... phase 4. Power type:AC Supply HK Protect System Security Surge Protector1. Working principleHK lightning surge protection ... surge Protector,Surge Suppressor,Overvoltage Protector,Thunder Protection,Electrical Control,System Protector, Direct Strick Protection, Power solutions,Surge Diverter ... s distribution cabinet. As long as there is control system of our products it can be applied.5.ContactMobible ...