# Siemens SIRIUS 3RW4027-1TB04 Soft Starter S0 32A 15KW 400V

Experience smooth and reliable motor control with the Siemens SIRIUS 3RW4027-1TB04 Soft Starter. This S0 frame size device is engineered for industrial automation applications, delivering efficient starting and stopping for three-phase motors up to 15kW at 400V. It effectively reduces inrush current and mechanical stress, enhancing the longevity of your equipment.

Designed for demanding industrial environments, the Siemens SIRIUS 3RW4027-1TB04 operates with a versatile 200-480V AC control voltage and maintains performance up to 40°C ambient temperature. Its robust construction and advanced features offer superior motor protection and optimized energy usage within your control systems. Find out why this Siemens soft starter is ideal for pumps compressors and conveyors.

-   **Smooth Motor Starting** Reduces electrical and mechanical stress for extended equipment life.
-   **High Performance** Rated for 15kW 400V motors with a 32A capacity.
-   **Flexible Integration** Features a 200-480V AC control voltage range.
-   **Enhanced Efficiency** Minimizes startup current for stable power system operation.
-   **Reliable Protection** Built with Siemens' trusted quality for industrial automation.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Motor Control > Soft Starters
- **Tags:** 15KW, 32A, 3RW4027-1TB04, 400V, industrial automation, motor control, S0, Siemens, SIRIUS, soft starter

## Variants

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

## Images

- Siemens SIRIUS 3RW4027-1TB04 Soft Starter S0 32A 15KW 400V-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-sirius-3rw4027-1tb04-soft-starter)
> Updated: 2026-09-30