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

**URL:** https://aio.lv/en/product--simet-81302005--12454429
**Data updated:** 2026-05-18 02:52 (EEST)
**Category:** Power Sockets
**Manufacturer:** Simet
**Manufacturer code:** 81302005
**EAN:** 5907813232886
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 105.49 €
**Prices and availability valid until:** 2026-07-09 23:59
**Price without VAT (21%):** 87.18 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--simet-81302005--12454429

## 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 300-2 SIMBLOCK is a professional screw-type rail terminal block designed for secure electrical connections of both aluminum and copper conductors. This green terminal block ensures reliable conductivity and mechanical stability in industrial and residential electrical distribution systems. It is engineered for easy mounting on standard DIN rails, providing a robust solution for power distribution and circuit management in various electrical installations.

## Long description

The Simet STB 300-2 SIMBLOCK is a professional-grade screw-type rail terminal block engineered to provide secure and reliable electrical connections for both aluminum and copper conductors. Designed for integration into industrial and residential electrical distribution systems, this terminal block ensures optimal conductivity and mechanical stability. Its robust construction and compatibility with standard DIN rails make it an essential component for efficient power distribution and organized circuit management in diverse electrical installations.
Advantages
The primary advantage of the Simet STB 300-2 lies in its versatility, as it is specifically designed to handle both aluminum and copper wiring, which simplifies inventory and installation processes. The screw-type connection mechanism provides high contact pressure, ensuring long-term electrical integrity and resistance to vibrations. Furthermore, the green housing is designed for easy identification within complex control panels, while the DIN rail mounting system allows for rapid installation and modular expansion of electrical circuits.
Suitable for
Industrial power distribution cabinets
Residential electrical distribution boards
Connecting aluminum and copper conductors in control systems
Modular circuit management and electrical panel assembly
When it may not be suitable
This terminal block is not intended for use in environments with extreme corrosive conditions or high-moisture areas unless housed in an appropriately rated enclosure. It is also not suitable for applications requiring wire gauges outside of the manufacturer's specified capacity range.
Key specifications
Connection type: Screw terminal
Conductor compatibility: Aluminum and Copper
Mounting: Standard DIN rail
Color: Green
How to use
To install the Simet STB 300-2, first ensure that the power supply to the circuit is disconnected. Secure the terminal block onto the standard DIN rail until it clicks into place. Strip the insulation from the conductor to the required length, insert the wire into the terminal opening, and tighten the screw to the recommended torque to ensure a firm connection. Verify that the wire is securely held before restoring power to the system.
What to consider before purchase
Verify that the wire gauge of your conductors is compatible with the terminal block specifications.
Ensure the DIN rail type in your enclosure matches the mounting requirements.
Check local electrical regulations regarding the use of aluminum conductors in your specific application.
Usage recommendations
Always use a calibrated torque screwdriver when tightening the terminal screws to prevent damage to the conductor or the terminal block itself, and ensure that all connections are inspected periodically for signs of thermal stress or loosening.

## FAQ

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

The price is 105.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 13 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, Installment. All transactions are 100% secure and encrypted.

### Can Simet STB 300-2 SIMBLOCK Screw Rail 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/12454429/68756866_large.webp