Siemens 3RW4455-6BC45

The Siemens 3RW4455-6BC45 is a SIRIUS soft starter designed to handle voltages up to 500 V with a standard ambient temperature rating of 40°C. It supports operational currents up to 693 A and is suitable for motor power ratings up to 500 kW in a standard configuration. When connected in an inside-delta setup, it can manage currents up to 1200 A and motor sizes up to 800 kW. The device operates efficiently within a voltage range of 400 to 600 VAC and features 230 VAC control voltage with screw terminal connections for secure wiring. This reliable soft starter is available through BSP Automation, offering a robust solution for smooth motor starting and reduced mechanical stress in industrial applications.