# ELKO-BIS 1.1 CU 4-Hole Cross Connector 57x57mm Copper

**URL:** https://aio.lv/en/product--elko-bis-11-cu--12480540
**Data updated:** 2026-05-22 07:17 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** ELKO-BIS
**Manufacturer code:** 1.1 CU
**EAN:** 5907676739201
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 14.49 €
**Prices and availability valid until:** 2026-08-12 23:59
**Price without VAT (21%):** 11.98 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--elko-bis-11-cu--12480540

## 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 1.1 CU is a 4-hole cross connector designed for reliable electrical grounding and lightning protection systems. Made of high-quality copper, this 57x57mm component ensures excellent conductivity and durability in outdoor installations. It is ideal for securely joining conductors in professional lightning protection setups, providing a stable and long-lasting connection for various infrastructure projects.

## Long description

The ELKO-BIS 1.1 CU 4-hole cross connector is a professional-grade component engineered for robust electrical grounding and lightning protection systems. Measuring 57x57mm and crafted from high-quality copper, this connector provides superior electrical conductivity and exceptional resistance to environmental factors, making it a reliable choice for long-term outdoor infrastructure projects.
Advantages
The primary benefit of this cross connector is its high-quality copper construction, which ensures minimal electrical resistance and excellent corrosion resistance in various weather conditions. Its 4-hole design allows for a secure and stable mechanical connection between conductors, which is essential for maintaining the integrity of lightning protection systems. The compact 57x57mm dimensions facilitate easy installation in tight spaces while maintaining the structural requirements for professional grounding setups.
Suitable for
Lightning protection systems
Electrical grounding installations
Infrastructure projects requiring secure conductor junctions
Outdoor electrical networks
When it may not be suitable
This connector is specifically designed for copper-based systems. It may not be suitable for installations where galvanic corrosion could occur due to contact with incompatible metals, such as aluminum, without proper bimetallic transition components.
Key specifications
Material: Copper
Configuration: 4-hole cross connector
Dimensions: 57x57mm
Application: Grounding and lightning protection
How to use
To install the connector, position the conductors within the designated slots of the 57x57mm plate. Align the holes and secure the assembly using appropriate fasteners to ensure a tight, low-resistance connection. Ensure that the contact surfaces are clean and free of debris before tightening to maintain optimal electrical conductivity.
What to consider before purchase
Compatibility with existing conductor materials
Required quantity for the specific lightning protection layout
Local electrical safety standards and installation regulations
Usage recommendations
Regularly inspect the connection points in your lightning protection system to ensure that fasteners remain tight and that no signs of environmental degradation are present, ensuring the continued safety and efficiency of the grounding installation.

## FAQ

### How much does the ELKO-BIS 1.1 CU 4-Hole Cross Connector cost, and is it available for purchase?

The price is 14.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 30 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/12480540/68803592_large.webp