The HP15M photovoltaic (PV) fuse is a 10x85 mm fuse designed specifically for protecting PV string wiring in utility scale photovoltaic systems operating at 1500 VDC. With a minimum breaking capacity of 1.35xIn, the HP15M fuse ensures safe circuit interruption even under low fault current conditions commonly found in PV arrays. This fuse is suitable for all photovoltaic applications, including PV string/array level protection.