
Siemens 3RW4055-2BB35
Need something we currently don't have available? Our sourcing team can help you find what you need
The Siemens SIRIUS 3RW4055-2BB35 soft starter is a robust solution for controlled motor starting in industrial applications. Designed for three-phase motors up to 117 A and 100 hp at 575 V, this soft starter ensures smooth acceleration and reduced mechanical stress, extending the service life of connected equipment.
Operating within a wide voltage range of 400–600 V AC and suitable for ambient temperatures up to 50 °C, this SIRIUS S6 device is well suited for demanding environments. The integrated 115 V AC control supply and spring-type terminals support reliable installation and secure connections in control panels.
This product is a phased-out model within the Siemens SIRIUS range. For new projects and long-term availability, the successor generation SIRIUS 3RW5 is recommended, with preferred replacement type >>3RW5055-2AB15<<. This ensures continuity in performance while benefiting from the latest Siemens soft starter technology.
Manufacturer: Siemens
Product type: Soft starter
Range: SIRIUS
Country of manufacture: Germany