The ornamental design for a networkprotectormasterrelay, as shown.
FIG. 1 is a perspective view of the right side, rear side, and top side of a network protector master relay showing the new design.
FIG. 2 is a perspective view of the right side, front side, and bottom side thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a front side elevational view thereof;
FIG. 6 is a rear side elevational view thereof
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The claimed network protector master relay contains components used in the monitoring and control of a network protector used in electricity distribution systems.