... be supplied PurposeMining Explosion-proof Intrinsically safe with multi-loop vacuum electromagnetic quick plug-in type combination starter ... time display triphase current, system voltage, operation status, loop on-line status,insulation status, fault type and ... A)2000Branch max current(A)400Working frequency(Hz)50Number of loops8,9,10,11,12 loopsContactor capacity (A)400Combination modesEach loop ...