The ornamental design for a base-mounted high voltage circuit interrupter, substantially as shown and described.
FIG. 1 is a side, elevational view of a base-mounted high voltage circuit
interrupter according to this invention, a generalized terminal pad being
shown by broken lines;
FIG. 2 is a top view of the circuit interrupter of FIG. 1;
FIG. 3 is a bottom view of the circuit interrupter of FIG. 1;
FIG. 4 is a front elevational view of the circuit interrupter of FIG. 1;
FIG. 5 is a rear elevational view of the circuit interrupter of FIG. 1.