Siemens SIRIUS 3RW40 Soft Starter S12 - 432A - 3RW4076-2BB45
Siemens SIRIUS 3RW40 Soft Starter S12 - 432A, 315kW/500V.
The Siemens SIRIUS 3RW4076-2BB45 is a soft starter from the S12 series, designed for smooth starting of three-phase AC motors. It has a rated current of 432A and is suitable for motors up to 315 kW at 500V. This unit operates with a supply voltage of 400-600V AC and features spring-type terminals for easy connection. This particular model is a phased-out product, with the SIRIUS 3RW5 series being its successor, and the preferred successor type being the 3RW5076-2AB15.
Soft starters like the 3RW4076-2BB45 are essential in industrial applications to reduce mechanical stress on machinery and electrical stress on the power supply by gradually increasing motor speed. They are commonly used in applications involving pumps, fans, compressors, and conveyor systems, where smooth acceleration is critical to prevent damage and ensure efficient operation.
Stanlo Automation, a veteran-owned business, offers surplus and obsolete industrial automation parts. Secure your Siemens SIRIUS 3RW40 soft starter (3RW4076-2BB45) from us. We understand the importance of reliable equipment and are committed to providing quality parts to keep your operations running. Contact Stanlo Automation for your automation needs.
| Manufacturer | Siemens |
| Series | SIRIUS 3RW40 |
| Model | S12 |
| Part Number | 3RW4076-2BB45 |
| Rated Current | 432A |
| Max Motor Power | 315 kW / 500 V |
| Supply Voltage | 400-600 V AC |
| Control Voltage | 230 V AC |
| Terminals | Spring-type |
| Product Status | Phased-out |