3RB3133-4UB0 SIEMENS

The 3RB3133-4UB0 is an overload relay designed by Siemens for comprehensive motor protection. It offers adjustable current settings from 12.5 to 50 Amperes, catering to a range of motor sizes. This relay is classified under size S2 and provides motor protection within class 5E to 30E, ensuring adaptability to various application requirements. Mounting is simplified through direct contactor installation, with both the main and auxiliary circuits utilizing screw terminals for secure connections. Users benefit from versatile reset options, including manual, automatic, and remote reset capabilities. An integrated ground fault detection system enhances safety by identifying and responding to ground faults. This overload relay provides reliable protection against overloads, phase failures, and locked rotor conditions, preventing motor damage and downtime. The 3RB3133-4UB0 is an ideal solution for safeguarding motors in diverse industrial applications, ensuring operational efficiency and longevity. Its robust design and comprehensive features make it a valuable component in any motor control system.