Siemens 3RW4455-6BC44

The Siemens 3RW4455-6BC44 is a robust soft starter designed to manage motor starting currents efficiently. This Sirius series device handles up to 693 amps and supports motors with power ratings up to 400 kW. It’s configured for inside-delta connections, capable of managing currents up to 1200 amps and motor loads up to 710 kW within a voltage range of 200 to 460 VAC. The unit features a 230 VAC screw terminal for reliable electrical connections. For those looking for an updated option, the 3RW5553-6HA14 serves as the preferred successor. This soft starter model is readily available through BSP Automation, providing a dependable solution for controlling high-power motors in various industrial applications.