Patent ID: 8592709

Claim:
A circuit breaker apparatus comprising: an enclosure, comprising a first chamber and a second chamber; a circuit breaker pole mounted within said enclosure, said circuit breaker pole comprising a first sub pole and a second sub pole, said first sub pole and said second sub pole each comprising a moveable contact assembly and a fixed contact assembly, the moveable contact assembly moveable between a closed position in contact with the fixed contact assembly, and an open position separate from the fixed contact assembly; said first sub pole moveable contact assembly and said second sub pole moveable contact assembly being conductively bridged together; said first sub pole fixed contact assembly and said second sub pole fixed contact assembly being conductively bridged together when the moveable contact assembly is in the open position; wherein said first sub pole is enclosed within said first chamber, and said second sub pole is enclosed within said second chamber; a first arc chute assembly installed on said first chamber; and a second arc chute assembly installed on said second chamber.