# Siemens 3RH2140-1AB00 Auxiliary Contactor for Industrial Control

The **Siemens 3RH2140-1AB00** is a reliable auxiliary contactor designed for demanding industrial control applications. This component ensures seamless operation within automation systems providing essential switching functions. Its robust construction guarantees long-term performance even in challenging environments making it a trusted choice for system integrators and maintenance professionals.

Engineered for precision and durability the **Siemens 3RH2140-1AB00** auxiliary contactor is ideal for integrating into complex control circuits. It facilitates reliable signal transmission and control logic within automated processes offering dependable operation for critical machinery. This device is a key element for maintaining the efficiency and safety of industrial automation infrastructure.

-   **High Reliability** for consistent operation in automation tasks
-   **Durable Construction** built to withstand industrial environments
-   **Efficient Switching** ensuring precise control signal management
-   **Broad Compatibility** integrates easily with existing Siemens control systems
-   **Compact Design** for space-saving installation in control panels

**Specifications**

Contact Configuration: 4 NO  
Rated operational voltage: 230 V AC  
Rated control circuit voltage: 230 V AC  
Connection type: Spring-loaded terminals

Choose the **Siemens 3RH2140-1AB00** for your industrial automation needs and experience the benefits of Siemens' renowned engineering. Enhance your control systems with this dependable auxiliary contactor.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Control Components > Contactors
- **Tags:** Automation Components, Auxiliary Contactor, Control Systems, Industrial Control, Siemens 3RH2140-1AB00, Siemens Contactor, Siemens Industrial

## 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-3rh2140-1ab00-contactor)
> Updated: 2026-09-01