NL1-B80 4P Surge Protection Device

NL1-B series Surge Protective Devices is suitable for B grade lightning-proof,installed on the joint of LPZOA zone or LPZOB and NL1 zone,which protects the electric network not shocked by the thunder or surge over voltage. NL1B-100. NL1B-80. NL1B-60 are usually installed in low voltage main distribution box connected to the incoming end of the buildings.
Notice:When you order our goods,please write the model and quantity carefully.For example: NL1-B80/4-385, 8 pieces.
NL1-B series Surge Protective Device(in short: SPD,alias:surge protector,surge arrester )is suitable for TN-S. TN-C-S. TT. IT etc. Power supply system of AC 50/60Hz,≤380,and installed on the joint of LPZOA zone or LPZOB and LPZ1zone,which protects the electric network not shocked by the thunder,it’s designed according to GB18802.1. IEC61643-1,it adopts 35mm standard rail,there is a failure release mounted on the module of Surge Protective Device.When the SPD fails in breakdown for over-heat and over-current,the failure release will help electric device separate from the power system and give the indication signal,green means normal,red means abnormal, it’s also could be replaced for the module when has operating voltage.