Patent ID: 7495535

Claim:
A magnet system for a bi-stable relay, comprising: a coil having a first polarity state and a second polarity state; first and second core yoke members, each of the first and second core yoke members having a core arm and a yoke arm, each of the yoke arms of the first and second core yoke members having a pole face; and an armature having substantially parallel armature core arms separated by a permanent magnet, the armature being pivotally mounted in an air gap between the pole faces of the yoke arms of the first and second core yoke members such that the armature core arms contact the yoke arms of the first and second core yoke members in a first switch position corresponding to the first polarity state and in a second switch position corresponding to the second polarity state, the armature core arms being arranged substantially perpendicular to a center axis of the coil; wherein at least one of the armature core arms has a projection that engages with a slider.