3RU2146-4HB0 SIEMENS

The 3RU2146-4HB0 from Siemens is an overload relay designed to provide comprehensive motor protection. This particular model covers a current range of 36 to 50 Amperes, making it suitable for motors within that power consumption range. It adheres to Size S3 standards, ensuring compatibility with similarly sized contactors and motor starters. The relay operates under CLASS 10 tripping characteristics, which defines the time-current curve for overload detection and response. Installation is simplified through direct contactor mounting, reducing wiring complexity and saving space within the electrical panel. Both the main and auxiliary circuits utilize screw terminals for secure and reliable connections. The relay offers versatile reset options, including manual, automatic, and remote reset capabilities to accommodate various operational needs. This overload relay protects motors from damage caused by overcurrents and phase failures, enhancing the reliability and longevity of motor-driven equipment. Its robust design and multiple features make it a dependable choice for motor protection applications.