# Siemens 3RH2122-1BB40 Auxiliary Contactor Relay 24VDC

The Siemens 3RH2122-1BB40 is a high-performance auxiliary contactor relay designed for robust industrial automation applications. This essential component ensures reliable operation in control systems, providing critical switching functions with exceptional durability. Its advanced design offers superior performance for demanding environments.

Engineered for seamless integration into modern control panels, the Siemens 3RH2122-1BB40 operates efficiently with a 24VDC coil voltage. It is ideal for complex automation tasks, offering stable control and protection features within electrical circuits. This relay is a trusted choice for maintaining system integrity and operational continuity in industrial settings.

-   **High Reliability**: Ensures consistent performance in critical automation processes.
-   **Durable Construction**: Built to withstand harsh industrial conditions.
-   **Efficient Operation**: Optimized for low power consumption with 24VDC coil.
-   **Broad Compatibility**: Integrates smoothly with existing Siemens control systems and other automation equipment.

### Specifications:

-   Coil Voltage 24VDC
-   Auxiliary Contact Configuration 2 NO 2 NC
-   Mounting Type DIN Rail
-   IP Rating IP20

Experience the unparalleled reliability and efficiency of Siemens industrial control products. The Siemens 3RH2122-1BB40 is engineered for professionals who demand the best in automation technology. Secure your control system’s integrity by choosing this superior contactor relay.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Control Components > Relays
- **Tags:** 24VDC Relay, Automation Control, Auxiliary Contactor, Control Systems, Electrical Components, Industrial Automation, Siemens 3RH2122-1BB40, Siemens Contactor Relay

## 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-3rh2122-1be40-industrial-control-products)
> Updated: 2026-09-01