Siemens 3RW3028-1BB04 SIRIUS Soft Starter S0
Siemens SIRIUS S0 soft starter, 38A, 18.5kW.
The Siemens 3RW3028-1BB04 is a SIRIUS soft starter with an S0 frame size, designed for smooth starting of three-phase motors. It supports a 38 A continuous current and can handle motor power up to 18.5 kW at 400 V. The unit operates within a wide voltage range of 200-480 V AC for the main circuit and 24 V AC/DC for the control circuit, featuring convenient screw terminals for connections.
This soft starter is ideal for applications requiring controlled acceleration and deceleration of motor loads, reducing mechanical stress and electrical inrush current. It finds use in various industrial sectors, including material handling, pump control, fan applications, and general machine building where smooth motor operation is critical.
Source your Siemens 3RW3028-1BB04 and other automation components from Stanlo Automation, a veteran-owned business committed to providing quality surplus parts and reliable service. We ensure you get the right components to keep your operations running efficiently.
| Frame Size | S0 |
| Rated Operational Current AC-53a | 38 A |
| Rated Power AC-3 | 18.5 kW at 400 V |
| Control Voltage | 24 V AC/DC |
| Main Circuit Voltage | 200-480 V AC |
| Connection Type | Screw terminals |