3RU1146-4ED0 SIEMENS

The 3RU1146-4ED0 is a Siemens overload relay designed to provide comprehensive motor protection. This particular model offers an adjustable current range of 22 to 32 Amperes, making it suitable for motors with corresponding current requirements. It belongs to size S3, adhering to industry-standard dimensions for easy integration into motor starter combinations. The relay operates under CLASS 10 tripping characteristics, ensuring a balance between overload detection sensitivity and nuisance tripping avoidance. Installation is simplified through direct contactor mounting, reducing wiring complexity and saving space within the electrical panel. The main circuit connections utilize reliable screw terminals, while the auxiliary circuit benefits from convenient spring-type terminals for quick and secure connections. Users can select between manual, automatic, or remote reset options, providing flexibility in responding to overload events. This overload relay is an essential component for safeguarding motors against damage caused by overcurrents and overheating. It enhances the reliability and longevity of motor-driven equipment.