# Simet STB 300-2 Screw Terminal Block for Al/Cu Conductors, Grey

**URL:** https://aio.lv/en/product--simet-81302002--12458282
**Data updated:** 2026-05-18 09:43 (EEST)
**Category:** Power Sockets
**Manufacturer:** Simet
**Manufacturer code:** 81302002
**EAN:** 5907813232862
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 104.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 86.77 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--simet-81302002--12458282

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Simet STB 300-2 is a professional screw-type terminal block designed for secure electrical connections of both aluminum and copper conductors. This grey SIMBLOCK series connector ensures reliable conductivity and mechanical stability in industrial and residential electrical installations. It is engineered for efficient wire management and long-term durability in various distribution systems.

## Long description

The Simet STB 300-2 is a professional screw-type terminal block engineered for the reliable connection of aluminum and copper conductors. Part of the SIMBLOCK series, this grey terminal block provides excellent electrical conductivity and mechanical robustness, making it an essential component for both industrial and residential electrical distribution systems. Its design facilitates efficient wire management, ensuring long-term stability and safety in demanding electrical installations.
Advantages
This terminal block offers superior versatility by supporting both aluminum and copper wiring, which simplifies inventory management and installation processes. The screw-type mechanism ensures a high-pressure, low-resistance connection that maintains integrity over time, even under varying thermal conditions. Its compact and durable construction allows for space-efficient mounting within distribution boards, while the high-quality materials used in its manufacturing guarantee consistent performance and resistance to environmental factors.
Suitable for
Industrial electrical distribution cabinets
Residential power supply systems
Connecting aluminum and copper power cables
General electrical infrastructure projects
When it may not be suitable
This terminal block is not intended for use in environments with extreme vibration or high-corrosion conditions unless additional protective enclosures are provided. It is also not suitable for applications requiring tool-less or spring-loaded connection methods.
Key specifications
Material compatibility: Aluminum and Copper conductors
Connection type: Screw terminal
Color: Grey
Series: SIMBLOCK
How to use
To use the Simet STB 300-2, ensure the power supply is disconnected before starting any installation work. Strip the insulation from the conductor to the appropriate length as specified by local electrical standards. Insert the conductor into the terminal opening and tighten the screw firmly to secure the wire. Verify that the connection is tight and that no loose strands are visible. Ensure the terminal block is securely mounted to the DIN rail or base plate before applying power to the circuit.
What to consider before purchase
Verify the cross-section of your conductors matches the terminal capacity
Ensure the installation environment is compatible with the terminal block specifications
Check local electrical regulations regarding the use of aluminum conductors
Usage recommendations: Regularly inspect the screw connections during routine maintenance to ensure they remain tight, especially when using aluminum conductors which may be subject to thermal expansion and contraction.

## FAQ

### How much does the Simet STB 300-2 Screw Terminal Block cost, and is it available for purchase?

The price is 104.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 15 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 06.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Simet STB 300-2 Screw Terminal Block be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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/12458282/68760417_large.webp