The miniature circuit breaker is the automatic circuit breaker for short-circuit protection. As an important part of the SENTRON protection components for electrical installations, the miniature circuit breakers from Siemens offer effective protection for people and systems through safe disconnection in the event of an overload or short circuit. Convenient mounting and connection technology, uniform additional components and a consistent design - these are the hallmarks of the device family. Whether for infrastructure or industrial requirements, Siemens offers miniature circuit breakers for all applications and every field of use. The Siemens miniature circuit breakers are characterized above all by: 1. effective personal, investment and system protection against overloads and short circuits. 2. a wide range of standardized accessories that are easy to install and can be replaced at any time. 3. reliable safety during installation, thanks to the standard protection against contact and gripping. 4. tool-free detachment from the top-hat rail.