# Siemens 3RH2140-1JB40 Auxiliary Contactor for Industrial Control

The Siemens **3RH2140-1JB40** is a high-performance auxiliary contactor designed for robust industrial automation applications. This component ensures reliable control and signaling within complex electrical systems, offering enhanced operational efficiency and safety. Its advanced design makes it a crucial element for maintaining seamless production lines and critical infrastructure.

Engineered for demanding environments, the Siemens **3RH2140-1JB40** integrates seamlessly into various control systems. It provides essential switching functions for automation tasks, contributing to the precise management of machinery. For users seeking dependable industrial control products, this Siemens contactor delivers exceptional performance and longevity.

-   **Reliable Performance**: Built for consistent operation in industrial settings.
-   **Durable Construction**: Ensures long-term functionality and resistance to harsh conditions.
-   **Seamless Integration**: Compatible with a wide range of Siemens automation solutions.
-   **Enhanced Control**: Facilitates precise electrical switching for automation processes.
-   **Safety Assurance**: Contributes to the overall safety of electrical control systems.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Control Components > Contactors
- **Tags:** automation components, auxiliary contactor, electrical control, industrial control, Ram Automations, Siemens 3RH2140-1JB40, Siemens contactor

## Variants

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

## Images

- Siemens 3RH2140-1JB40 Auxiliary Contactor for Industrial Control-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3rh2140-1jb40-contactor)
> Updated: 2026-10-12