# Siemens 3RH2122-2AH00 Auxiliary Contactor 24V AC Industrial Control

The **Siemens 3RH2122-2AH00** is a reliable auxiliary contactor designed for demanding industrial automation applications. This component ensures efficient control and switching operations within complex electrical systems. Its robust construction and advanced technology provide superior performance and longevity, making it an essential part of modern control circuits. For industrial control products and automation use, the Siemens 3RH2122-2AH00 is a trusted choice.

Engineered for seamless integration into various control systems, the **Siemens 3RH2122-2AH00** offers precise electrical switching. It operates effectively with a **24V AC** coil voltage, supporting versatile power configurations. This device is crucial for expanding the functionality of motor starters and control panels, offering dependable protection and operational continuity. It is an ideal solution for automation use and advanced control systems.

-   **High Performance**: Delivers reliable switching for critical automation tasks.
-   **Durable Construction**: Built to withstand harsh industrial environments.
-   **Efficient Operation**: Ensures energy-saving and precise control.
-   **Wide Compatibility**: Integrates smoothly with existing Siemens control systems.
-   **Enhanced Reliability**: Provides stable and consistent performance for extended periods.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Control Components > Contactors
- **Tags:** 24V AC, 3RH2122-2AH00, Automation Components, Auxiliary Contactor, Control Systems, Industrial Control, Siemens, Siemens Contactor

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 999.00 USD | In stock |

## Images

- Siemens 3RH2122-2AH00 Auxiliary Contactor 24V AC Industrial Control-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3rh2122-2ah00-contactor)
> Updated: 2026-10-12