# Siemens 3RV29174B 3-Phase Busbar Extension Connector for 3RV2 Circuit Breakers

**URL:** https://aio.lv/en/product--siemens-3rv29174b--1781080
**Data updated:** 2026-05-18 02:40 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** Siemens
**Manufacturer code:** 3RV29174B
**EAN:** 4011209719040
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 117.99 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 97.51 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rv29174b--1781080

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Courier delivery to door | 16.07.2026 | 53.99 EUR |

## Summary description

The Siemens 3RV29174B is a 3-phase busbar extension connector designed for use with 3RV2 circuit breakers in sizes S00 and S0. This component facilitates the modular expansion of power distribution systems, ensuring reliable electrical connectivity and safety. It includes an end cover, making it an essential accessory for professional industrial electrical installations requiring efficient and secure busbar configurations.

## Long description

The Siemens 3RV29174B is a high-quality 3-phase busbar extension connector specifically engineered for seamless integration with Siemens 3RV2 circuit breakers in sizes S00 and S0. This component serves as a critical link in modular power distribution systems, allowing for the efficient connection of multiple circuit breakers to a common power supply. By streamlining the wiring process, it ensures a clean, organized, and reliable electrical configuration within industrial control panels and distribution boards.
Advantages
This busbar extension connector offers significant benefits for electrical panel builders and maintenance professionals. Its primary advantage lies in the reduction of complex wiring, which minimizes the risk of connection errors and improves overall system reliability. The inclusion of an end cover provides an essential safety feature, protecting exposed connections and ensuring compliance with industrial safety standards. The modular design allows for rapid installation and easy expansion of existing setups, making it a versatile solution for various power distribution requirements.
Suitable for
Industrial control panels and automation systems
Power distribution boards using 3RV2 circuit breakers
Modular electrical installations requiring multi-breaker connectivity
Professional electrical maintenance and system upgrades
When it may not be suitable
This connector is specifically designed for use with Siemens 3RV2 circuit breakers in sizes S00 and S0. It is not compatible with other circuit breaker series or different physical sizes. Furthermore, it is intended for 3-phase systems and cannot be used in applications requiring different phase configurations or non-standard busbar spacing.
Key specifications
Compatibility: Siemens 3RV2 circuit breakers (sizes S00 and S0)
System type: 3-phase
Included components: End cover
Application: Modular busbar expansion
How to use
To install the Siemens 3RV29174B, ensure that the power supply to the distribution system is completely disconnected. Align the busbar connector with the terminals of the 3RV2 circuit breakers. Secure the connector firmly to ensure proper electrical contact. Once the desired number of breakers is connected, attach the included end cover to the final terminal to prevent accidental contact and ensure the safety of the installation. Verify all connections for tightness before restoring power to the system.
What to consider before purchase
Verify that your circuit breakers are of the 3RV2 series in size S00 or S0.
Ensure your system configuration requires a 3-phase busbar connection.
Check the physical space available in your enclosure to accommodate the busbar extension.
Always follow local electrical codes and manufacturer guidelines when installing industrial electrical components to ensure safety and optimal performance.

## FAQ

### How much does the Siemens 3RV29174B 3-Phase Busbar Extension Connector cost, and is it available for purchase?

The price is 117.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 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 13.07.2026 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 3RV29174B 3-Phase Busbar Extension Connector 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/1781080/47503680_large.webp