surge protector 1.Surge and overvoltage protection 2.Apply to the power ... suppressor,Surge Protective Device ,circuit breaker,protective SPD,Surge Lightning Protector (surge suppressor/electrical surge) Detailed DescriptionAmbient Temperature: -40 ~80Altitude (max ... -C,TT,IT 3.Rated voltage:380V MQU9-C Surge Protector 5KA-60KA