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

**URL:** https://aio.lv/en/product--simet-81301005--12458281
**Data updated:** 2026-05-18 09:43 (EEST)
**Category:** Power Sockets
**Manufacturer:** Simet
**Manufacturer code:** 81301005
**EAN:** 5907813232855
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 36.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 30.57 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--simet-81301005--12458281

## 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 SIMBLOCK is a professional screw-type rail terminal block designed for reliable connection of both aluminum and copper conductors. This green terminal block ensures secure electrical contact and is suitable for industrial and commercial electrical installations. Its robust construction provides high performance and durability in various power distribution systems.

## Long description

The Simet STB 300 SIMBLOCK is a professional screw-type rail terminal block engineered for the secure and reliable connection of both aluminum and copper conductors. Designed for demanding electrical environments, this green terminal block facilitates efficient power distribution in industrial and commercial settings. Its robust construction ensures long-term stability and high performance, making it a dependable component for modern electrical infrastructure.
Advantages
The primary advantage of the Simet STB 300 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 mechanism provides a high-pressure, low-resistance connection that maintains integrity over time. Its durable housing is built to withstand the rigors of industrial use, ensuring that electrical contacts remain secure even in vibration-prone environments.
Suitable for
Industrial power distribution panels
Commercial building electrical systems
Connecting aluminum and copper conductors in control cabinets
Infrastructure projects requiring reliable rail-mounted terminals
When it may not be suitable
This terminal block is not intended for use in environments with extreme corrosive gases or high-moisture conditions unless housed in an appropriately rated enclosure. It is also not suitable for applications requiring tool-less or push-in connection methods.
Key specifications
Connection type: Screw terminal
Conductor compatibility: Aluminum and Copper
Mounting: DIN rail
Color: Green
Application: Power distribution
How to use
To install the Simet STB 300, mount the terminal block onto a standard DIN rail until it clicks into place. Strip the insulation from your aluminum or copper conductor to the recommended length. Insert the conductor into the terminal opening and tighten the screw to the specified torque to ensure a firm connection. Verify that the wire is held securely before applying power to the circuit.
What to consider before purchase
Ensure the conductor cross-section is compatible with the terminal block capacity
Verify that the DIN rail type matches the mounting requirements
Confirm that the installation environment meets the necessary IP rating standards
Usage recommendations
Always use a calibrated torque screwdriver to tighten the terminal screws to the manufacturer's recommended torque settings to prevent damage to the conductor or the terminal block itself.

## FAQ

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

The price is 36.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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. 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/12458281/68760416_large.webp