# Busbar terminal block Siemens 5ST3744, model 5ST3744

**URL:** https://aio.lv/en/product--siemens-5st3744--1780932
**Data updated:** 2026-03-07 11:01 (EET)
**Category:** Power Sockets
**Manufacturer:** Siemens
**Manufacturer code:** 5ST3744
**EAN:** 4001869313122
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 157.99 €
**Prices and availability valid until:** 2026-08-11 23:59
**Price without VAT (21%):** 130.57 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-5st3744--1780932

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.07.2026 | free |
| Courier delivery to door | 04.08.2026 | 53.99 EUR |

## Summary description

Siemens 5ST3744 is a busbar-style terminal accessory designed for use with compatible terminal blocks and distribution systems. Supplied under Siemens MPN 5ST3744 and EAN 4001869313122, it provides a ready-made conductive connection path for electrical installations, facilitating organized distribution of power or signals across multiple terminals in control panels and switchgear.

## Long description

The Siemens 5ST3744 busbar terminal block is an accessory designed to create a consolidated conductive path for distributing power or signals across compatible terminal blocks in control panels and switchgear. It is intended for use where organized, repeatable connections are required and fits into systems that accept busbar-style accessories. The product simplifies wiring layout by providing a fixed, low-resistance link between multiple terminal points, reducing the need for separate jumpers and improving the clarity of distribution arrangements.
Advantages
The busbar-style design ensures consistent electrical contact and reduces installation time by replacing individual bridging wires. Made to match Siemens terminal block systems, the component offers mechanical compatibility and predictable electrical characteristics. The use of a single conductive rail helps maintain neat panel layouts, lowers the risk of wiring errors and supports easier maintenance and inspection.
Suitable for
Distributing DC or AC power across multiple terminal points in control cabinets
Creating common signal or ground connections in automation panels
Simplifying wiring in switchgear and distribution blocks
Applications that require repeatable, low-resistance interconnections between terminals
Key specifications
Type: busbar-style terminal accessory for compatible terminal blocks
Function: provides a continuous conductive path to bridge multiple terminals
Mounting: designed to be installed with matching terminal block system in control panels or distribution assemblies
Electrical characteristic: low-resistance conductor intended for power or signal distribution (observe system voltage and current limits when integrating)
Physical form: rigid conductive rail sized to span specified terminal positions within compatible terminal block rows
How to use
Install the busbar accessory into the matching terminal block positions according to the terminal block manufacturer instructions and panel wiring layout. Ensure power is switched off and circuits are de-energized before installation. Align the conductive rail with the terminals to be bridged and secure it per the terminal block’s fastening method, verifying firm contact at each connection point. After installation, tighten terminal connections to the specified torque values and restore power for functional testing.
Usage recommendations
Verify that the busbar accessory is compatible with the specific terminal block series in use and confirm the allowable current and voltage for the overall assembly. Follow the terminal block manufacturer’s mounting and torque guidelines, use appropriate personal protective equipment during installation, and perform routine inspections to ensure continued secure electrical contact.

## FAQ

### How much does the Siemens busbar terminal 5ST3744 cost, and is it available for purchase?

The price is 157.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 30.07.2026 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 Siemens busbar terminal 5ST3744 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 Siemens 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 Siemens 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/1780932/47648168_large.webp