3RW4423-1BC34 Description Description 3RW4423-1BC34 SIEMENS Soft Starter 3RW44 – with comms option 18.5kW 3PH SOFTSTARTER 115VAC Related products SIEMENS 1FK6032-6AK71-1TG0 SIEMENS 1FK7103-5AF71-1DH0 SIEMENS 1FK6042-6AF71-1TH0 SIEMENS 1FT5072-0AC01-0-Z SIEMENS 1FK7083-5AF71-1EB3 SIEMENS 1FK7022-5AK71-1AG0