3RW4455-6BC34 Description Description 3RW4455-6BC34 SIEMENS Soft Starter 3RW44 – with comms option 400kW 3PH SOFTSTARTER 115VAC Related products SIEMENS 1FT5072-0AC01-0-Z SIEMENS 1790L811A SIEMENS 1FT5072-0AC01-1-Z SIEMENS 1FK7042-5AF71-1EA0 SIEMENS 1FK7011-5AK71-1TG3 SIEMENS 1FT5066-1AF71-4AA0