Circuit breaker 10kA, 3-pole, C, 16A according to UL 489-480Y/277V. The circuit breaker is the automatic fuse for short circuit protection. Siemens circuit breakers are an important component of the SENTRON protection devices for electrical installations, providing effective protection for people and equipment through safe disconnection in the event of overload or short circuit. Convenient mounting and connection technology, uniform additional components, and a consistent design are the hallmarks of this device family. Whether for infrastructure or industrial applications, Siemens offers circuit breakers for all uses and every field of application. Siemens circuit breakers are particularly characterized by: 1. Effective protection for people, investments, and equipment against overload and short circuit. 2. Uniform accessories in a wide variety, easy to install and interchangeable at any time. 3. Reliable safety during installation thanks to standard integrated gripping and touch protection. 4. Clearly visible switching position indicator. 5. Datamatrix code on the front of the device provides quick and easy access to all information about the circuit breaker. 6. Compliance with standards with worldwide approvals.