# Siemens 3RH2140-2BA40 Auxiliary Contactor Industrial Control

The Siemens **3RH2140-2BA40** is a vital component for advanced **industrial automation** and control systems. This auxiliary contactor ensures reliable operation in demanding manufacturing environments, providing essential switching capabilities for complex machinery. Its robust design offers superior performance and longevity, making it a trusted choice for critical applications.

Engineered for precision and durability, the Siemens **3RH2140-2BA40** is designed to integrate seamlessly into existing **control systems**. It operates efficiently within specified voltage and current parameters, offering dependable functionality for motor control circuits and other automation tasks. This component is built to withstand harsh industrial conditions, ensuring consistent operation and minimizing downtime in your automation setup.

-   High performance for **industrial automation** tasks
-   Durable construction for extended operational life
-   Reliable switching for control system integration
-   Designed for compatibility with Siemens automation products
-   Efficient operation in demanding environments

### Specifications

Rated operational voltage and current details available upon request. Consult product documentation for precise technical specifications.

Choose the Siemens **3RH2140-2BA40** for dependable performance in your industrial automation projects. Trust in Siemens quality for your critical control needs.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Control Components > Auxiliary Contactors
- **Tags:** automation components, control systems, electrical control, industrial control, manufacturing equipment, Siemens 3RH2140-2BA40, Siemens auxiliary contactor

## Variants

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

## Images

- Siemens 3RH2140-2BA40 Auxiliary Contactor Industrial Control-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3rh2140-2ba40-contactor)
> Updated: 2026-10-12