# Siemens 3RH2122-2UB40 Auxiliary Contactor for Industrial Automation

The Siemens **3RH2122-2UB40** is a high-performance auxiliary contactor designed for robust integration into industrial automation systems. This component ensures reliable control and signaling within complex machinery and electrical circuits, offering key advantages in operational efficiency and system stability. Its application spans various manufacturing environments and control panels where dependable switching is paramount. This Siemens **3RH2122-2UB40** is a crucial element for maintaining system integrity.

Engineered for demanding industrial use the Siemens **3RH2122-2UB40** operates seamlessly within established control systems. It is built to handle specific voltage and current requirements common in automation applications providing consistent performance. This device is essential for electricians and automation engineers seeking dependable components for control logic and interlocking functions. The Siemens **3RH2122-2UB40** is designed for long service life.

-   Ensures dependable switching operations for industrial control circuits.
-   Built with high-quality materials for enhanced durability and longevity.
-   Optimized for seamless integration with Siemens automation platforms.
-   Provides critical signaling and interlocking functions within automated processes.
-   Robust design suitable for demanding factory environments.

**Specifications:**

-   Model: Siemens 3RH2122-2UB40
-   Type: Auxiliary Contactor
-   Application: Industrial Automation Control
-   Contact Configuration: (Details typically found on datasheet not provided in source)
-   Voltage Rating: (Details typically found on datasheet not provided in source)
-   Current Rating: (Details typically found on datasheet not provided in source)

Invest in the reliability and performance of Siemens automation components. The Siemens **3RH2122-2UB40** auxiliary contactor is a trusted solution for your industrial control needs. Secure your operations with dependable switching technology.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Control Components > Contactors
- **Tags:** Automation Systems, Auxiliary Contactor, Control Components, Electrical Control, Industrial Automation, Siemens 3RH2122-2UB40, Siemens Contactor, Siemens Control Products

## Variants

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

## Images

- Siemens 3RH2122-2UB40 Auxiliary Contactor for Industrial Automation-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3rh2122-2ub40-contactor)
> Updated: 2026-10-12