Electrical circuit breaker

FIG. 1 is a perspective view of the electrical circuit breaker showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof; and,

FIG. 4 is a top view thereof.

The broken line showing of portions of the circuit breaker represent unclaimed subject matter.

We claim the ornamental design for an electrical circuit breaker, as shown and described.

Number	Date	Country	Kind
BG2003O0002	Feb 2003	IT	national

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Number	Date	Country
DM055 273	Apr 2001	WO

	Number	Date	Country
Parent	29188211	Aug 2003	US
Child	29250292		US

	Number	Date	Country
Parent	29250292	Nov 2006	US
Child	29279310		US