Siemens 3RV1721-4CD10 Sirius Circuit Breaker Model

Siemens Sirius 3RV1721-4CD10 is a motor-protective circuit breaker from the SIRIUS 3RV1 family, sized as S0 for compact motor-control installations. Rated for 480/277 V AC, it targets 10 HP motor loads with a standard motor current (FLC) of 14 A and a typical full-load current (FLA) of 10.1 A, providing overload protection in a small-to-medium motor application. The 3RV1721-4CD10 designation identifies a specific model within the 3RV1 starter-protector line, designed to be used in motor-control circuits that require integrated protection with a compact footprint in standard industrial control cabinets. It is designed for installation in standard control cabinets and motor-control panels, enabling straightforward integration with other devices in the Sirius ecosystem and supporting Siemens automation workflows. This model's ratings align with common 480/277 V, 10 HP motor protection scenarios, offering a defined current range and reliability within Siemens' SIRIUS motor-control portfolio.