# Erko ACK 12-240/1 Sealed Al-Cu Ring Terminal for 12-240mm² Conductors

**URL:** https://aio.lv/en/product--erko-ack12-2401--12468021
**Data updated:** 2026-05-18 09:36 (EEST)
**Category:** Miscellaneous repair tools
**Manufacturer:** Erko
**Manufacturer code:** ACK\_12-240/1
**EAN:** 5905912837797
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.99 €
**Prices and availability valid until:** 2026-08-03 23:59
**Price without VAT (21%):** 19.00 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--erko-ack12-2401--12468021

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The Erko ACK 12-240/1 is a high-quality sealed ring terminal designed for reliable Al-Cu cable connections. Suitable for conductors ranging from 12mm² to 240mm², this terminal ensures a secure, corrosion-resistant electrical contact. Ideal for professional electrical installations, it provides durability and safety in demanding environments, facilitating efficient power distribution and long-term performance in various industrial applications.

## Long description

The Erko ACK 12-240/1 is a professional-grade sealed ring terminal engineered for secure and reliable connections between aluminum and copper conductors. Designed to accommodate a wide range of cable sizes from 12mm² to 240mm², this terminal is essential for maintaining electrical integrity in complex power distribution systems. Its robust construction prevents oxidation and corrosion at the junction point, ensuring long-term stability and safety in demanding industrial environments.
Advantages
This terminal offers exceptional durability due to its specialized sealed design, which effectively protects the connection from environmental factors and moisture ingress. By facilitating a stable transition between aluminum and copper, it minimizes the risk of galvanic corrosion, which is a common issue in mixed-metal electrical systems. The high-quality materials used in its manufacturing ensure excellent conductivity and mechanical strength, providing peace of mind for critical electrical infrastructure projects.
Suitable for
Industrial power distribution networks
Connecting aluminum cables to copper busbars or terminals
Electrical installations in outdoor or high-humidity environments
Heavy-duty electrical machinery and equipment
When it may not be suitable
This terminal is specifically designed for aluminum-to-copper transitions and may not be necessary for simple copper-to-copper connections where standard terminals are more cost-effective. It is also not intended for use with conductors outside the specified 12mm² to 240mm² range.
Key specifications
Conductor range: 12mm² to 240mm²
Material compatibility: Aluminum and Copper
Design: Sealed ring terminal
Application: Corrosion-resistant electrical connection
How to use
To use the Erko ACK 12-240/1, first strip the insulation from the conductor to the appropriate length. Insert the conductor into the terminal barrel, ensuring it is fully seated. Use a professional-grade crimping tool compatible with the terminal size to create a secure, permanent connection. Ensure the crimping process is performed according to standard electrical practices to guarantee optimal contact pressure and electrical conductivity.
What to consider before purchase
Verify the cross-sectional area of your conductor falls within the 12-240mm² range
Ensure you have the correct crimping tool for this specific terminal type
Check the mounting bolt size required for the ring terminal hole
Usage recommendations
Always ensure that the conductor surface is clean and free of debris before insertion. For optimal performance in highly corrosive environments, consider applying an appropriate electrical joint compound to the conductor before crimping.

## FAQ

### How much does the Erko ACK 12-240/1 Sealed Al-Cu Ring Terminal cost, and is it available for purchase?

The price is 22.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 27 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 23.07.2026 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 Erko 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 Erko 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/12468021/68770539_large.webp