WTO-B surge arrestor

 CE certificate, widely exported to Russia, Poland, UK, Italy markets. surge protective device

WTO-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=380V,installed on the joint of LPZ1and LPZ2 and LPZ3,it's designed according to IEC61643-1,GN18802.1, 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.

WTO-B series surge protective device applied in B grade lightning-proof ,installed on the joint of LPOA zone or LPOB and LPZ1 zone,which protects the electric network not shocked by the thunder or surge over voltage.WTOB-100.WTOB-80.WTOB-60 are usually installed in low voltage mein distrbution box connected to the incoming end of the buildings.

Notice: When you order our goods, please write the model and quantity carefully. Fox example: WTO-B80/4-385,8pieces.