Enhanced solenoid-armature interface

1. An apparatus, comprising: a circuit breaker comprising: an integral thermo-magnetic trip device adapted to trip said circuit breaker upon an occurrence of a current overload and adapted to trip said circuit breaker upon an occurrence of a voltage spike of at least a predetermined level; an integral electronic trip device adapted to trip said circuit breaker upon detection of a ground fault and adapted to trip said circuit breaker upon detection of an arc fault; and an armature adapted to cause a trip of said circuit breaker upon a predetermined movement of said armature, said armature comprising a contact zone adapted to be moved by a substantially cylindrical plunger that defines a longitudinal axis of a solenoid, said solenoid adapted to project said plunger along said longitudinal axis, said longitudinal axis intersecting said contact zone.

2. The apparatus of claim 1 , wherein said contact zone is located on an armature extension connected to and comprised by said armature.

3. The apparatus of claim 1 , wherein said contact zone is located on an armature extension integral to said armature.

4. The apparatus of claim 1 , further comprising a plunger tip located at an axial end of said plunger.

5. The apparatus of claim 1 , further comprising a plunger tip surrounding an axial end of said plunger.

6. The apparatus of claim 1 , further comprising a substantially rounded plunger tip located at an axial end of said plunger.

7. The apparatus of claim 1 , further comprising a substantially hemispherical plunger tip located at an axial end of said plunger.

8. The apparatus of claim 1 , further comprising a plunger tip located at an axial end of said plunger, said plunger tip substantially radially symmetrical about said longitudinal axis.

9. The apparatus of claim 1 , further comprising a plunger tip located at an axial end of said plunger, said plunger tip adapted to rotate about said longitudinal axis.

10. The apparatus of claim 1 , further comprising a non-electrically rendered trip indicator adapted to visually indicate an occurrence of a trip at of least one of said integral thermo-magnetic trip device and said integral electronic trip device.

11. The apparatus of claim 1 , further comprising a non-electrically rendered electronic trip indicator adapted to visually indicate an occurrence of a trip of only said electronic trip device.

12. The apparatus of claim 1 , wherein said solenoid is adapted to actuate upon detection of said ground fault.

13. The apparatus of claim 1 , wherein said solenoid is adapted to actuate upon detection of said arc fault.

14. The apparatus of claim 1 , wherein said armature is adapted to release said circuit breaker from an ON position to a TRIPPED position.

15. The apparatus of claim 1 , wherein said armature is adapted to release said circuit breaker from an ON position to a TRIPPED position upon detection of said ground fault.

16. The apparatus of claim 1 , wherein said armature is adapted to release said circuit breaker from an ON position to a TRIPPED position upon detection of said arc fault.

17. The apparatus of claim 1 , wherein said solenoid is adapted to expose a trip flag upon detection of at least one of said ground fault and said arc fault.

18. The apparatus of claim 1 , wherein said solenoid is adapted to expose a trip flag in an electronic trip indicator window upon detection of at least one of said ground fault and said arc fault.

19. An apparatus, comprising: a circuit breaker comprising: an integral electronic trip device adapted to trip said circuit breaker upon detection of a ground fault and adapted to trip said circuit breaker upon detection of an arc fault; and an armature adapted to cause a trip of said circuit breaker upon a predetermined movement of said armature, said armature comprising a contact zone adapted to be moved by a substantially cylindrical plunger that defines a longitudinal axis of a solenoid, said solenoid adapted to project said plunger along said longitudinal axis, said longitudinal axis intersecting said contact zone.

20. A method for tripping a circuit breaker, comprising:

providing a circuit breaker that comprises: an integral thermo-magnetic trip device adapted to trip said circuit breaker upon an occurrence of a current overload; an integral electronic trip device adapted to trip said circuit breaker upon detection of a ground fault and adapted to trip said circuit breaker upon detection of an arc fault; and an armature comprising a contact zone intersected by a longitudinal axis of a solenoid comprising a substantially cylindrical plunger;

upon detection of said ground fault or said arc fault, contacting said plunger against said contact zone; and

tripping the circuit breaker.