Siemens 3RA21201BA230BB4 Fuseless Motor Starter

Siemens 3RA21201BA230BB4 Fuseless Motor Starter is a Siemens fuseless motor starter from the 3RA2 family, designed for straightforward starting of motors in industrial control panels without an integrated fuse. It is rated for up to 600 VAC and supports motor loads in the 1.4–2 A range, making it a compact solution for fuse‑free motor control in lightweight applications. The exact model number 3RA21201BA230BB4 identifies the fuseless variant within Siemens’ catalog and distinguishes this configuration from other 3RA2 options. This unit is intended for use in control circuits where a simple, compact starter is required and where compatibility with Siemens motor control components is desired, enabling a streamlined ecosystem within the Siemens SIRIUS/Mamilab motor control portfolio. When integrating this starter, ensure the load current remains within the stated 1.4–2 A window to maintain reliable operation and align the installation with applicable electrical codes and panel design practices.