RA58NF-1/4 is for 50Ωcoaxial system, installed at LPZ 0B-1; designed according to IEC 61643-21; GB 18802.21; YD/T 1542.
Compact 3 in 1 SPD for use in power supply and video monitoring systems, and installation at the boundaries from LPZ 0B -2 and higher.
RA30F90FM is applied in 75Ω satellite and cable TV system, suitable for all common TV and satellite applications, installed at LPZ 0A-1 interface; designed according to IEC 61643-21; GB 18802.21; YD/T 1542.
RA30N90FM is for 50Ωcoaxial system, installed at LPZ 0B-1; designed according to IEC 61643-21; GB 18802.21; YD/T 1542.
RA30B90FM is for 50Ω coaxial system, installed at LPZ 0B-1; designed according to IEC 61643-21; GB 18802.21; YD/T 1542.