On the 20th of May our warehouse will be undertaking a stock take. 

We will not be able to dispatch on this day but are still able to accept orders as normal.

Product Guide

Quick Guide to the Theben FIX Series Dimmers



Within the Theben FIX Series there are four dimmer models:


DM 2 T KNX

2 channels rated at 400W each with an overall width of 4 modules. Channels can be paired together to increase the load to 800W.


DM 4 T KNX

4 channels rated at 400W each with an overall width of 8 modules. Channels can be paired together to increase the load to 800W.


DM 4-2 T KNX

4 channels rated at 200W each, with an overall width of 4 modules. Channels can be paired together increasing the load to 400W.


DM 8-2 T KNX

8 channels rated at 200W each, with an overall width of 8 modules. Channels can be paired together increasing the load to 400W.


All Theben dimmers now support full loading when using mains LED fittings if the dimmer is set to auto or trailing edge mode.

It is recommended to check the dimming behaviour of LED fitting prior to installation.

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