1.best sold well PV device 2.Discharge currents In: 20 kA / Imax: 40 ... 4.IEC 61643-1 comp best sold well PV device,newest best SPD Key words : Class C Surge ... Protector,SPD,Surge Arrester,Lightning Surge Protector,Surge Protective Device,Surge Protection,Photovoltaic (PV) SPD,PV Surge Protection ... of SUN-S40 series Surge Protection is recommended at both ends of the DC power supply line (solar panel ...