SPD LGS1-B/4p-385 Surge protective Device 1.CE CCC 2. 380V 3. B grade protection 4. L-PE, N-PE(4P) LGS-1 series of surge protectors suitable for AC power supply system 50HZ/60HZ, under 380V , such as IT, TT, TN-S, TN-CS, meet the GB18802.1-2002 and IEC61643-1: 1998 technical standards, design installation of electric rail in 35mm. Internally installed failure break off device, when the protect ...