# Simet STB 50-3 SIMBLOCK Threaded Rail Terminal Block for Al/Cu Conductors, Blue

**URL:** https://aio.lv/en/product--simet-81003003--12447389
**Data updated:** 2026-05-18 02:44 (EEST)
**Category:** Power Sockets
**Manufacturer:** Simet
**Manufacturer code:** 81003003
**EAN:** 5907813233180
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 27.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 22.72 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--simet-81003003--12447389

## 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 50-3 SIMBLOCK is a professional threaded rail terminal block designed for secure electrical connections of both aluminum and copper conductors. This blue terminal block ensures reliable conductivity and mechanical stability in electrical distribution panels. It is an essential component for industrial and residential electrical installations, providing a robust solution for wire termination on standard DIN rails.

## Long description

The Simet STB 50-3 SIMBLOCK is a professional-grade threaded rail terminal block engineered for the secure termination of both aluminum and copper conductors. Designed for integration into electrical distribution panels, this blue terminal block provides high mechanical stability and consistent electrical conductivity. It is a reliable component for managing power distribution in industrial and residential electrical systems, ensuring a firm connection on standard DIN rails.
Advantages
This terminal block offers exceptional versatility by supporting both aluminum and copper wiring, which simplifies inventory management and installation processes. The robust threaded design ensures that conductors remain securely fastened, minimizing the risk of loose connections or overheating. Its compact form factor allows for efficient use of space within electrical enclosures, while the blue color coding aids in clear circuit identification during maintenance and troubleshooting.
Suitable for
Industrial electrical distribution panels
Residential power supply systems
Connecting aluminum and copper power cables
DIN rail mounted electrical installations
When it may not be suitable
This terminal block is not intended for use with conductors outside of the specified cross-section range or for applications requiring specialized environmental protection against extreme moisture or corrosive gases. It should not be used in circuits exceeding the rated voltage or current capacity specified for this component.
Key specifications
Conductor compatibility: Aluminum and Copper
Mounting type: DIN rail
Color: Blue
Connection type: Threaded
How to use
To install the Simet STB 50-3, snap the terminal block onto a standard DIN rail until it clicks into place. Strip the insulation from the end of your aluminum or copper conductor to the required length. Insert the conductor into the terminal opening and tighten the screw using an appropriate screwdriver to ensure a secure mechanical connection. Verify that the wire is firmly held and cannot be pulled out before energizing the circuit.
What to consider before purchase
Ensure the conductor cross-section matches the terminal capacity
Verify the available space on the DIN rail within the enclosure
Confirm compatibility with the specific wire material being used
Usage recommendations
Always ensure that the power supply is disconnected before performing any installation or maintenance work on electrical terminals. Use a calibrated torque screwdriver to tighten the terminal screws to the manufacturer's recommended torque settings to prevent damage to the conductors.

## FAQ

### How much does the Simet STB 50-3 SIMBLOCK Threaded Rail 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 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/12447389/68750448_large.webp