Selection Guide for Photovoltaic Fuses?

A surprising number of installers still use standard AC fuses for solar—risking serious danger without realizing the gaps. To choose the right photovoltaic fuse1, look at its voltage rating, breaking capacity2, and make sure it meets IEC 60269-63 or UL 25794. Always use fuses designed specifically for PV systems. Most people think a fuse is […]