# Simet SIMBLOCK STB 300-2 Screw Terminal Block for Aluminum and Copper Conductors, Blue

**URL:** https://aio.lv/en/product--simet-81302003--12459631
**Data updated:** 2026-05-18 09:34 (EEST)
**Category:** Power Sockets
**Manufacturer:** Simet
**Manufacturer code:** 81302003
**EAN:** 5907813232879
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 104.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 86.77 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--simet-81302003--12459631

## 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 SIMBLOCK STB 300-2 is a professional screw-type terminal block designed for reliable connection of aluminum and copper conductors. This blue terminal block 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 SIMBLOCK STB 300-2 is a professional-grade screw terminal block engineered for the secure and reliable connection of both aluminum and copper conductors. Designed for versatility and safety, this blue terminal block is an essential component for power distribution systems in residential, commercial, and industrial electrical installations. Its robust construction ensures long-term durability and consistent electrical performance under various operating conditions.
Advantages
The primary advantage of the Simet SIMBLOCK STB 300-2 lies in its specialized design that accommodates both aluminum and copper wiring, providing flexibility for diverse electrical projects. The screw-type mechanism ensures a high-pressure, low-resistance connection that maintains integrity over time, reducing the risk of overheating or loose contacts. Its compact and durable housing is built to withstand the rigors of demanding environments, making it a dependable choice for professionals seeking efficiency and safety in their electrical infrastructure.
Suitable for
Residential electrical panel wiring
Industrial power distribution systems
Commercial building electrical installations
Connecting aluminum and copper conductors in junction boxes
When it may not be suitable
This terminal block is not intended for use in environments with extreme moisture or corrosive atmospheres unless housed in an appropriately rated protective enclosure. It is also not suitable for applications requiring quick-connect or spring-clamp termination methods.
Key specifications
Type: Screw-type terminal block
Compatibility: Aluminum and copper conductors
Color: Blue
Application: Power distribution
How to use
To use the Simet SIMBLOCK STB 300-2, ensure the power supply is completely disconnected before starting any installation. Strip the insulation from the conductor ends according 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 secure the connection. Verify that the wire is held securely by gently pulling on it. Once installed, ensure the terminal block is properly mounted within a suitable enclosure or distribution board.
What to consider before purchase
Verify the cross-section of your conductors matches the terminal block capacity
Ensure the installation environment meets the safety requirements for this component
Confirm the quantity needed for your specific distribution system layout
Usage recommendations
Always use a calibrated torque screwdriver to ensure the screw is tightened to the manufacturer's recommended specifications to prevent damage to the conductor or the terminal block.

## FAQ

### How much does the Simet SIMBLOCK 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 — 20 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 SIMBLOCK 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/12459631/68761666_large.webp