SIRIUS 3RW soft starters
SIRIUS soft starters are the best solution when direct-on-line or star/delta starting are not suitable for three-phase motors, because mechanical impacts in the machine or voltage dips in the power supply system can often cause problems. A full and comprehensive range of soft starters with intelligent functions offers a softer alternative for almost every application.
![3RW soft starters 3RW soft starters](https://assets.new.siemens.com/siemens/assets/api/uuid:00b24ffc-89c1-4d4f-914f-6b718b9fd611/width:100/quality:low/3RW-soft-starters.jpg)
SIRIUS soft starters are the best solution when direct-on-line or star/delta starting are not suitable for three-phase motors, because mechanical impacts in the machine or voltage dips in the power supply system can often cause problems. A full and comprehensive range of soft starters with intelligent functions offers a softer alternative for almost every application.