# Siemens 3RH2140-1BA40 Auxiliary Contactor for Industrial Control

The Siemens **3RH2140-1BA40** is a vital component for robust industrial automation systems, offering reliable auxiliary control functions. This Siemens contactor is engineered for demanding applications, ensuring seamless integration into control circuits and providing essential operational support. Its design prioritizes durability and performance, making it a trusted choice for critical industrial processes.

Engineered for precision and longevity, the Siemens **3RH2140-1BA40** operates efficiently within complex control systems. It is designed to handle specific voltage and current requirements typical in industrial automation, safeguarding operations and enhancing system stability. For professionals seeking dependable industrial control products, this Siemens part number represents a commitment to quality and advanced engineering.

-   High **performance** in demanding industrial environments
-   **Durable** construction for extended operational life
-   **Efficient** integration into existing control architectures
-   Guaranteed **compatibility** with Siemens automation solutions
-   Designed for **reliable** auxiliary control functions

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Control Components > Contactors
- **Tags:** automation components, control systems, industrial control products, Siemens 3RH2140-1BA40, Siemens auxiliary contactor, Siemens contactor

## Variants

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

## Images

- Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3rh2140-1ba40-contactor)
> Updated: 2026-09-01