# System component Steinel UI4 KNX-S (model 089238) for KNX systems — Steinel UI4 KNX-S

**URL:** https://aio.lv/en/product--steinel-089238--11639087
**Data updated:** 2026-02-15 18:50 (EET)
**Category:** Home Goods Accessories
**Manufacturer:** Steinel
**Manufacturer code:** 089238
**EAN:** 4007841089238
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 78.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 64.87 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--steinel-089238--11639087

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.07.2026 | free |
| Pickup points | 27.07.2026 | 1.99 EUR |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

Steinel UI4 KNX-S system component (model 089238) is a device designed for integration into KNX building automation. It serves as a modular element for KNX systems to enable control and communication within automated installations. Suitable for professional KNX projects, it supports standardized KNX integration and helps centralize control functions in commercial and residential buildings.

## Long description

Steinel UI4 KNX-S (model 089238) is a system component designed for integration into KNX building automation. The module functions as a modular element within KNX installations, enabling control and communication between devices in automated commercial and residential systems. Intended for use in professional KNX projects, the component supports standardized KNX interoperability and helps centralize control functions for lighting and other building automation tasks.
Advantages
The Steinel UI4 KNX-S offers a compact, installation-oriented solution for KNX integrators who require a standardized component for system integration. Its design focuses on straightforward compatibility with KNX environments and on providing a stable interface for control and communication within automated installations. The device is suitable for structured integration into centralized control architectures in both commercial and residential settings.
Suitable for
 Professional KNX building automation projects
 Integration of lighting control into KNX systems
 Centralizing control functions in commercial buildings
 Residential KNX installations requiring modular system components
Key specifications
 Device type: KNX system component for building automation
 Compatibility: Designed for integration into KNX installations
 Application areas: Commercial and residential automated systems
 Form factor: Modular component intended for structured system integration
How to use
Install the Steinel UI4 KNX-S as part of a KNX installation according to KNX wiring and commissioning rules. Connect the module to the KNX bus and integrate it into ETS (Engineering Tool Software) or other KNX configuration tools to assign group addresses and configure communication parameters. Use the module as a part of the overall automation topology to route control commands and centralize functions such as lighting control. Follow electrical safety standards and the installation practices applicable to KNX systems during mounting and wiring.
Usage recommendations
Use the Steinel UI4 KNX-S within KNX-certified projects and configure it via standard KNX tools. Ensure that installation and commissioning are performed by qualified personnel familiar with KNX planning, ETS configuration, and local electrical regulations to maintain system reliability and safety.

## FAQ

### How much does the Steinel UI4 KNX-S system component 089238 cost, and is it available for purchase?

The price is 78.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 22.07.2026 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 Steinel 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 Steinel 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/11639087/68546537_large.webp