Siemens SIRIUS 3RW40 Soft Starter - 106A, 75kW
Siemens SIRIUS S3 soft starter for 75kW motors, 106A, 400-600V AC.
The Siemens 3RW4047-1BB15 is a SIRIUS S3 soft starter designed for controlled starting of three-phase AC motors. It features a rated operational current of 106 A and can handle motor ratings up to 75 kW at 500 V, with a temperature rating of 40°C. The device operates with a main circuit voltage range of 400-600 V AC and is controlled by a 110-230 V AC/DC auxiliary voltage supply, featuring convenient screw terminals for connections.
This soft starter is widely used in applications requiring smooth motor acceleration to reduce mechanical stress and electrical inrush current, such as in pump systems, fan drives, conveyor belts, and compressors. Its S3 size is suitable for medium-power industrial motor applications.
Stanlo Automation, a veteran-owned distributor, provides access to reliable industrial components like the Siemens 3RW4047-1BB15. We are your trusted source for surplus automation parts, ensuring you can maintain and upgrade your systems efficiently.
| Part Number | 3RW4047-1BB15 |
| Manufacturer | Siemens |
| Series | SIRIUS 3RW40 |
| Size | S3 |
| Rated Operational Current | 106 A |
| Motor Power | 75 kW at 500 V |
| Main Circuit Voltage | 400-600 V AC |
| Control Voltage | 110-230 V AC/DC |
| Connection Type | Screw terminals |
| Temperature Rating | 40 °C |