# Simet STB 300 SIMBLOCK Screw Terminal Block for Al/Cu Conductors

**URL:** https://aio.lv/en/product--simet-81301007--12449156
**Data updated:** 2026-05-18 02:52 (EEST)
**Category:** Power Sockets
**Manufacturer:** Simet
**Manufacturer code:** 81301007
**EAN:** 5907813233487
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 44.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 37.18 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--simet-81301007--12449156

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

The Simet STB 300 SIMBLOCK is a professional screw-type terminal block designed for reliable connection of aluminum and copper conductors. This terminal ensures secure electrical contact and is suitable for various industrial and residential electrical installations. Its robust construction provides durability and efficient performance in power distribution systems.

## Long description

The Simet STB 300 SIMBLOCK is a professional-grade screw terminal block engineered for the secure and reliable connection of both aluminum and copper conductors. Designed for demanding electrical environments, this terminal block ensures optimal electrical contact and long-term stability in power distribution systems. Its robust build quality makes it an essential component for maintaining safety and efficiency in various electrical setups.
Advantages
The primary benefit of the Simet STB 300 is its versatility in handling different conductor materials, allowing for seamless integration of aluminum and copper wiring without compromising connection integrity. The screw-type mechanism provides high clamping force, which is critical for preventing loose connections and minimizing heat generation. Furthermore, the durable housing material offers excellent mechanical strength and resistance to environmental factors, ensuring consistent performance over the lifespan of the installation.
Suitable for
Industrial power distribution panels
Residential electrical installations
Connection of aluminum and copper power cables
Main supply line terminations
When it may not be suitable
This terminal block is not intended for use with flexible fine-stranded wires unless appropriate ferrules are applied to ensure a secure grip. It is also not suitable for high-frequency signal transmission or applications requiring specialized waterproof or explosion-proof enclosures.
Key specifications
Compatible with aluminum and copper conductors
Screw-type connection mechanism
Robust industrial-grade housing
Designed for secure power distribution
How to use
To use the Simet STB 300, first ensure the power supply is disconnected. Strip the insulation from the conductor to the required length, ensuring the wire is clean and free of oxidation. Insert the conductor into the terminal opening and tighten the screw firmly to the specified torque to ensure a solid mechanical and electrical connection. Verify that the wire is held securely before restoring power to the circuit.
What to consider before purchase
Verify the cross-section compatibility of your conductors
Ensure the terminal block matches the current rating of your system
Confirm the mounting space available in your distribution board
Usage recommendations
Always follow local electrical codes and regulations during installation. Regularly inspect terminal connections for tightness, especially in systems subject to thermal expansion or vibration.

## FAQ

### How much does the Simet STB 300 SIMBLOCK Screw Terminal Block cost, and is it available for purchase?

The price is 44.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 02.07.2026 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 Simet 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 Simet 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/12449156/68752013_large.webp