Patent ID: 7915982
Filing Date: 2011-03-29
Classification: H01H

Abstract:
1. An electric circuit breaker having three different states, comprising: an actuation member configured to take three positions corresponding to the three states of the electric circuit breaker; a moveable magnetic device configured to be moved between three positions corresponding to the three states of the electric circuit breaker by the actuation member, and having a permanent magnet; and two microswitches configured to be controlled by a magnetic field by the permanent magnet; wherein each microswitch includes a moveable element configured to be aligned in an orientation of the magnetic field lines of the permanent magnet to take an open position or a closed position, and wherein in each position of the moveable magnetic device, the two microswitches are controlled in an open position or in a closed position to form a particular combination representative of one of the three states of the electric circuit breaker.