# Siemens 3RH2911-1FA22 Auxiliary Switch Block, 2NO + 2NC, Front-Mounted

**URL:** https://aio.lv/en/product--siemens-3rh2911-1fa22--1796319
**Data updated:** 2026-05-18 02:39 (EEST)
**Category:** Printer & Copier Parts
**Manufacturer:** Siemens
**Manufacturer code:** 3RH2911-1FA22
**EAN:** 4011209878174
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 17.49 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 14.45 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rh2911-1fa22--1796319

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Siemens 3RH2911-1FA22 is a high-quality auxiliary switch block designed for reliable switching operations. Featuring a 2NO + 2NC contact configuration, this front-mounted module is compatible with Siemens contactors of sizes S00 and S0. It is an essential component for industrial automation and control systems, ensuring precise signal feedback and operational safety in various electrical switching applications.

## Long description

The Siemens 3RH2911-1FA22 auxiliary switch block is a precision-engineered component designed to extend the functionality of industrial contactors. This front-mounted module provides reliable signal feedback by adding extra switching capacity to your existing control systems. Built to meet rigorous industrial standards, it ensures consistent performance and operational safety in demanding electrical environments.
Advantages
This auxiliary switch block offers seamless integration with Siemens contactors of sizes S00 and S0, allowing for quick and efficient installation without the need for complex modifications. Its robust design ensures long-term durability and high contact reliability, which is critical for maintaining the integrity of automated control circuits. The front-mounted configuration saves valuable space within control cabinets, making it an ideal choice for compact electrical panel designs.
Suitable for
Industrial automation systems
Control circuit monitoring
Signal feedback applications
Electrical interlocking systems
When it may not be suitable
This module is specifically designed for use with compatible Siemens S00 and S0 contactors. It is not suitable for use with contactors from other manufacturers or different frame sizes, as the mechanical mounting and electrical interface will not align correctly.
Key specifications
Contact configuration: 2 Normally Open (NO) + 2 Normally Closed (NC)
Mounting type: Front-mounted
Compatibility: Siemens contactors sizes S00 and S0
How to use
To install the auxiliary switch block, ensure that the power supply to the contactor is completely disconnected. Align the module with the front interface of the compatible Siemens contactor and press it firmly until it clicks into place. Once secured, connect the control wiring to the designated terminals according to your circuit diagram. Verify that all connections are tight and that the switch operates smoothly before restoring power to the system.
What to consider before purchase
Verify the size of your existing contactor (S00 or S0)
Ensure the contact configuration (2NO + 2NC) meets your control requirements
Check available space on the front of the contactor for mounting
Usage recommendations
Regularly inspect the terminal connections for tightness and ensure the contact surfaces remain free from dust or debris to maintain optimal electrical conductivity and system reliability.

## FAQ

### How much does the Siemens 3RH2911-1FA22 Auxiliary Switch Block cost, and is it available for purchase?

The price is 17.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 140 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 14.07.2026 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

## Image

https://aio.lv/img/cache/product/1796319/52367504_large.webp