Patent ID: 8183964
Filing Date: 2012-05-22
Classification: H01H

Abstract:
1. A trip unit, comprising: a movable anchor having a tripped position and an untripped position; an oscillator having a first and second position, wherein in said first position said oscillator allows said anchor to move into said tripped position, and in said second position said oscillator prevents said anchor from moving into said tripped position; a magnetic yoke surrounding said movable anchor and said oscillator, wherein said magnetic yoke provides a magnetic current to move said movable anchor into said tripped position, and said magnetic yoke provides a magnetic current to move said oscillator into said first or second positions; and a current carrying element surrounded by said magnetic yoke, wherein said current carrying element generates said magnetic current perpendicular to an electric current conducted through said current carrying element, wherein said electric current conducted through said current carrying element in a forward direction positions said oscillator in said second position, and said electric current conducted through said current carrying element in a reverse direction positions said oscillator in said first position.