# Siemens 5ST3731 1-Phase Busbar 10 mm² 63A 1016 mm

**URL:** https://aio.lv/en/product--siemens-5st3731--1510519
**Data updated:** 2026-05-18 02:46 (EEST)
**Category:** Power Sockets
**Manufacturer:** Siemens
**Manufacturer code:** 5ST3731
**EAN:** 4001869313009
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 20.99 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 17.35 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-5st3731--1510519

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

The Siemens 5ST3731 is a 1-phase pin-type busbar designed for efficient power distribution in electrical installations. With a cross-section of 10 mm² and a rated current of 63A, this 1016 mm long busbar is suitable for connecting modular devices. Manufactured in Germany, it ensures high reliability and safety for professional electrical distribution systems.

## Long description

The Siemens 5ST3731 is a professional-grade 1-phase pin-type busbar engineered for reliable power distribution within electrical distribution boards. Measuring 1016 mm in length, this busbar provides a robust solution for connecting modular devices efficiently. It features a cross-section of 10 mm² and is rated for a current of 63A, ensuring stable performance in demanding electrical installations.
Advantages
This busbar offers significant time savings during installation by eliminating the need for complex individual wiring between modular components. Its touch-safe design enhances operational safety, reducing the risk of accidental contact during maintenance. The ability to cut the busbar to the required length provides maximum flexibility for various enclosure sizes and configurations, making it a versatile component for professional electrical setups.
Suitable for
Connecting miniature circuit breakers in distribution boards
Power distribution in residential and commercial electrical systems
Modular device installations requiring 1-phase supply
This busbar may not be suitable for 3-phase electrical systems or applications requiring a higher cross-section than 10 mm². It is also not intended for use in environments where the rated current exceeds 63A.
Key specifications
Type: 1-phase pin-type busbar
Cross-section: 10 mm²
Rated current: 63A
Length: 1016 mm
Color: Grey
Design: Touch-safe
To use the Siemens 5ST3731, measure the required length for your specific distribution board layout and cut the busbar accordingly. Ensure that the cut ends are properly insulated if necessary. Insert the pins into the terminals of the modular devices and tighten the terminal screws securely to ensure a low-resistance connection. Verify that the busbar is seated correctly and that all connections are firm before energizing the system.
What to consider before purchase
Verify that your modular devices are compatible with pin-type busbars
Ensure the 10 mm² cross-section meets your circuit requirements
Check if additional end caps are required for your specific installation safety standards
Always ensure the power supply is completely disconnected before installing or modifying the busbar. Use appropriate tools for cutting and follow local electrical safety regulations during installation.

## Specifications

| Feature | Value |
|---|---|
| Type | 1P |
| 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 5ST3731 1-Phase Busbar cost, and is it available for purchase?

The price is 20.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 08.07.2026 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 5ST3731 1-Phase 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/1510519/57987505_large.webp