3RB3133-4WD0 SIEMENS

The 3RB3133-4WD0 is a Siemens overload relay designed to provide comprehensive motor protection within a 20 to 80 Ampere range. This particular model is a size S2 relay, making it suitable for a variety of motor applications. It offers adjustable tripping classes from 5E to 30E, allowing users to fine-tune the protection characteristics to match specific motor and application requirements. Mounting is simplified through direct contactor mounting, saving space and reducing installation time. The main circuit connections utilize screw terminals for secure and reliable power connections, while the auxiliary circuit employs spring-type terminals for quick and vibration-resistant control wiring. Users can select between manual or automatic reset options for flexible operation after an overload event. Furthermore, this overload relay incorporates internal ground fault detection, enhancing safety and preventing potential equipment damage. This advanced feature provides an additional layer of protection against ground faults, ensuring reliable motor operation. The 3RB3133-4WD0 offers a robust and versatile solution for motor protection needs.