Circuit breaker 10kA, 1-pole, D, 16A according to UL 489-277V. The circuit breaker is the automatic fuse for short circuit protection. Siemens circuit breakers are an essential component of the SENTRON protection devices for electrical installations, providing effective protection for people and equipment through safe disconnection in overload and short circuit situations. Convenient mounting and connection technology, uniform additional components, and a consistent design are characteristic features of this product family. Whether for infrastructure or industrial requirements, Siemens offers circuit breakers for all applications and every area of use. Siemens circuit breakers are particularly distinguished by: 1. Effective protection for people, investments, and equipment against overload and short circuits. 2. Uniform accessories in a wide variety, easy to install and interchangeable at any time. 3. Reliable safety during installation thanks to standard included gripping and touch protection. 4. Clearly visible switching position indicator. 5. Data matrix code on the front of the device provides quick and easy access to all information regarding the circuit breaker. 6. Compliance with standards with worldwide approvals.