# Siemens 5ST3703 Single-Phase Busbar 16mm² 1016mm

**URL:** https://aio.lv/en/product--siemens-5st3703--1510513
**Data updated:** 2026-05-18 02:46 (EEST)
**Category:** Power Sockets
**Manufacturer:** Siemens
**Manufacturer code:** 5ST3703
**EAN:** 4001869209241
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 26.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 22.31 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-5st3703--1510513

## 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 5ST3703 is a high-quality single-phase comb busbar designed for efficient power distribution in electrical installations. With a cross-section of 16mm² and a total length of 1016mm, this busbar ensures reliable connectivity for circuit breakers and modular devices. It is an essential component for professional electrical panel assembly, providing a secure and organized way to distribute current across multiple units.

## Long description

The Siemens 5ST3703 is a professional-grade single-phase comb busbar engineered for reliable and efficient power distribution within electrical distribution boards. Designed to facilitate the connection of modular devices and circuit breakers, this busbar provides a robust and organized solution for managing electrical current. With a cross-section of 16mm² and a total length of 1016mm, it offers sufficient capacity and reach for various installation configurations, ensuring consistent performance and safety in electrical systems.
Advantages
The primary benefit of this busbar is its ability to streamline the installation process by replacing individual wire jumpers with a single, integrated component. This significantly reduces the time required for assembly while minimizing the risk of loose connections or wiring errors. The high-quality construction ensures excellent conductivity and durability, contributing to the long-term reliability of the electrical panel. Its standardized design allows for seamless integration with compatible modular equipment, promoting a clean and professional layout within the enclosure.
Suitable for
Power distribution in residential and commercial electrical panels
Connecting multiple miniature circuit breakers in a single-phase configuration
Organizing modular device installations to improve maintenance access
Professional electrical cabinet assembly and retrofitting
When it may not be suitable
This busbar is specifically designed for single-phase applications and cannot be used for three-phase systems. It is also not suitable for installations requiring a cross-section larger than 16mm² or for devices that do not support standard comb busbar connections.
Key specifications
Phase configuration: Single-phase
Cross-section: 16mm²
Total length: 1016mm
Design: Comb type
How to use
To install the busbar, first ensure that the main power supply to the distribution board is completely disconnected. Measure the required length and cut the busbar if necessary, ensuring that the ends are properly insulated with end caps to prevent accidental contact. Align the comb teeth with the terminals of the circuit breakers or modular devices. Insert the teeth securely into the terminals and tighten the screws to the manufacturer-specified torque to ensure a firm electrical connection. Verify that all connections are secure before restoring power.
What to consider before purchase
Verify that the current rating of your circuit breakers matches the 16mm² capacity of the busbar
Ensure the total length of 1016mm is sufficient for your specific panel layout
Confirm that your modular devices are compatible with comb-style busbar connections
Check if additional end caps are required for your specific installation safety standards
Usage recommendations
Always adhere to local electrical codes and safety regulations when installing power distribution components. It is recommended to use appropriate end caps to cover exposed copper ends to maintain safety standards and prevent short circuits.

## Specifications

| Feature | Value |
|---|---|
| Number of terminals | 1 |

### Design

| Feature | Value |
|---|---|
| Product colour | Multicolour |

## FAQ

### How much does the Siemens 5ST3703 Single-Phase Busbar cost, and is it available for purchase?

The price is 26.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 7 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.

## Image

https://aio.lv/img/cache/product/1510513/57987504_large.webp