# ELKO-BIS 5.1 OC 2-way test connector 57x57mm galvanized

**URL:** https://aio.lv/en/product--elko-bis-51-oc--12460573
**Data updated:** 2026-05-18 09:44 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** ELKO-BIS
**Manufacturer code:** 5.1 OC
**EAN:** 5907676741990
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.49 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 5.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--elko-bis-51-oc--12460573

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

The ELKO-BIS 5.1 OC is a 2-way test connector designed for lightning protection and grounding systems. Measuring 57x57mm, this galvanized steel component ensures reliable electrical connectivity and easy inspection of grounding conductors. It is built for durability and corrosion resistance in outdoor installations, providing a secure mechanical and electrical joint for lightning protection networks.

## Long description

The ELKO-BIS 5.1 OC 2-way test connector is a professional-grade component designed for integration into lightning protection and grounding systems. Measuring 57x57mm, this connector provides a robust mechanical and electrical junction for grounding conductors, facilitating the necessary periodic testing and maintenance of the installation. Constructed from high-quality galvanized steel, it is engineered to withstand harsh environmental conditions while maintaining consistent electrical conductivity.
Advantages
The primary benefit of this test connector is its ability to provide a reliable, low-resistance connection that can be easily accessed for inspection purposes. The galvanized finish offers superior protection against corrosion, ensuring a long service life even when exposed to moisture and varying weather conditions. Its 2-way design allows for efficient routing and connection of conductors, simplifying the assembly process for complex grounding networks. The compact 57x57mm footprint ensures it can be installed in various locations without requiring excessive space.
Suitable for
Lightning protection system installations
Grounding and earthing networks
Periodic inspection and measurement of grounding resistance
Outdoor electrical infrastructure projects
When it may not be suitable
This connector is not intended for use in high-voltage power transmission lines or applications where specific non-ferrous materials are required due to chemical compatibility concerns. It is also not suitable for underwater installations or environments with extreme chemical acidity that could compromise the galvanized coating.
Key specifications
Dimensions: 57x57mm
Material: Galvanized steel
Configuration: 2-way test connector
Application: Lightning protection and grounding systems
How to use
To install the ELKO-BIS 5.1 OC, position the grounding conductors within the connector housing and tighten the bolts securely to ensure a firm mechanical grip and optimal electrical contact. The design allows for the conductors to be disconnected easily during maintenance intervals to perform resistance measurements. Ensure that the connector is mounted on a stable surface and that all connections are tightened to the manufacturer's recommended torque to prevent loosening over time.
What to consider before purchase
Compatibility with the diameter of your grounding conductors
Environmental conditions of the installation site
Local regulations regarding lightning protection components
Requirement for periodic testing access
Usage recommendations
Regularly inspect the connector for signs of mechanical damage or excessive corrosion, especially after severe weather events. Ensure that the connection remains tight to maintain the integrity of the grounding system.

## FAQ

### How much does the ELKO-BIS 5.1 OC 2-way test connector cost, and is it available for purchase?

The price is 6.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 55 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 08.07.2026 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/12460573/68762542_large.webp