3RU1146-4HD0 SIEMENS

The 3RU1146-4HD0 from Siemens is an overload relay designed to provide comprehensive motor protection within a range of 36 to 50 Amperes. This particular model is classified as size S3 and adheres to CLASS 10 tripping characteristics, ensuring reliable and timely response to overload conditions. It is specifically designed for direct contactor mounting, simplifying installation and minimizing wiring complexity. The main circuit connections utilize screw terminals for secure and robust connections, while the auxiliary circuit benefits from spring-type terminals, enabling fast and vibration-resistant connections. This overload relay offers versatile reset options, supporting manual, automatic, and remote reset functionalities to accommodate diverse application requirements. It provides reliable protection against overloads, phase failures, and locked rotor conditions, preventing motor damage and downtime. The 3RU1146-4HD0 is an essential component for safeguarding motors in various industrial applications, ensuring operational efficiency and longevity. Its robust design and comprehensive features make it a dependable choice for motor protection.