3RW4423-1BC34 Description Description 3RW4423-1BC34 SIEMENS Soft Starter 3RW44 – with comms option 18.5kW 3PH SOFTSTARTER 115VAC Related products SIEMENS 1FT5066-1AF71-4AA0 SIEMENS 1FK7103-5AF71-1DH0 SIEMENS 1790L811A SIEMENS 1FK6032-6AK71-1TA0 SIEMENS 1FN1910-0AA20-1AA0 SIEMENS 1FK6060-6AF71-1TG0