CLX-2DIMU8

8 Channel Universal Dimmer Module, 2 Feeds, 120V

> Eight-channel universal dimmer module for residential lighting
applications
> Installs in a Crestron® CAEN or CAEN-MLO enclosure
> Supports dimmable LED, incandescent, electronic low-voltage,
magnetic low-voltage, and 2-wire fluorescent lighting loads
> Single or dual feeds — two four-channel dimmers in one module
> Rated 4 Amps per channel at 120 Volts AC
> Auto load type detection
> Forward and reverse phase modes
> Customizable dimming curves via software
> Patented Constant Power dimming technology
> Zero-cross filter technology
> Extreme stability under noisy power line conditions
> Dramatically reduced lamp flicker
> Over-current, over-voltage, and over-temperature protection
> Built-in air gap relay per channel
> Convection cooled for silent operation
> Closure-activated override mode
Shown with CLT-2DIMU8
> UL® 924 and CSA® C22.2 No. 141-15 listed for emergency terminal block (sold separately)
lighting control
> Crestron system integration via Cresnet®
> Easy termination using a CLT-2DIMU8 terminal block
(sold separately) constantly and consistently delivered to the load. Voltage sag and peak
> CEC Title 24 2013 compliant
overshoot no longer cause changes in load output, ensuring reliable
lighting performance and a comfortable working environment.
The Crestron® CLX-2DIMU8 is an eight-channel, two-feed universal To further reduce lamp flicker, the CLX-2DIMU8 features proprietary
dimmer module designed for 120V lighting system applications. It installs zero-cross filter technology which compensates for line voltage and
in a CAEN or CAEN-MLO enclosure and provides control of a wide range frequency fluctuations for superior immunity to noise on the power line.
of dimmable lighting load types including electronic and magnetic low- Built-in protection against over-current, over-voltage, and over-temperature
voltage, LED, incandescent, and 2-wire fluorescent. It may also be used conditions helps to prevent failure due to temporary wiring faults and other
to switch non-dimmable lighting loads. Dual feed capability provides two abnormalities. An air-gap relay on each channel output allows individual
independent four-channel dimmers in one module space. Each output circuits to be serviced without disabling the entire module. Low-maintenance
channel is rated for 480 Watts (4 Amps), with a total module rating of convection cooling with over-sized heatsinks affords silent operation with
3840 Watts (32 Amps) when fed from two separate 20 Amp feeds. no mechanical components to wear out.
Auto-Detecting Universal Dimming Centralized Lighting Cabinet Installation
Under normal operation, the CLX-2DIMU8 detects the connected load Crestron CLX series lighting control modules are designed to be installed
type on each channel and selects the appropriate operating mode for in a CAEN or CAEN-MLO wall mount enclosure. Available in a variety of
each channel automatically. Reverse phase (trailing edge) mode supports sizes, CAEN and CAEN-MLO enclosures provide a scalable, high-density
incandescent and electronic low-voltage load types, while forward phase centralized lighting control solution for any-sized residence. A selection of
(leading edge) mode handles magnetic low-voltage, neon, and other CLX module types is offered to accommodate a wide range of load types
inductive load types. The operating mode may also be selected manually and system configurations.
via software or programmatically via the control system.
Termination of high-voltage wiring to the CLX-2DIMU8 module is facilitated
Ultra-Reliable Performance using a CLT-2DIMU8 terminal block, which is sold separately to enable
The CLX-2DIMU8 is a technologically advanced universal dimmer that termination of the wiring prior to installing the module. This terminal block
delivers unparalleled reliability and optimal dimming performance, even mounts beside the module within the enclosure. Low-voltage control
in noisy electrical environments. Patented “Constant Power” technology signals are bussed between each of the modules within an enclosure via a
dramatically reduces lamp flicker and maximizes stability under noisy simple 5-wire link (interconnect jumpers included), which terminates to a
power conditions. This cutting-edge technology quickly adjusts the single terminal block (model CAEN-BLOCK, sold separately) at the bottom
dimmer’s on-time response to changes in input voltage so that power is of the enclosure.

