# ELKO-BIS 123.1 AL Lightning Protection Wire Expansion Element

**URL:** https://aio.lv/en/product--elko-bis-12300109--12468113
**Data updated:** 2026-05-18 09:35 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** ELKO-BIS
**Manufacturer code:** 12300109
**EAN:** 5907676730420
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.49 €
**Prices and availability valid until:** 2026-08-10 23:59
**Price without VAT (21%):** 8.67 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--elko-bis-12300109--12468113

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.07.2026 | free |
| Pickup points | 04.08.2026 | 1.89 EUR |
| Courier delivery to door | 04.08.2026 | 4.99 EUR |

## Summary description

The ELKO-BIS 123.1 AL expansion element is a specialized component designed for lightning protection systems. It is used to compensate for thermal expansion and contraction of the lightning protection wire, ensuring the integrity and stability of the installation. Made from high-quality aluminum, this component is essential for maintaining a reliable grounding and protection network in various building structures.

## Long description

The ELKO-BIS 123.1 AL lightning protection wire expansion element is a professional-grade component engineered to maintain the structural integrity of lightning protection systems. By effectively compensating for the natural thermal expansion and contraction of conductors caused by temperature fluctuations, this element prevents mechanical stress and potential damage to the installation. Constructed from durable, high-quality aluminum, it ensures long-term reliability and consistent electrical conductivity within grounding and lightning protection networks.
Advantages
This expansion element offers superior resistance to environmental factors, making it an ideal choice for outdoor installations exposed to varying weather conditions. Its robust design facilitates easy integration into existing lightning protection setups, providing a seamless solution for managing wire movement. By utilizing high-grade aluminum, the component balances lightweight properties with high mechanical strength, ensuring that the lightning protection system remains stable and functional throughout its entire service life.
Suitable for
Managing thermal expansion in lightning protection wire runs
Securing grounding systems on flat and pitched roofs
Industrial and residential building lightning protection installations
Maintaining electrical continuity in long conductor segments
When it may not be suitable
This component is specifically designed for aluminum-based lightning protection systems and may not be compatible with systems requiring different metallurgical properties to prevent galvanic corrosion. It is not intended for use in structural load-bearing applications or as a primary mounting bracket for heavy equipment.
Key specifications
Material: High-quality aluminum
Function: Thermal expansion compensation
Application: Lightning protection wire systems
Compatibility: Standard lightning protection conductors
How to use
The expansion element should be installed at calculated intervals along the lightning protection wire run, as specified by the project design and local safety regulations. It is integrated directly into the conductor line to allow for longitudinal movement. Ensure that all connections are tightened according to the manufacturer's torque requirements to maintain optimal electrical contact and mechanical stability. Installation should be performed by qualified personnel familiar with lightning protection standards.
What to consider before purchase
Verify compatibility with the existing conductor material to avoid corrosion
Ensure the quantity matches the requirements of the lightning protection design plan
Check local building codes regarding the placement of expansion elements
Usage recommendations
Regular inspections of the lightning protection system are recommended to ensure that the expansion elements remain free of debris and that all connections remain secure after extreme seasonal temperature changes.

## FAQ

### How much does the ELKO-BIS 123.1 AL Lightning Protection Expansion Element cost, and is it available for purchase?

The price is 10.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 18 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 30.07.2026 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. 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 ELKO-BIS 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 ELKO-BIS 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/12468113/68770651_large.webp