# Siemens 3RH2244-1BB40 Auxiliary Contactor, 4NO+4NC, 24V DC, Size S00

**URL:** https://aio.lv/en/product--siemens-3rh22441bb40--1801926
**Data updated:** 2026-05-18 02:44 (EEST)
**Category:** Computer Component Accessories
**Manufacturer:** Siemens
**Manufacturer code:** 3RH22441BB40
**EAN:** 4011209828124
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 68.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 57.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rh22441bb40--1801926

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The Siemens 3RH2244-1BB40 is a high-reliability auxiliary contactor designed for industrial control circuits. Featuring 4 normally open (NO) and 4 normally closed (NC) contacts, this size S00 device operates on a 24V DC control voltage. It is engineered for seamless integration into automation systems, providing robust switching performance and long-term durability in demanding electrical environments.

## Long description

The Siemens 3RH2244-1BB40 auxiliary contactor is a high-performance switching component engineered for reliable operation in industrial control circuits. Built in the compact S00 size, this device provides a robust solution for managing control signals within complex automation systems. It features a configuration of 4 normally open and 4 normally closed contacts, ensuring versatile connectivity for various electrical switching requirements while operating on a 24V DC control voltage.
Advantages
This auxiliary contactor stands out due to its high operational reliability and long service life, even in demanding industrial environments. Its compact S00 design allows for space-efficient installation in control cabinets, making it an ideal choice for modern automation setups. The device is designed for seamless integration with other Siemens control components, ensuring consistent performance and simplified maintenance procedures throughout the lifecycle of the electrical system.
Suitable for
Industrial automation and control systems
Signal processing in electrical panels
Switching of auxiliary circuits in machinery
Integration into complex relay logic circuits
This contactor may not be suitable for applications requiring high-power load switching, as it is specifically designed for auxiliary control circuits rather than main power distribution. It is also not intended for use in environments exceeding its specified temperature or voltage ratings.
Key specifications
Contact configuration: 4 normally open (NO) and 4 normally closed (NC)
Control voltage: 24V DC
Size: S00
Application: Auxiliary control circuits
To use the Siemens auxiliary contactor, mount the device onto a standard DIN rail or a flat surface within your control cabinet. Connect the 24V DC control supply to the designated coil terminals and wire your control signals to the appropriate NO and NC contact terminals. Ensure all connections are tightened according to the manufacturer's torque specifications to prevent loose contacts and potential overheating.
What to consider before purchase
Verify that the 24V DC control voltage matches your system requirements
Ensure the S00 size fits within your existing control panel layout
Confirm that the 4NO+4NC contact configuration meets your specific logic needs
For optimal performance and safety, always ensure that the device is installed by qualified personnel and that the electrical circuit is de-energized before performing any wiring or maintenance tasks.

## FAQ

### How much does the Siemens 3RH2244-1BB40 Auxiliary Contactor cost, and is it available for purchase?

The price is 68.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 09.07.2026 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

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