... ;Real-time display triphase current, system voltage, operation status, loop on-line status,insulation status, fault type and others;With ... in typeTechnical Data TypeQJZ(QJZ1)-2000/1140,660-4,6,8,9,10,11,12StructureContactor: the control box is type ... current(A)400Working frequency(Hz)50Number of loops4,6,8,9,10,11,12loopsContactor capacity (A)400Combination modesEach loop can combine arbitrarily