Further information for Ferraz Shawmut A1003996 - Mersen 121 1200VDC gPV 100A Helio Protection Photovoltaic fuse
The HelioProtection DC120-123 series fuses are designed to protect cables in PV clusters when a short circuit occurs in a panel. This HelioProtection fuse complies with IEC 60269-1 and IEC 60269-6 with specific mechanical dimensions. They are of the gPV type.