JUNG KNX LED universal dimming actuator, 4-gang, rail mounting device, 4 rail units | KNX via Matter | BUILD10
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JUNG KNX LED universal dimming actuator, 4-gang, rail mounting device, 4 rail units 39004 1S R

JUNG

JUNG KNX LED universal dimming actuator, 4-gang, rail mounting device, 4 rail units

KNX LED universal dimming actuator, 4-gang, rail mounting device, 4 rail units. KNX lighting controller for dimming compatible connected lamps or control gear.

Product type
Lighting & switching
Model / SKU
39004 1S R
KNX connection
TP wired bus

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

  • Switched load / outlet
  • Lighting brightness and on/off

Selected native KNX functions can be mapped using a suitable Matter bridge. Additional probes, contacts, couplers, controlled equipment or temperature controllers may be required as described below. Exact device–bridge combinations have not 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

Switched load / outlet · Lighting brightness and on/off

Proposed from documented KNX and bridge function types. Verify the exact ETS application, required command/status objects, KNX Secure access and receiving-app support. This model–bridge pair has not been physically tested.

View mapping source ↗

1Home Server KNX Pro

Function mapping, not a tested device–bridge pair

Switched load / outlet · Lighting brightness and on/off

Proposed from documented KNX and bridge function types. Verify the exact ETS application, required command/status objects, KNX Secure access and receiving-app support. This model–bridge pair has not been physically tested.

View mapping source ↗

Atios KNX Bridge

Function mapping, not a tested device–bridge pair

Switched load / outlet · Lighting brightness and on/off

Proposed from documented KNX and bridge function types. Verify the exact ETS application, required command/status objects, KNX Secure access and receiving-app support. This model–bridge pair has not been physically tested.

View mapping source ↗

Technical specifications

Switching · Dimming

KNX connection
TP wired bus
Rated voltage
AC 110 ... 230 V ~
Mains frequency
50/60 Hz
Power loss
max. 7 W
Stand-by power
approx. 0.16 W per channel
Ambient temperature
−5 ... +45 °C
Storage/transport temperature
−25 ... +70 °C
Incandescent lamps
20 ... 225 W
Inductive transformers
20 ... 210 VA
Inductive transformers with LV LED
20 ... 100 VA
Electronic transformers
20 ... 210 W
Electronic transformers with LV LED
20 ... 100 W
Dimmable HV LED lamps
typical 1 ... 35 W
Dimmable compact fluorescent lamps
typical 20 ... 80 W
Capacitive-inductive
not permitted
Mounting width
72 mm (4 rail units)
KNX medium
TP 256
Commissioning mode
S-mode
Specifications with sources (17)

Rated voltage

AC 110 ... 230 V ~

View specification source ↗

Mains frequency

50/60 Hz

View specification source ↗

Power loss

max. 7 W

View specification source ↗

Stand-by power

approx. 0.16 W per channel

View specification source ↗

Ambient temperature

−5 ... +45 °C

View specification source ↗

Storage/transport temperature

−25 ... +70 °C

View specification source ↗

Incandescent lamps

20 ... 225 W

View specification source ↗

Inductive transformers

20 ... 210 VA

View specification source ↗

Inductive transformers with LV LED

20 ... 100 VA

View specification source ↗

Electronic transformers

20 ... 210 W

View specification source ↗

Electronic transformers with LV LED

20 ... 100 W

View specification source ↗

Dimmable HV LED lamps

typical 1 ... 35 W

View specification source ↗

Dimmable compact fluorescent lamps

typical 20 ... 80 W

View specification source ↗

Capacitive-inductive

not permitted

View specification source ↗

Mounting width

72 mm (4 rail units)

View specification source ↗

KNX medium

TP 256

View specification source ↗

Commissioning mode

S-mode

View specification source ↗

Sources & limitations

Product research reviewed: Nov 5, 2026. This is separate from price, stock and installation-test dates.

Model, firmware & function limitations (3)
  • Requires a commissioned KNX installation, mapped group addresses and a KNX-to-Matter bridge that supports the selected function. Exact device/bridge pair not physically tested.
  • Lamp type, minimum load and per-channel derating must be checked in the installation manual.
  • Exact model and KNX function identified in manufacturer documentation. Matter applicability is function-level and requires bridge configuration; not a tested pair.
Manufacturer documentation & sources (1)
  • JUNG — KNX LED universal dimming actuator, 4-gang, rail mounting device, 4 rail units ↗Reviewed Nov 5, 2026
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