Siemens 3RW4443-6BC44

The Siemens 3RW4443-6BC44 is a soft starter designed for use with motors operating at 400 VAC. It is rated for a standard current of 203 amps at 40 °C, supporting motor power up to 110 kW. When configured in an inside-delta connection, it can handle currents up to 352 amps, making it suitable for motors up to 200 kW at voltages between 200 and 460 VAC. This model features screw terminals for secure wiring at 230 VAC. For those looking for newer options, the 3RW5543-6HA14 is considered its preferred successor. BSP Automation offers this soft starter as part of their range of industrial control products, providing reliable solutions for motor startup and protection.