Thermal overload relay 23...28 A for motor protection, size S0, Class 10. Contact assembly for main circuit: spring-loaded terminal, auxiliary circuit: spring-loaded terminal, manual-automatic reset. The SIRIUS 3RU2 thermal overload relay provides current-dependent protection for consumers with normal starting against excessive heating due to overload or phase failure. This series is particularly flexible and cost-effective. Worldwide approvals (e.g., IEC and UL/CSA) and applications in explosion-prone environments (ATEX or IEC Ex) are standard. Available with various setting ranges for the overload release. They come with screw or spring-loaded connections for quick, maintenance-free, and vibration-resistant installation, as well as for standalone use. The accessories are compatible across all sizes from S00 to S3. Simple, efficient, always up to date - the SIRIUS system modular concept.