Siemens SIRIUS 3RW4076-2BB34 Soft Starter - 385A, 300hp @ 460V
Siemens SIRIUS 3RW4076-2BB34 soft starter for motor control.
The Siemens SIRIUS 3RW4076-2BB34 is a soft starter designed for smooth acceleration of three-phase induction motors. It has a rated operational current of 385 A at 50°C and is suitable for motor ratings up to 300 hp at 460 V. The unit operates with a supply voltage range of 200-460 V AC and features spring-type terminals for connection. Please note that this product is phased out.
This soft starter provides a controlled start-up for motors, reducing mechanical stress on the drive train and electrical stress on the power supply system. It is ideal for applications requiring gentle motor acceleration, such as conveyor systems, pumps, and fans, helping to prolong equipment life and improve system efficiency.
Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RW4076-2BB34. While this is a phased-out product, we can help you source this or its preferred successor, the 3RW5076-2AB14, ensuring your motor control needs are met with reliable components.
| Manufacturer | Siemens |
| Part Number | 3RW4076-2BB34 |
| Series | SIRIUS 3RW40 |
| Product Type | Soft Starter |
| Rated Operational Current | 385 A (at 50°C) |
| Motor Power | 300 hp @ 460 V |
| Supply Voltage | 200-460 V AC |
| Terminals | Spring-type |
| Status | Phased-out product |