The ornamental design for an electrical circuitbreaker, as shown and described.
FIG. 1 is a front, top and right side perspective view of an electrical circuit breaker showing our new design.
FIG. 2 is a front elevation view of the electrical circuit breaker of FIG. 1.
FIG. 3 is a rear elevation view of the electrical circuit breaker of FIG. 1.
FIG. 4 is a top plan view of the electrical circuit breaker of FIG. 1.
FIG. 5 is a bottom plan view of the electrical circuit breaker of FIG. 1.
FIG. 6 is a right elevation view of the electrical circuit breaker of FIG. 1; and,
FIG. 7 is a left elevation view of the electrical circuit breaker of in FIG. 1.
The broken lines in the drawing views are included for the purpose of illustrating unclaimed environment only, and forms no part of the claimed design.