... used, the upper level system must trip off within the setting time when a short circuit or earth fault occurs in the ... resume no fault section timely. It will reduce the working time and minimize the region of power cut. Function1. Short circuit ... (MAX)Power supply: lithium battery 3.6V/2.45AhAuto-reset time : 7s,1hrs,2hrs,4hrs Output relay : 120 V AC 1A ...