# Siemens 3RW4046-2BB04 SIRIUS S3 Soft Starter 80A 45kW 400V

Introducing the **Siemens 3RW4046-2BB04 SIRIUS S3 Soft Starter** a critical component for advanced industrial automation. This high-performance soft starter ensures smooth motor acceleration and deceleration, significantly reducing mechanical stress and electrical inrush currents. Engineered for reliability in demanding environments, it provides precise motor control for applications like conveyors pumps compressors and HVAC systems safeguarding your valuable equipment and enhancing operational efficiency. The **3RW4046-2BB04** model is designed to integrate seamlessly into modern control systems offering superior protection and energy savings.

The **Siemens SIRIUS S3** soft starter offers robust protection against overloads short circuits and other electrical faults minimizing downtime and maintenance requirements. Its intelligent algorithms guarantee gentle starts and stops preventing abrupt power surges and extending motor lifespan. This device is optimized for operation up to 40°C ensuring consistent performance in various industrial settings. Experience unparalleled control and protection for your motor applications with the dependable **3RW4046-2BB04**.

What makes this soft starter ideal for your automation needs? It provides smooth power delivery and comprehensive motor protection. Perfect for industrial settings requiring precise motor speed control and reliable operation.

-   **Enhanced Motor Protection** Safeguards against overloads and short circuits.
-   **Smooth Motor Control** Reduces mechanical stress and inrush current.
-   **Durable Design** Built for reliable performance up to 40°C.
-   **Energy Efficient** Minimizes power surges for cost savings.
-   **Seamless Integration** Fits easily into industrial automation systems.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Motor Control > Soft Starters
- **Tags:** 400V, 45kW, 80A, automation components, industrial automation, motor control, Siemens 3RW4046-2BB04, Siemens soft starter, SIRIUS S3, soft starter

## Variants

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

## Images

- Siemens 3RW4046-2BB04 SIRIUS S3 Soft Starter 80A 45kW 400V-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3rw4046-2bb04-sirius-s3-soft-starter)
> Updated: 2026-09-30