Patent ID: 8542084

Claim:
A trip unit for use with a circuit protection device including a trip mechanism, said trip unit comprising: a support bracket comprising: a mounting portion; a retention portion coupled substantially perpendicularly to said mounting portion; and a pivot area positioned at an intersection of said mounting portion and said retention portion; a magnet member coupled to said support bracket and configured to emit a magnetic field when a current is transmitted through the trip mechanism, said magnet member comprising a first side portion, a second side portion, and a rear portion coupled between said first side portion and said second side portion; and a pivot arm pivotally coupled to said support bracket, said pivot arm comprising: a first end; a second end positioned substantially perpendicular to said first end; a curved portion coupled to said first end and said second end, wherein said pivot arm is configured to pivot towards said magnet member to cause the trip mechanism to interrupt the current when the current exceeds a first threshold; and a pivot edge configured to be positioned in contact with said pivot area to enable said pivot arm to pivot through at least a portion of said pivot area.