1) SP1 SPD,Surge Protective Device 2) Quality Assurance 2 year 3)10 years of professional production 4) CE Certification SP1 SPD,Surge Protective DevicePV Surge Protection SPD 1000V/800V/500V Key words : Class C Surge Protector,SPD,Surge Arrester,Lightning Surge Protector,Surge Protective Device,Surge Protection,Photovoltaic (PV) SPD,PV Surge Protection Surge Protection for Solar Photovoltaic (PV ...