouts are provided on the bottom and lower sides. All connections are made via screw terminals behind the front cover.

  1. For a list of compatible ballasts, visit (PDF)
  2. CLW-Series device must have a dedicated neutral.
  3. Compatible only with forward-phase dimming modules.
  4. Must be oriented upright, mounted to a vertical surface, with 6 inches (153 mm) minimum spacing above and below for proper ventilation and heat dissipation.
  5. Captive screw terminals accept up to two 22 to 12 AWG (0.34 to 4.0 mm2) wires per terminal.

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:

Crestron, the Crestron logo, and iLux are either trademarks or registered trademarks of Crestron Electronics, Inc. in the United States and/or other countries. Mark 10 Powerline is either a trademark or registered trademark of Koninklijke Philips Electronics N.V 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. ©2014 Crestron Electronics, Inc.

Product Specs

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