Crestron CM2-DIMUEX Cameo 2 Universal Phase Keypad Dimmer

Crestron part number CM2-DIMUEX-W-S

The Crestron CM2-DIMUEX is a Cameo 2 in-wall universal phase dimmer with a full keypad and infiNET EX wireless communication, for 100-240VAC. It controls LED, incandescent, magnetic low voltage and electronic low voltage loads, and suits new or retrofit projects alongside other Cameo 2 dimmers, switches and keypads.

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Crestron CM2-DIMUEX Cameo 2 In-Wall Universal Phase Dimmer with infiNET EX Wireless Communication, 100-240VAC, Full Keypad

About the Crestron CM2-DIMUEX

Universal dimming covers both reverse phase and forward phase, and auto-load detection selects the appropriate dimming method for the attached load. This gives broad load type compatibility, even if the load type is changed in the future. The dimmer is rated for incandescent, tungsten halogen and magnetic loads up to 600 W/VA at 120-240VAC (500 W/VA at 100VAC) and motors up to 1/8 HP, with over current protection.

Minimum and maximum light levels can be adjusted and the dimming curve set to linear, logarithmic or custom. The full keypad takes two to six buttons in small, medium and large sizes, with the bottom four programmable as side-to-side rockers. Six RGB backlit text regions and six RGB indicator regions give feedback, with white adjustable between 2000K and 8000K and an ambient light sensor for day and night modes.

Communication is over infiNET EX 2-way RF at 2.4 GHz through a CEN-GW1, CENI-GW1, MC4, MC4-R, CEN-GWEXER or CENI-GWEXER gateway, sold separately. CM2-AUX and CM2-KPEX multiway controllers connect over a traveller wire. The dimmer fits a 1- to 4-gang wall box of the type Crestron specifies, with an 89 mm box depth recommended and derating required in multi-gang applications, using CM2-FP-G series or decorator-style faceplates.

Key features

Universal dimming, reverse phase and forward phase, with auto-load detection
For LED, incandescent, magnetic low voltage and electronic low voltage loads
Over current protection
Adjustable minimum and maximum levels; linear, logarithmic or custom dimming curve
Full keypad with 2 to 6 programmable buttons
infiNET EX 2-way wireless communication
Full colour RGB backlight with white adjustable from 2000K to 8000K
Multiway control with CM2-AUX and CM2-KPEX over a traveller wire

CM2-DIMUEX specifications

Dimming	Universal phase (reverse and forward) with auto-load detection
Load rating	Incandescent, tungsten halogen, magnetic: 500 W/VA at 100VAC; 600 W/VA at 120-240VAC
Minimum load	None with neutral; without neutral, 5 W incandescent or 2 LED bulbs
Motor	1/8 HP
Power	100-240 VAC, 50/60 Hz line power
Buttons	2 to 6 programmable buttons (small, medium, large); bottom 4 can be side-to-side rockers; standard engraved model includes 6 small buttons
Feedback	6 RGB backlit text regions and 6 RGB indicator regions
Wireless	infiNET EX 2-way RF, 2.4 GHz, IEEE 802.15.4; gateway CEN-GW1, CENI-GW1, MC4, MC4-R, CEN-GWEXER or CENI-GWEXER (sold separately)
Connections	HOT, REM, LOAD, NEU (optional, recommended) and GND screw terminals, 14-12 AWG
Size and mounting	103 x 45 x 40 mm (H x W x D); 1- to 4-gang wall box, 89 mm depth recommended

Part numbers on this page

Part number	Version	Price	Add
CM2-DIMUEX-W-S	White smooth, standard engraved	On request
CM2-DIMUEX ENGRAVED	Custom engraved	On request

Where the CM2-DIMUEX is used

Dimming LED lighting as well as incandescent and low voltage loads
Retrofits where the load type may change later
Rooms that need a dimmer and scene keypad in one position
Multiway lighting with CM2-AUX or CM2-KPEX controllers

Works with the CM2-DIMUEX

Crestron installed by 1Install

We supply, install and programme Crestron in homes and businesses across Ireland. These photos are from our own installations. See more in our projects, or budget a whole system with our Quote Builders for homes and meeting rooms.

Questions about the Crestron CM2-DIMUEX

What is the Crestron CM2-DIMUEX?

It is a Cameo 2 in-wall universal phase dimmer with a full keypad and infiNET EX wireless communication, for 100-240VAC line power. It controls LED, incandescent, magnetic low voltage and electronic low voltage loads, and its keypad can trigger remote actions when connected to a Crestron control processor.

How does the CM2-DIMUEX handle different load types?

It uses universal dimming, supporting both reverse phase and forward phase, and auto-load detection automatically selects the appropriate dimming method for the attached load. Crestron notes this allows broad load type compatibility even if the load type is changed in the future.

What are the load ratings of the CM2-DIMUEX?

Incandescent, tungsten halogen and magnetic loads are rated at 500 W/VA at 100VAC or 600 W/VA at 120-240VAC, and motors at 1/8 HP. There is no minimum load with a neutral connected; without a neutral the minimum is 5 W incandescent or 2 LED bulbs. Over current protection is built in.

What is the difference between the CM2-DIMUEX-W-S and CM2-DIMUEX ENGRAVED?

Both are the same full keypad universal phase dimmer. The CM2-DIMUEX-W-S is the standard engraved version in White Smooth, with six small buttons. The CM2-DIMUEX ENGRAVED is custom engraved, with its finish specified in the custom engravings file.

Is a neutral wire required?

No. Crestron states that the neutral wire connection is optional but recommended for performance. Connecting it removes the minimum load requirement. All connections, HOT, REM, LOAD, NEU and GND, are screw terminals for 14-12 AWG wire.

How much is the Crestron CM2-DIMUEX?

Crestron asks its dealers to give the price of the CM2-DIMUEX directly rather than publish it online. Add it to your quote list and we will send you a written quote, with delivery, and installation and programming if you need them.

Can 1Install supply, install and programme the CM2-DIMUEX?

Yes. 1Install is an authorised Crestron Elite Partner with offices in Skerries, Co. Dublin and Cork. We can supply the CM2-DIMUEX on its own, or install, set up and programme it as part of your system. Installation visits are €440 for 4 hours or €880 for a full day, plus VAT and travel.

Does the CM2-DIMUEX come with a warranty?

Yes. Everything we supply is new, genuine Crestron with Crestron's standard warranty. If the CM2-DIMUEX develops a fault, contact us and we will handle the claim with Crestron. If we installed it, our workmanship is guaranteed for the lifetime of the system.

Is the CM2-DIMUEX in stock?

We order Crestron for each quote, so availability depends on Crestron's stock at the time. We check it before we quote and put the expected delivery date on your quote, so you know where you stand before you pay.

Can I buy the CM2-DIMUEX without installation?

Yes. We supply Crestron to end users, with or without installation. Like most Crestron devices of this type, it needs setting up or programming before it works in a system, and we can quote for that too.

Crestron CM2-DIMUEX Cameo 2 Universal Phase Dimmer, Full Keypad