# Siemens 3RH2122-1AP00 Auxiliary Contactor, 230V AC, 2NO + 2NC

**URL:** https://aio.lv/en/product--siemens-3rh2122-1ap00--1796173
**Data updated:** 2026-05-18 02:39 (EEST)
**Category:** Printer & Copier Parts
**Manufacturer:** Siemens
**Manufacturer code:** 3RH2122-1AP00
**EAN:** 4011209786622
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 37.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 31.40 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rh2122-1ap00--1796173

## 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 3RH2122-1AP00 is a high-reliability auxiliary contactor designed for industrial control circuits. It features a 230V AC control voltage and is equipped with 2 normally open (NO) and 2 normally closed (NC) contacts. This S00 size contactor is ideal for switching control signals in automation systems, ensuring precise operation and long service life in demanding electrical environments.

## Long description

The Siemens 3RH2122-1AP00 auxiliary contactor is a robust and reliable switching component engineered for industrial control circuits. Designed for seamless integration into automation systems, this S00 size contactor operates with a 230V AC control voltage and provides a versatile configuration of 2 normally open (NO) and 2 normally closed (NC) contacts. Its compact design and high-quality construction ensure consistent performance and longevity in demanding electrical environments.
Advantages
This auxiliary contactor offers exceptional reliability for switching control signals, making it a dependable choice for complex industrial automation tasks. The S00 size allows for space-efficient installation in control cabinets, while the standardized contact configuration provides flexibility for various circuit designs. Built to withstand rigorous industrial conditions, it ensures precise operation and minimizes maintenance requirements over its extended service life.
Suitable for
Industrial automation and control systems
Switching control signals in electrical panels
Integration into machine control circuits
Applications requiring reliable auxiliary contact switching
When it may not be suitable
This device is not intended for switching high-power main circuits or heavy-duty motor loads, as it is specifically designed for auxiliary control signals. It is also not suitable for applications requiring DC control voltages, as this specific model is optimized for 230V AC operation.
Key specifications
Control voltage: 230V AC
Contact configuration: 2 normally open (NO) and 2 normally closed (NC)
Size: S00
Application: Auxiliary control circuits
How to use
The contactor should be mounted on a standard DIN rail within a control cabinet. Ensure that the control circuit voltage matches the 230V AC rating of the coil before making electrical connections. Wiring should be performed by qualified personnel according to the provided terminal diagrams, ensuring all connections are tightened to the specified torque to prevent loose contacts.
What to consider before purchase
Verify that your control circuit voltage is 230V AC
Ensure the contact configuration (2NO + 2NC) meets your specific circuit requirements
Check available space in your control cabinet for S00 size components
Usage recommendations
Always ensure the power supply is disconnected before installation or maintenance. Regularly inspect terminal connections for tightness and ensure the environment remains within the specified temperature and humidity ranges for optimal performance.

## FAQ

### How much does the Siemens 3RH2122-1AP00 Auxiliary Contactor cost, and is it available for purchase?

The price is 37.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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

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