# Siemens 3RH1911-1GA04-3AA1 Auxiliary Contact Block - 4NO/4NC

Enhance the performance and reliability of your electrical systems with the **Siemens 3RH1911-1GA04-3AA1 Auxiliary Contact Block**. This crucial component, designed for industrial and commercial applications, is engineered to provide dependable auxiliary contacts for your control circuits. Manufactured by Siemens, a leader in electrical solutions, this contact block offers a robust and effective solution for a wide range of needs.

The **3RH1911-1GA04-3AA1** features an IEC-12 rating of 10A and a maximum operational voltage of 690V, ensuring compatibility with demanding applications. It includes 4 normally open (NO) and 4 normally closed (NC) contacts, providing flexibility in circuit design. This contact block is part of the Siemens 3RH1911 series and is manufactured to meet rigorous quality standards.

-   **Reliable Performance**: Designed for continuous operation in industrial environments.
-   **Versatile Application**: Ideal for use in motor starters, contactors, and control relays.
-   **High Quality**: Manufactured in the Czech Republic, ensuring high standards.
-   **Easy Installation**: Lightweight design for quick and straightforward setup.
-   **Enhanced Safety**: Provides crucial auxiliary contacts for safe and efficient operation.

**Specifications**: This auxiliary contact block is equipped with A600/Q600 auxiliary contacts rated at 10A/240V. Its compact design allows for easy integration into existing setups. This part weighs only 60 grams, making it easy to handle and install. The **Siemens 3RH1911-1GA04-3AA1 Auxiliary Contact Block** is an excellent choice for improving the functionality and safety of your electrical systems.

Trust in the **Siemens** brand for dependable and efficient electrical components. The **3RH1911-1GA04-3AA1** is designed to meet the demands of industrial automation. Use it to enhance the reliability and performance of your systems. For any inquiries, contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Electrical Components > Contactors & Relays > Auxiliary Contact Blocks
- **Tags:** 3RH1911-1GA04-3AA1, auxiliary contact block, contact block, electrical control, industrial automation, Siemens

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Used | 999.00 USD | In stock |

## Images

- Siemens 3RH1911-1GA04-3AA1 Auxiliary Contact Block - 4NO/4NC-Ram Automations

---

> Source: [Ram Automations](https://ramautomations.com/products/siemens-3rh1911-1ga04-3aa1-contact-block)
> Updated: 2026-10-03