Over Voltage ProtectionFunction This over and under voltage protector has reasonable design assembling imported components and domestic famous components, with advanced manufacturing process. It can cut off power supply quickly and reliably under the condition of high voltage surge and under-voltage, to protect household appliances.Technical Parameter Model typeEBSTP5PhaseThree phaseRated current63ARated frequency50/60HzUnder-voltage action cut off value(V)300Rated voltage AC(V)380Features ●Line instant or transient overvoltage occurs, the protector dose not malfunction●All the functions of automation, no need manual operations, select and use double lights indicator●Shape modular design, rail mountingApplicable Working Ambient temperature-5~+40℃, the average value cannot exceed to +35℃ within 24hAltitude≤2000 mRelative humidity≤95%Pollution levelII.Installation locationPlace free from erosion of rain and snow