crestron.com | 800.237.2041
CLX-2DIMU8 8 Channel Universal Dimmer Module, 2 Feeds, 120V
Cresnet® Communications Controls & Indicators
The CLX-2DIMU8 interfaces with a Crestron control system (a.k.a., control
processor or automation processor) via Cresnet. Cresnet is a simple 4-wire PWR: (1) Green LED, indicates line power is applied to the LINE 1 terminal
network bus that provides the communications backbone for a system of NET: (1) Yellow LED, indicates Cresnet communication with the control
Crestron lighting dimmers, switches, keypads, shades, thermostats, and system
other devices. MODE (not labeled): (1) Pushbutton, selects the dimming mode when in
Local mode
Emergency Lighting Control SETUP: (1) Pushbutton, used to enter Local mode and test each channel
The CLX-2DIMU8 is UL® 924 and CSA® C22.2 No. 141-15 listed for use 1 – 8: (8) Tri-color LEDs, each indicates the status, dimming mode, or error
in controlling emergency lighting loads. In the event of a power failure, a condition for the corresponding channel
contact closure from a power loss sensor (Crestron GLS-PLS-120/277,
sold separately) activates the override mode in the CLX-2DIMU8 to turn on Environmental
each designated lighting load if it is off (assuming line power is supplied
Temperature: 32° to 104° F (0° to 40° C)
by a backup power source). The override dimming level can be preset to
any value when commissioning the lighting system, so even if the load is Humidity: 10% to 90% RH (non-condensing)
already on prior to a power failure, it will change to the preset level when Heat Dissipation: 12 BTU/hr + (3.41 BTU/hr x Load Current in Amps);
override mode is activated. 121 BTU/hr at maximum load

Enclosure
SPECIFICATIONS Gray metal with black heat sink, surface mount module with (2) integral
Load Control mounting flanges;
Occupies 1 module space in a CAEN or CAEN-MLO enclosure
Dimmer Channels: 8
Dimensions
Dimmable Load Types: LED, incandescent, electronic low voltage,
magnetic low voltage [1], 2-wire fluorescent Height: 7.63 in (194 mm)
Switched Load Types: Non-dimmable lighting [1] Width: 6.92 in (176 mm)
Per Channel Load Rating: 4 Amps (480 Watts) Depth: 3.43 in (87 mm)
Per Group Load Rating: Group 1 (Channels 1-4): 16 Amps (1920 Watts);
Group 2 (Channels 5-8): 16 Amps (1920 Watts) Weight
Module Total Load Rating: 32 Amps (3840 Watts) [2]
Minimum Load: 0 Watts 3.5 lbs (1.6 kg)
Line/Load Voltage: 120 Volts AC, 60 Hz; requires one or two single-phase Compliance
feeds (may be same or different phases)
SCCR: 30 kA UL Listed for US & Canada, IC, UL 508, UL 924, CSA C22.2 No. 14, CSA
Connections
C22.2 No. 141-15, CEC Title 24 2013, FCC Part 15 Class A digital device

Via Terminal Block (sold separately):

MODELS & ACCESSORIES
LINE 1 – 2: (2) Screw terminals, black, line power feed inputs
(per group) Available Models
DIM 1 – 8: (8) Screw terminals, red, load outputs (per channel)
CLX-2DIMU8: 8 Channel Universal Dimmer Module, 2 Feeds, 120V
N IN 1 – 2: (2) Screw terminals, white, line power feed neutrals
(per group) Available Accessories
N OUT 1 – 8: (8) Screw terminals, white, load neutrals (per channel)
CLT-2DIMU8: Terminal Block for CLX-2DIMU8
Note: Each terminal accepts one 14-10 AWG wire.
CAEN Series: Automation Enclosures
Module Interconnect: (2) 5-pin 0.156 inch headers; CAEN-MLO Series: Automation Enclosures with Integrated Breaker Panel
Cresnet/Override interconnect ports;
Each connects to the adjacent module using the interconnect jumper
provided; connects to a CAEN-BLOCK (sold separately) when installed in
the lowest position within the enclosure

crestron.com | 800.237.2041
CLX-2DIMU8 8 Channel Universal Dimmer Module, 2 Feeds, 120V
Notes: Certain Crestron products contain open source software. For specific information, visit
https://www.crestron.com/opensource.
1. Do not use to dim or switch large magnetic transformers greater than 100 VA. Do not connect
more than eight magnetic transformers per channel regardless of lamp wattage. Crestron,the Crestron logo, and Cresnet are either trademarks or registered trademarks of
2. When connecting to a third-party arc fault breaker, the total load should not exceed 1,000 Crestron Electronics, Inc. in the United States and/or other countries. CSA is either a trademark
Watts per feed. or registered trademark of Canadian Standards Association in the United States and/or other
countries. UL is either a trademark or registered trademark of UL LLC in the United States and/or
This product may be purchased from an authorized Crestron dealer. To find a dealer, please contact other countries. Other trademarks, registered trademarks, and trade names may be used in this
the Crestron sales representative for your area. A list of sales representatives is available online at document to refer to either the entities claiming the marks and names or their products. Crestron
https://www.crestron.com/How-To-Buy/Find-a-Representative or by calling 855-263-8754. 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.
The specific patents that cover Crestron products are listed online at ©2021 Crestron Electronics, Inc.
https://www.crestron.com/legal/patents.

Crestron Electronics, Inc. 15 Volvo Drive | Rockleigh, NJ 07647 All brand names, product names and trademarks are the property of their respective owners.
©2021 Crestron Electronics, Inc.
Tel: 800.237.2041 / 201.767.3400 | Fax: 201.767.1903
www.crestron.com Specifications subject to change without notice. Revised 06/30/21