... Real-time display triphase current, system voltage, operation status, loop on-line status,insulation status, fault type and others;With ... of 4KVA/127V(220V).QJZ-2000/1140(660)-4(6.8.9.10.11.12)Disk Type QJZ1-2000 ... /1140(660)-4(6.8.9.10.11.12) Quick plug-in typeTechnical ... Data TypeQJZ(QJZ1)-2000/1140,660-4,6,8,9,10,11,12StructureContactor: the control box is ...