Installers know the problem: Shallow flush-mount boxes, missing neutral wires, or too little space in the control panel make modern light control difficult.
Theben’s 540 Series solves precisely these challenges with ultra-compact flush-mounted devices for both existing and new buildings. The 3/4-way conductor flush-mount solutions for quick installation and without major renovation work in both existing and new buildings are true flush-mount heroes.
Fits behind almost any standard pushbutton
Works even without a neutral wire
No additional wiring required
Almost always fits in the flush-mount box
Silent switching and dimming with a dimmer
Depending on the model, Bluetooth Mesh with optional app control
Scalable for individual rooms up to entire buildings
Quick installation with maximum flexibility
Cable lengths of up to 100 m possible
Fully encapsulated housing for lasting protection
Ideal for retrofitting existing buildings
Which flush-mount hero is right for me?
The color-coding helps the installer select the right product.
Yellow versions: Use when there is no neutral conductor.
Orange versions: Use when a neutral conductor is present.
The following variants are available:
DIMAX 540 APP B
Recessed dimmer with programmability via Bluetooth using an app; setup and operation of basic functions are possible on the individual unit even without the app.
DIMAX 540 plus B
Recessed dimmer for setup and operation without an app.
A 3-wire dimmer is the ideal solution when there is no neutral wire (N) in the switch box. This is particularly common in older buildings or during renovation work. The dimmer obtains the necessary data via the light fitting.
Benefit for the customer:
The dimming function can be easily retrofitted to existing installations without the need for extensive chiselling work or additional wiring.
The following options are available:
ELPA 540 APP BN
Staircase light timer and timer relay programmability via Bluetooth using an app; setup and operation of basic functions are possible on the standalone device even without an app.
OKTO 540 BN
Momentary switch for setup and operation without the app.
DIMAX 540 APP BN
Recessed dimmer with programmability via Bluetooth using the app, Commissioning and operation of basic functions are possible on individual units even without the app.
DIMAX 540 BN
Recessed dimmer for setup and operation without an app.
A 4-wire dimmer is used when there is also a neutral conductor (N) in the switch box. The dimmer can then draw its own power directly from the live wire and neutral conductor. This allows it to operate independently of the connected light fitting.
Advantage for the customer:
Direct power supply via the neutral conductor enables particularly stable and precise dimming behaviour in many applications.
No, but setting and configuration via the app offers significant convenience. For a single device, commissioning and operation can also be performed without the app, using only the connected push button. However, the app is absolutely necessary for networking multiple devices via Bluetooth Mesh e.g., for control over longer distances or for lighting scenarios.
DIMAX 540 plus B is the smallest of the heroes, measuring just 25.5 x 26.4 x 10.4 mm. The other versions are barely larger at 32.7 x 26.6 x 9.6 mm.
The mini flush-mount devices fit easily behind almost any push button or switch. Modern push button or switch functions can thus be implemented directly in the flush-mounted box.
In most cases, no new wiring is required. The mini flush-mount devices fit easily behind almost any push button or switch. Modern push button or switch functions can thus be implemented directly in the flush-mounted box.
Cables to the control cabinet are therefore not required.
Yes, no special switch series is required. The flush-mount devices can be installed behind any switch series. This saves costs because standard components can also be used. However, push button switches must be used with the dimmers for stepless dimming.
All lamps can be used completely independently. Optimized settings for LEDs, incandescent and halogen lamps. Dimming is also possible with problematic lamps. The lamps to be dimmed must be labeled as dimmable at the trailing edge.
Any number of mesh-compatible devices can be integrated into the Bluetooth Mesh network. Communication between devices via Bluetooth enables, for example, dimming of multiple assigned lights or turning off all assigned lights. In the mesh network, each device acts as a node and a scalable repeater. A central control unit is not required; configuration and control are handled via the app.
The mesh network is scalable upward; the more devices are integrated into the network, the more stable it becomes. Being near a device on the Bluetooth network is sufficient to control any device in the home via the app. Mesh technology enables an expandable, stable network without dead zones.
The following variants are available:
DIMAX 540 APP B
Recessed dimmer with programmability via Bluetooth using an app; setup and operation of basic functions are possible on the individual unit even without the app.
DIMAX 540 APP BN
Flush-mounted dimmer with programmability via Bluetooth using an app; Setup and operation of basic functions is possible on the individual device even without the app.
ELPA 540 APP BN
Staircase light timer and timer relay has Bluetooth programmability via an app; setup and operation of basic functions are possible on individual devices even without the app.
All DIMAX variants can be integrated into a mesh network and communicate with each other.
Please note: No other devices from the 540 series can be integrated into an ELPA 540 APP BN Mesh network! The lighting settings in the stairwell are therefore tamper-proof.
No, the switches operate silently without a loud “clicking” sound. Quiet operation in living areas and noise-sensitive zones is easily achievable.
No, the Bluetooth Mesh network is independent of Wi-Fi. All you need is a smartphone with Bluetooth.
Set the minimum brightness slightly higher.
3-way conductor: The solution for older buildings without a neutral wire
4-way conductor: For even more precise dimming and switching with a neutral wire
The compact 3-way conductor devices fit behind any standard switch.
For installations without a neutral wire
Ideal for renovations and retrofits without major construction work.
The compact devices with 3-way conductors fit behind any standard push-button switch.
When no neutral conductor is available
Typical for: older buildings and renovations
Fits behind any standard push button
No chiseling required
No new wiring
For installations with a neutral conductor
When a neutral conductor is present, the 4-way conductors offer maximum precision for switching and dimming.
Precise dimming of all lamps
Particularly quiet operation
Ultra-compact design
Ideal for new construction and retrofits
|
Type |
Function |
Neutral conductor |
App |
Controllable via |
Controllable via |
|
DIMAX 540 plus B |
Dimming |
- |
- | X | - |
|
DIMAX 540 APP B |
Dimming |
- |
X | X | - |
|
DIMAX 540 BN |
Dimming |
X |
- | X | - |
|
DIMAX 540 APP BN |
Dimming |
X |
X | X | - |
|
ELPA 540 APP BN |
Staircase light timer / Timer relay / Countdown timer |
X |
X | X | X |
|
OKTO 540 BN |
Impulse switch |
X |
- | X | - |
Bathroom scene: All assigned lights can be dimmed together with a dimmer.
Astro function: Automatic outdoor lighting or storefront lighting at sunset
Mood scenes for working, dining, or relaxing in dimmed light
