Siemens 3RU2146-4JB0

The Siemens 3RU2146-4JB0 is a reliable overload relay designed for motor protection with a current range of 45 to 63 amps. This thermal relay fits into size S3 and features a class 10 tripping characteristic, making it suitable for a variety of industrial motor applications. It mounts directly onto contactors and offers screw terminals for both the main and auxiliary circuits, ensuring secure and straightforward wiring. The device also includes a manual-automatic reset function, allowing flexible control in resetting after a trip. This model is available through BSP Automation, providing an efficient solution for safeguarding your motor systems.