# MDT KNX Taster Smart 55 4-fach BE-TAS550406.01 — 4-button KNX switch actuator, Smart 55 series

**URL:** https://aio.lv/en/product--mdt-be-tas55040601--11581738
**Data updated:** 2026-02-15 18:39 (EET)
**Category:** Home Goods Accessories
**Manufacturer:** MDT
**Manufacturer code:** BE-TAS550406.01
**EAN:** 4251916112806
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 152.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 126.44 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mdt-be-tas55040601--11581738

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The MDT KNX Taster Smart 55 4-fach (BE-TAS550406.01) is a 4-button KNX wall switch designed for integration into KNX smart home systems. It provides four configurable push-buttons for scenes, lighting, or blind control and fits the Smart 55 design line. Suitable for residential and commercial installations, it enables centralized control, scene activation and flexible programming via KNX tools.

## Long description

The MDT KNX Taster Smart 55 4-fach is a 4-button wall switch designed for integration into KNX building automation systems. It belongs to the Smart 55 design line and provides four configurable push-buttons that can be assigned to control lighting, scenes, blinds, or other KNX-actuated functions. The device is intended for flush-mount installation and connects to the KNX bus to enable centralized control and flexible programming through KNX configuration tools.
Advantages
The unit offers four individually programmable buttons in a compact Smart 55 form factor, enabling multiple functions from a single device. Integration with KNX allows for reliable communication and centralized management of scenes and group addresses. The product supports easy adaptation to different use cases through software configuration, and its standardized wall-mount design ensures compatibility with common installation environments.
Suitable for
 Residential lighting and scene control
 Commercial office lighting and zone control
 Blind and shutter control in living or working spaces
 Integration into KNX-based smart home or building automation projects
Key specifications
 Number of push-buttons: 4
 Mounting type: flush wall mounting (Smart 55 design compatibility)
 Interface: KNX bus connection for communication and power via compatible KNX topology
 Functionality: configurable for scene activation, switching, dimming commands, blind control or other KNX functions
 Operating environment: indoor use, suitable for residential and commercial installations
 Configuration: programmable via KNX ETS or compatible configuration tools
How to use
Install the switch into a standard flush-mounted wall box compatible with the Smart 55 design frame. Connect the device to the KNX bus according to KNX installation guidelines and ensure correct bus power is available. Use KNX ETS or compatible configuration software to assign group addresses, define button functions and set up scenes or automation logic. Once configured, operate the four push-buttons to send the assigned KNX commands for switching, dimming, scene recall, or blind control.
Usage recommendations
Ensure configuration and commissioning are performed by a trained KNX integrator or installer. Verify that the wall box and frame match the Smart 55 design for secure mounting. Avoid exposure to moisture and extreme temperatures; use the device indoors only. Regularly back up ETS project files to preserve button assignments and scene settings.

## FAQ

### How much does the MDT KNX Taster Smart 55 4-fach BE-TAS550406.01 cost, and is it available for purchase?

The price is 152.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 23.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All MDT products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized MDT service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11581738/66653388_large.webp