A special highlight: the OKTO 540 BN switches all light sources completely silently. This makes it perfect for hotels, bedrooms, patient rooms, theaters, or high-end residential projects where every clicking noise is disruptive.
Thanks to its fully encapsulated electronics, the push-button switch is suitable for damp locations, maintenance-free, and durable. The pre-assembled connection cables enable quick, safe, and error-free installation – a clear advantage for electricians in their everyday work.
Your advantages at a glance:
- Ultra-compact design for flexible installation options
- Noiseless switching without acoustic interference
- Fully sealed housing for wet rooms and outdoor areas
- Pre-assembled cables for fast and secure installation
With the new OKTO 540 BN flush-mounted latching relay, Theben offers a premium solution for demanding installations.
OKTO 540 BN
- ➜ Electronical latching relay
- ➜ Comfortable lighting control of one common consumer with several push-buttons possible
- ➜ Particularly quiet operation of the installation switch
Compensation Module LED
- ➜ Item no.: 9070825
- ➜ Compensation LED module for dimmer
- ➜ To avoid afterglow with LED lamps
DIMAX 540 APP B
- ➜ The DIMAX 540 APP B (Item no. 5400230) is a compact smart dimmer switch designed for modern smart lighting systems, offering flexible and reliable lighting control without the need for a neutral conductor. Suitable for both residential and commercial installations, it supports smooth dimming of LED and incandescent lamps while enabling full control via Bluetooth app connectivity on Android and iOS. Users can easily create light scenes, set schedules, and use astro functions for automated lighting based on sunrise and sunset, making it a practical solution for energy-efficient and intelligent light control.
- ➜ With built-in Bluetooth mesh capability, the DIMAX 540 APP B lighting control module can be expanded and integrated with other devices to create a scalable smart light system. It features adjustable minimum brightness and a memory function that recalls the last light level for consistent performance. Designed for safety and durability, it includes temperature cut-off, overcurrent protection, and a short-circuit fuse, while its compact, fully encapsulated design makes it ideal for retrofitting into existing installations. With standby consumption of less than 0.5 W, this smart dimmer delivers efficient, future-ready lighting control.
- ➜ Available August 2025.
OKTO S12-230
- ➜ Electro-mechanical latching relay with 1 channel/contact (normally open contact)
- ➜ Comfortable lighting control of one common consumer with several push-buttons possible
- ➜ Simple and inexpensive electrical installation with 2 wires per push-button
OKTO ES12-UC
- ➜ Electronic latching relay with 1 channel/contact (normally open contact)
- ➜ Potential-free multi-voltage input (8 V to 230 V)
- ➜ Comfortable lighting control of one common consumer with several push buttons is possible
ELPA 7
- ➜ Staircase time switch, electronical
- ➜ Switch-off pre-warning to avoid sudden darkness
- ➜ Zero-cross switching for relay-saving switching and high lamp loads
TC 649 C
- ➜ Digital time switch / astronomical time switch with weekly program and annual program
- ➜ With integrated web server, external operation via app possible via a cloud solution
- ➜ Time switching or astronomical programs can be sent to a single device via the cloud and direct switching can be performed via the cloud
OKTO S22-230
- ➜ Electro-mechanical latching relay with 2 channels/contacts (normally open contact)
- ➜ Comfortable lighting control of one common consumer with several push-buttons possible
- ➜ Simple and inexpensive electrical installation with 2 wires per push-button
OKTO ES12-230
- ➜ Electronical latching relay with 1 channel/contact (normally open contact)
- ➜ Comfortable lighting control of one common consumer with several push-buttons possible
- ➜ Particularly quiet operation of the installation switch
TR 612 top3
- ➜ Digital time switch with weekly program
- ➜ 2 channels
- ➜ Programming by app possible
Bluetooth OBELISK top3
- ➜ Bluetooth low-energy dongle for the transfer of switching programs and direct commands from the app to the time switch
- ➜ Plug-in via the standard top3 OBELISK interface
SELEKTA 172 top3
- ➜ Astronomical time switch with weekly program
- ➜ 2 channels
- ➜ Programming by app possible
DIMAX 540 plus B
- ➜ Flush-mounted dimmer for R and C loads
- ➜ Optimised settings for LEDs and incandescent lamps
- ➜ No neutral conductor necessary
DIMAX 545 plus P
- ➜ Universal dimmer for R, L and C loads with automatic load detection
- ➜ Operation by button or app via Bluetooth Low Energy
- ➜ Adjustable minimum brightness for LEDs
Downloads
Surge switch for DIN rail
The electronic and electromechanical OKTO latching relay for series installation enable simple and convenient lighting control of a consumer via any number of push buttons. This makes them ideal for lighting control in hallways and corridors of apartment buildings, functional and commercial buildings, common rooms, and private living areas.
The highlights of the OKTO latching relay at a glance:
Quick installation:
DIN rail mounted and easy to install with only 2 wires per button.
Suits all requirements:
Electromechanical or electronic versions.
High LED switching capacity:
Electronic impulse relays with zero-crossing switching to protect the relay contact and prolong the service life of the LED lamp.
Quiet:
Operates without mechanical clicking (electronic impulse switches)
Efficient:
Electromechanical impulse relays with 0 W standby consumption. Electronic impulse switch with only 0.3 W standby consumption.