# Dehn BUStector Surge Arrester for EIB/KNX Systems 925001

**URL:** https://aio.lv/en/product--dehn-925001--12450998
**Data updated:** 2026-05-18 02:54 (EEST)
**Category:** Home Automation
**Manufacturer:** Dehn
**Manufacturer code:** 925001
**EAN:** 4013364047365
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 112.49 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 92.97 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dehn-925001--12450998

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

The Dehn BUStector 925001 is a high-quality surge arrester specifically designed for EIB/KNX bus systems. It provides reliable protection against transient overvoltages, ensuring the integrity and longevity of sensitive building automation components. This compact device is essential for maintaining stable communication in KNX installations, offering robust performance and easy integration into existing bus topologies.

## Long description

The Dehn BUStector 925001 is a specialized surge arrester engineered to provide comprehensive protection for EIB/KNX bus systems. By effectively mitigating transient overvoltages, this device safeguards sensitive building automation components from electrical surges, thereby preventing system failures and ensuring the long-term reliability of your smart home or commercial automation infrastructure.
Advantages
This surge arrester offers a robust defense mechanism that maintains the integrity of communication signals within KNX installations. Its compact design allows for seamless integration into existing bus topologies without requiring significant space. By utilizing high-quality components, the device ensures consistent performance and durability, effectively extending the operational lifespan of connected automation hardware and reducing the risk of costly maintenance or downtime caused by electrical disturbances.
Suitable for
EIB/KNX building automation systems
Smart home control networks
Commercial building management systems
Protection of bus-powered sensors and actuators
This device is not suitable for protecting high-voltage power lines or non-KNX communication protocols. It is specifically calibrated for the voltage and signal characteristics of EIB/KNX bus systems and should not be used in applications outside of these technical parameters.
Key specifications
Designed for EIB/KNX bus systems
Compact form factor for easy installation
Protection against transient overvoltages
High-performance surge suppression
How to use
The Dehn BUStector should be installed directly into the KNX bus line according to the manufacturer's wiring diagrams. Ensure that the device is positioned in a location that allows for proper connection to the bus cable and that the installation environment is free from excessive moisture or extreme temperatures. Once installed, the device operates automatically to monitor and suppress surges without requiring manual intervention.
What to consider before purchase
Verify compatibility with your specific KNX system configuration
Ensure the installation space meets the physical dimensions of the device
Confirm that the surge protection requirements align with your local electrical safety standards
Usage recommendations: Regularly inspect the installation to ensure that all connections remain secure and that the device is not exposed to environmental conditions exceeding its specified operating range.

## FAQ

### How much does the Dehn BUStector Surge Arrester 925001 for EIB/KNX cost, and is it available for purchase?

The price is 112.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 07.07.2026 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, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Dehn BUStector Surge Arrester 925001 for EIB/KNX be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 Dehn 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 Dehn 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/12450998/68753727_large.webp