Theben DM 4 T KNX Universal Dimmer | KNX via Matter | BUILD10
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Theben DM 4 T KNX Universal Dimmer 4940275

Theben

Theben DM 4 T KNX Universal Dimmer

Four universal dimming channels with automatic load detection and local manual control.

Product type
Lighting & switching
Model / SKU
4940275
KNX connection
KNX TP

Connecting this device to Matter

This product uses KNX. A compatible bridge can expose selected functions to Matter through its IP connection. The KNX device itself does not become a Matter over Thread device.

Functions to map through a bridge

  • Lighting control

Map switching, brightness and status for each configured lighting channel. The connected lamp and electrical load must match the manufacturer’s load table. Local dimming functions are not automatically bridged. No specific device–bridge pair has been tested.

Commission the KNX installation in ETS, then configure the bridge with the required group addresses, data types and status feedback. Check the exact bridge firmware and your Matter platform. Native KNX functions, electrical ratings and Matter functions are separate specifications.

Function mapping is not a tested device–bridge pair or individual Matter certification for this KNX model. Protection functions and essential local automation should remain in the KNX installation.

Bridge options by function

These options match the product’s KNX functions to capabilities documented for a bridge. Open the bridge for its requirements and limitations.

1Home Voice & Visu

Function mapping, not a tested device–bridge pair

Lighting control

The bridge documents these function types. Commission the required KNX command and feedback objects in ETS, then map them in the bridge. Exact model pairing has not been tested; receiving-app support must also be checked.

View mapping source ↗

1Home Server KNX Pro

Function mapping, not a tested device–bridge pair

Lighting control

The bridge documents these function types. Commission the required KNX command and feedback objects in ETS, then map them in the bridge. Exact model pairing has not been tested; receiving-app support must also be checked.

View mapping source ↗

Atios KNX Bridge

Function mapping, not a tested device–bridge pair

Lighting control

The bridge documents these function types. Commission the required KNX command and feedback objects in ETS, then map them in the bridge. Exact model pairing has not been tested; receiving-app support must also be checked.

View mapping source ↗

xxter Pairot

Function mapping, not a tested device–bridge pair

Lighting control

The bridge documents these function types. Commission the required KNX command and feedback objects in ETS, then map them in the bridge. Exact model pairing has not been tested; receiving-app support must also be checked.

View mapping source ↗

Technical specifications

Lighting · Dimming

Product designation
DM 4 T KNX
Channels
4
Supply
230 V AC, 50 Hz
Load rating
400 W/VA per channel; up to 800 W/VA with parallel operation
Load technologies
Resistive, inductive and capacitive; check LED compatibility
Minimum load
5 W
Mounting
DIN rail, 8 modules
Commercial status
Stock, destination-specific delivery and current USD price have not been verified.
KNX bus current
≤4 mA
Ambient temperature
-5°C ... 45°C
Type of protection
IP 20
Protection class
II according to EN 60 669
Specifications with sources (4)

KNX bus current

≤4 mA

View specification source ↗

Ambient temperature

-5°C ... 45°C

View specification source ↗

Type of protection

IP 20

View specification source ↗

Protection class

II according to EN 60 669

View specification source ↗

Sources & limitations

Product research reviewed: Nov 4, 2026. This is separate from price, stock and installation-test dates.

Model, firmware & function limitations (1)
  • Map switching, brightness and status for each configured lighting channel. The connected lamp and electrical load must match the manufacturer’s load table. Local dimming functions are not automatically bridged. No specific device–bridge pair has been tested.
Manufacturer documentation & sources (2)
  • Theben DM 4 T KNX specifications ↗Reviewed Nov 4, 2026
  • Theben DM 4 T KNX datasheet ↗Reviewed Nov 4, 2026
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