Siemens 3RV1721-1ED10 Circuit Breaker

Siemens Sirius 3RV1721-1ED10 Circuit Breaker is a compact motor-protective device from the SIRIUS 3RV1 family, sized as a Size S0 unit for panel protection in industrial controls. It provides overcurrent protection for motors and feeders, delivering reliable tripping in overload or short-circuit conditions within Siemens protection schemes. The model 3RV1721-1ED10 is UL 489 listed, reflecting compliance for use in systems that require recognized protective devices, and it is designed for industrial control panels where space is at a premium. Common applications include motor protection for conveyors, pumps, fans, and machine tools, as well as general plant protection tasks in switchgear assemblies. This ED10 variant belongs to the Sirius 3RV1 product line, offering the familiar Siemens reliability and seamless integration with other Sirius protection components. Overall, the 3RV1721-1ED10 provides a proven, compact solution for safeguarding motors and feeders, compatible with standard Siemens protection strategies in industrial automation environments.