# Siemens 3RH2140-1AU00 Auxiliary Contactor Industrial Control

The **Siemens 3RH2140-1AU00** is a vital industrial control component designed for reliable operation in automation systems. This auxiliary contactor ensures seamless integration into complex electrical circuits, providing essential switching functions for machinery and control panels. Its robust construction guarantees performance in demanding industrial environments.

Engineered for efficiency and durability, the **Siemens 3RH2140-1AU00** operates within specific voltage and current parameters, making it suitable for various automation applications. It is a key element in sophisticated control systems, offering protection and operational control. This part number is recognized for its dependability in industrial settings.

-   **High Performance**: Ensures consistent and reliable switching operations.
-   **Durable Construction**: Built to withstand harsh industrial conditions.
-   **Broad Compatibility**: Integrates easily with existing Siemens automation infrastructure.
-   **Efficient Operation**: Contributes to optimized energy usage in control circuits.

This **Siemens 3RH2140-1AU00** component is essential for maintaining operational integrity in industrial automation. Trust in the quality and engineering of Siemens for your critical control needs. Consider this part for your next automation project.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Control Components > Contactors
- **Tags:** automation component, auxiliary contactor, control systems, industrial control, Ram Automations, Siemens 3RH2140-1AU00, Siemens contactor

## Variants

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

## Images

- Siemens 3RH2140-1AU00 Auxiliary Contactor Industrial Control-Ram Automations

---

> Source: [Ram Automations](https://ramautomations.com/products/siemens-3rh2140-1au00-contactor)
> Updated: 2026-10-12