The ornamental design of a base for a powerdistribution module, as shown and described.
FIG. 1 is a bottom perspective view of a base for a power distribution module showing my new design;
FIG. 2 is a top perspective view thereof;
FIG. 3 is a left side elevation view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a front elevation view thereof;
FIG. 6 is a rear elevation view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken lines in the drawing views represent unclaimed portions of the power distribution module, which are shown for illustration purposes only and form no part of the claimed design.