Phoenix Contact 2907558 The Thermal-magnetic Miniature Circuit Breaker is designed to protect branch circuits from overloads and has a breaking capacity of 10 kiloamperes. Its tripping characteristic is class C, indicating a specific type of trip behavior. The breaker can be mounted in an NS35 configuration, which implies it fits into a standard mounting system. It is rated for a current of 1 ampere, making it suitable for use in low-current applications.