Siemens SIRIUS 3RW4427-3BC36 Soft Starter - 82A, 75hp @ 575V
Siemens SIRIUS 3RW4427-3BC36 Soft Starter: 82A, 75hp @ 575V.
The Siemens 3RW4427-3BC36 is a SIRIUS soft starter designed for smooth and controlled starting of three-phase asynchronous motors. At 575V and 50°C, it provides a standard current rating of 82A, capable of handling motors up to 75 hp. For applications requiring higher starting torque, the inside-delta configuration offers 142A for up to 125 hp motors. This unit operates on 400-690V AC and features spring-type terminals.
This soft starter is ideal for applications where high starting currents and mechanical stress on machinery need to be minimized. It is commonly used in industries such as material handling, pumps, fans, and compressors to extend the lifespan of motors and connected equipment. Please note that this is a phased-out product.
Stanlo Automation, your veteran-owned surplus parts distributor, offers the Siemens 3RW4427-3BC36. While this is a phased-out model, we can help you source this or its preferred successor, the 3RW5527-3HA16, ensuring your automation needs are met.
| Part Number | 3RW4427-3BC36 |
| Manufacturer | Siemens |
| Series | SIRIUS |
| Type | Soft Starter |
| Standard Rating (@575V) | 82A, 75 hp |
| Inside-Delta Rating (@575V) | 142A, 125 hp |
| Voltage | 400-690V AC |
| Terminals | Spring-type |
| Status | Phased-out |