home surge protection/SPDsurge ,Surge Protecitve Device,Surge Protector,Surge Arrester,Surge Arrestor,Lightning Protector 1. Working voltage: 255V/275V/320V/385V/ ... /2.2kV7. Response time: 25ns8. Installation: standard rail 35mm9. Suitable for TN-S, TN-C-S, TT power supply system of ... /60Hz.10. According to IEC61643-1, GB18802.111. CE Mark Surge Arrester spd