# ONKA Elektrik MRK Universal Screw Terminal Block 2.5mm2 Grey

**URL:** https://aio.lv/en/product--onka-elektrik-onka-1012--12451263
**Data updated:** 2026-05-18 02:42 (EEST)
**Category:** Power Sockets
**Manufacturer:** ONKA Elektrik
**Manufacturer code:** ONKA-1012
**EAN:** 5900103207342
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 3.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 3.30 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--onka-elektrik-onka-1012--12451263

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The ONKA Elektrik MRK universal screw terminal block is designed for reliable wire connections in electrical installations. With a 2.5mm2 capacity, this grey terminal block ensures secure electrical contact and efficient circuit management. It is suitable for professional industrial and residential wiring applications, providing a durable solution for organizing connections within control panels and distribution boxes.

## Long description

The ONKA Elektrik MRK universal screw terminal block is a high-quality component engineered for secure and reliable wire termination in various electrical systems. Designed to accommodate conductors with a cross-section of 2.5mm2, this terminal block provides a stable electrical connection that is essential for maintaining the integrity of control panels, distribution boards, and industrial automation setups. Its robust construction and grey finish make it a standard choice for professionals seeking efficiency and organization in complex wiring projects.
Advantages
This terminal block excels in providing a vibration-resistant connection, ensuring that wires remain firmly in place even in demanding environments. The screw-clamp mechanism allows for easy installation and maintenance, enabling quick adjustments or replacements without the need for specialized tools. Its compact design facilitates high-density wiring, allowing for more connections within a limited space, while the durable insulating material provides excellent protection against electrical faults and short circuits.
Suitable for
Industrial control panels and automation systems
Residential and commercial electrical distribution boxes
General-purpose electrical wiring and circuit management
Connecting solid or stranded copper conductors
When it may not be suitable
This terminal block is not intended for use with high-current applications exceeding its rated capacity or for environments involving extreme chemical exposure that could degrade the plastic housing. It is also not suitable for direct outdoor installation without an appropriate protective enclosure to shield it from moisture and environmental contaminants.
Key specifications
Conductor capacity: 2.5mm2
Connection type: Screw terminal
Color: Grey
Material: High-grade insulating plastic
Mounting: DIN rail compatible
How to use
To use the terminal block, first ensure the power supply is disconnected. Strip the insulation from the end of your wire to the recommended length. Insert the conductor into the terminal opening and tighten the screw firmly using a compatible screwdriver to secure the connection. Verify that the wire is held tightly by giving it a gentle pull. Repeat the process for additional connections as required within your circuit layout.
What to consider before purchase
Ensure the wire gauge matches the 2.5mm2 capacity requirement
Verify the total number of terminals needed for your specific project
Check compatibility with your existing DIN rail mounting system
Confirm that the operating environment is within the standard temperature and humidity limits for plastic electrical components
Usage recommendations
Always ensure that all screw connections are tightened to the manufacturer's specified torque to prevent overheating or loose contacts over time. Regularly inspect terminal blocks during routine maintenance to ensure no signs of thermal damage or corrosion are present.

## FAQ

### How much does the ONKA Elektrik MRK 2.5mm2 Universal Screw Terminal Block cost, and is it available for purchase?

The price is 3.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 751 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 14.07.2026 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 ONKA Elektrik 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 ONKA Elektrik 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/12451263/68753974_large.webp