# Siemens Sirius 3RT1023-1B..0 Motor Starter Contactor - 40A

The **Siemens Sirius 3RT1023-1B..0** Motor Starter Contactor is a vital electrical component designed for efficient motor control in industrial applications. This contactor, with a 40A current rating and a 690V voltage rating, ensures reliable operation and is built to withstand heavy-duty use. Perfect for controlling AC motors and breaking electrical circuits, the **3RT1023-1B..0** model is compliant with IEC/EN 60947-4-1 standards, ensuring safety and performance in various industrial settings.

This **Siemens** contactor offers versatility and durability. The 35A 600Vac break all lines feature and compatibility with RK5 fuses/circuit breakers ensures seamless integration and efficient operation. Manufactured in Germany, the **Siemens Sirius 3RT1023-1B..0 Motor Starter Contactor** provides enhanced protection against electrical faults. This is an excellent choice for your industrial automation needs.

-   **40A Current Rating** for handling demanding motor starting applications.
-   **690V Voltage Rating** offering robust performance.
-   Compliant with **IEC/EN 60947-4-1 standards**, ensuring safety and reliability.
-   Durable construction and compact design for easy installation and maintenance.
-   Features a **35A 600Vac break all lines** feature for comprehensive protection.

With a dependable design, the **Siemens Sirius 3RT1023-1B..0** contactor is an ideal choice for your industrial automation systems. Designed to deliver consistent performance, this contactor offers peace of mind. Trust **Siemens** for innovative solutions. For more information or to discuss your specific requirements, please contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Motor Control > Contactors
- **Tags:** 3RT1023-1B..0, 40A contactor, electrical contactor, industrial automation, motor control, motor starter contactor, Siemens

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 3VU1300-1MN00 / USED | 999.00 USD | In stock |

## Images

- Siemens Sirius 3RT1023-1B..0 Motor Starter Contactor - 40A-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-sirius-3rt1023-1b-0-40a)
> Updated: 2026-10-01