Technical Features Type 1 surge protective devices for PV/ Photovoltaic system. DC SPD for common mode & Differential mode protection ETL certified surge protector according to UL1449-4th, SCCR 200kArms Pluggable design with window fault indication Nominal discharge current In 20kA 8/20 per pole, max discharge current Imax 50kA 8/20 per pole High reliability due to global patented thermally protected MOV (TPMOV) with special arc-e...