# Simet STB 50-3 SIMBLOCK Screw Terminal Block for Al/Cu Conductors, Grey

**URL:** https://aio.lv/en/product--simet-81003002--12466152
**Data updated:** 2026-05-18 09:34 (EEST)
**Category:** Power Sockets
**Manufacturer:** Simet
**Manufacturer code:** 81003002
**EAN:** 5907813233173
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 27.49 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 22.72 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--simet-81003002--12466152

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.99 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Simet STB 50-3 SIMBLOCK is a professional screw-type terminal block designed for secure electrical connections of both aluminum and copper conductors. This grey terminal block ensures reliable conductivity and mechanical stability in electrical distribution systems. It is engineered for industrial and commercial applications, providing a robust solution for wire termination in control panels and electrical cabinets.

## Long description

The Simet STB 50-3 SIMBLOCK is a professional screw-type terminal block engineered for the secure and reliable connection of both aluminum and copper conductors. Designed for use in electrical distribution systems, this grey terminal block provides excellent mechanical stability and consistent electrical conductivity. It is a robust component suitable for demanding industrial and commercial environments, ensuring long-term performance in control panels and electrical cabinets.
Advantages
This terminal block offers superior versatility by accommodating both aluminum and copper wiring, which simplifies inventory management and installation processes. Its robust screw-type mechanism ensures a high-pressure contact that minimizes resistance and prevents overheating. The durable construction provides excellent resistance to mechanical stress, while the compact design allows for efficient space utilization within electrical enclosures.
Suitable for
Industrial electrical distribution systems
Commercial building control panels
Electrical cabinets and junction boxes
Applications requiring mixed aluminum and copper conductor terminations
When it may not be suitable
This terminal block is not intended for use in environments with extreme corrosive gases or high-vibration areas without appropriate protective enclosures. It is also not suitable for applications involving conductors outside the specified cross-sectional range or for direct outdoor exposure without a weather-resistant housing.
Key specifications
Connection type: Screw terminal
Conductor compatibility: Aluminum and Copper
Color: Grey
Application: Industrial and commercial electrical distribution
How to use
To use the Simet STB 50-3, ensure the power supply is disconnected before starting any installation. 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 recommended torque to ensure a secure mechanical and electrical connection. Verify that the wire is held securely by pulling gently on the conductor.
What to consider before purchase
Verify the cross-sectional area of your conductors matches the terminal capacity
Ensure the installation environment meets the technical requirements for screw-type terminals
Check if local electrical regulations permit the use of aluminum conductors in your specific application
Usage recommendations
Always use a calibrated torque screwdriver to tighten the terminal screws to the manufacturer's specified torque settings to prevent damage to the conductor or the terminal block itself.

## FAQ

### How much does the Simet STB 50-3 SIMBLOCK Screw Terminal Block cost, and is it available for purchase?

The price is 27.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 14.07.2026 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/12466152/68768212_large.webp