# Siemens 3RH2140-1AV00 3-Phase Auxiliary Contactor for Industrial Control

The Siemens 3RH2140-1AV00 is a high-performance 3-phase auxiliary contactor designed for reliable operation within industrial automation systems. This essential component facilitates the control and switching of electrical circuits, ensuring seamless integration into complex machinery and control panels. Its robust construction and advanced engineering make it a dependable choice for demanding applications where precision and durability are paramount.

Engineered for efficiency and safety, the Siemens 3RH2140-1AV00 operates with exceptional reliability in various automation scenarios. It is suitable for use in motor control circuits, signaling systems, and interlocking functions, providing critical switching capabilities. This contactor supports advanced control systems, offering secure and stable electrical connections for efficient power management and operational continuity.

-   **Enhanced Performance**: Delivers consistent and reliable switching operations for critical industrial processes.
-   **Durable Construction**: Built to withstand harsh industrial environments, ensuring long-term service life.
-   **Seamless Integration**: Designed for easy installation and compatibility with existing Siemens automation infrastructure.
-   **Efficient Control**: Provides precise electrical control for a wide range of automation applications.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Control Components > Contactors
- **Tags:** 3-phase contactor, automation component, auxiliary contactor, electrical switching, industrial control, Siemens 3RH2140-1AV00, Siemens control

## 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-3rh2140-1av00-contactor)
> Updated: 2026-09-01