# Siemens 5ST3740 3-Phase Pin Busbar 10 mm2 1016 mm

**URL:** https://aio.lv/en/product--siemens-5st3740--1510524
**Data updated:** 2026-05-18 02:46 (EEST)
**Category:** Power Sockets
**Manufacturer:** Siemens
**Manufacturer code:** 5ST3740
**EAN:** 4001869313085
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 50.99 €
**Prices and availability valid until:** 2026-08-01 23:59
**Price without VAT (21%):** 42.14 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-5st3740--1510524

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 21.07.2026 | free |
| Pickup points | 24.07.2026 | 1.89 EUR |
| Courier delivery to door | 24.07.2026 | 4.99 EUR |

## Summary description

The Siemens 5ST3740 is a 3-phase pin-type busbar designed for efficient power distribution in electrical installations. With a cross-section of 10 mm2 and a length of 1016 mm, this busbar supports 57 modules and is suitable for cutting to size. Manufactured in Germany, this high-quality component ensures reliable electrical connections for modular devices in industrial and residential distribution boards.

## Long description

The Siemens 5ST3740 is a professional-grade 3-phase pin-type busbar engineered for streamlined power distribution within electrical panels. Measuring 1016 mm in length with a 10 mm2 cross-section, this component is designed to facilitate the connection of modular devices in both industrial and residential distribution boards. Its robust construction ensures consistent electrical conductivity and long-term reliability for complex wiring configurations.
Advantages
This busbar offers a significant reduction in installation time by eliminating the need for individual wire jumpers between circuit breakers. The pin-type design provides a secure and stable contact interface, minimizing the risk of loose connections. Its ability to be cut to size allows for maximum flexibility during assembly, ensuring it fits perfectly into various enclosure layouts while maintaining high safety standards for touch-safe operation.
Suitable for
Connecting modular devices in distribution boards
Industrial electrical installations
Residential power distribution systems
Configurations requiring 3-phase power supply
When it may not be suitable
This busbar is not suitable for applications requiring a cross-section larger than 10 mm2 or for systems that do not utilize standard pin-type modular device terminals. It is also not intended for use in environments where specific end caps are mandatory for safety compliance, as these are not included with the product.
Key specifications
Phase configuration: 3-phase
Cross-section: 10 mm2
Total length: 1016 mm
Capacity: 57 modules
Design: Pin-type
Color: Grey
How to use
To install the busbar, first measure the required length based on the number of modular devices in your distribution board. Carefully cut the busbar to the desired size using appropriate metal-cutting tools, ensuring that the cut edges are clean and free of burrs. Insert the pins into the corresponding terminals of the modular devices. Ensure that all connections are fully seated and tightened according to the manufacturer's torque specifications for the connected devices.
What to consider before purchase
Verify that the 10 mm2 cross-section meets the current requirements of your electrical circuit.
Ensure your modular devices are compatible with pin-type busbars.
Note that end caps are not included and may need to be purchased separately if required by local regulations.
Confirm the total number of modules needed to ensure the 1016 mm length is sufficient.
Usage recommendations
Always ensure the power supply is completely disconnected before performing any installation or modification work on the distribution board. Use appropriate personal protective equipment and follow all local electrical safety codes during installation.

## Specifications

| Feature | Value |
|---|---|
| Type | 3P |
| Length | 1016 mm |
| Current | 63 A |

### Packaging data

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

### Design

| Feature | Value |
|---|---|
| Product colour | Grey |

### Logistics data

| Feature | Value |
|---|---|
| Country of origin | Germany |

## FAQ

### How much does the Siemens 5ST3740 3-Phase Pin Busbar cost, and is it available for purchase?

The price is 50.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 22 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 21.07.2026 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 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Siemens 5ST3740 3-Phase Pin Busbar?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/1510524/57987506_large.webp