# SIEMENS 3RH1131-1KB40 SIRIUS Auxiliary Contactor 10A 600V AC DC 17-30V

The **SIEMENS 3RH1131-1KB40** SIRIUS Auxiliary Contactor is a vital component for reliable industrial automation and control systems. Designed for demanding environments, this contactor ensures efficient operation in a wide range of applications, offering dependable switching capabilities. Its robust construction and advanced design make it an ideal choice for critical machinery and electrical circuits requiring precise control and safety. This SIEMENS contactor provides essential functionality for complex automation setups.

Engineered for performance, the **SIEMENS 3RH1131-1KB40** operates with a 10A current rating and supports 600V AC DC voltages. It features a control circuit voltage of 17-30V AC DC, making it versatile for various power configurations. The contactor is built with 3 normally open (NO) and 1 normally closed (NC) contacts, providing flexible integration into control logic. It is an indispensable part of modern industrial automation solutions, supporting sophisticated control systems and ensuring operational continuity. Its design prioritizes efficiency and long-term reliability for industrial automation needs.

-   **High Reliability**: Ensures consistent performance in industrial automation tasks.
-   **Versatile Application**: Suitable for a broad spectrum of control system requirements.
-   **Durable Construction**: Built to withstand demanding operational conditions.
-   **Precise Switching**: Offers 3 NO and 1 NC contacts for accurate control.
-   **Wide Voltage Compatibility**: Supports 600V AC DC with a 17-30V AC DC control circuit.

### Specifications

Brand SIEMENS  
Part Number 3RH1131-1KB40  
Series SIRIUS  
Contact Configuration 3 NO 1 NC  
Operational Voltage 600V AC DC  
Control Voltage 17-30V AC DC  
Current Rating 10A

The **SIEMENS 3RH1131-1KB40** SIRIUS Auxiliary Contactor exemplifies SIEMENS commitment to quality and innovation in industrial automation. Trust in this component to enhance the performance and stability of your control systems. Explore the difference that SIEMENS reliability brings to your operations.

## Details

- **Price:** 999.0 USD
- **Vendor:** SIEMENS
- **Type:** Industrial Automation > Control Components > Contactors
- **Tags:** 10A Contactor, 3RH1131-1KB40, 600V Contactor, Control Systems, Electrical Components, Industrial Automation, Ram Automations, SIEMENS 3RH1131-1KB40, SIEMENS Contactor, SIRIUS Auxiliary Contactor

## Variants

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

## Images

- Phoenix Contact Power Supply 2938756 MINI-PS-100-240VAC/10-15DC/2-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3rh1131-1kb40-sirius-contactor)
> Updated: 2026-10-20