... Current,Energized time:30min.Restore timein room temperature is 4 hours,then test the Rn,R/Rn≤20% Over current ... OFF600s,Cycle:30 times,Restore timein room temperature is 4 hours,then re-test the Rn,R/Rn≤20% Surge ... ,cycle:30 times,Restore time in room temprature is 4 hours,then re-test the Rn, R/Rn≤20% Induction ... : 10 times,Restore time in room temprature is 4 hours,then re-test the Rn,R/Rn≤20% Faill ...