AC contactors?herein after called contactors? are maily used as follows:
a) AC 50Hz;
b) Rated operation voltage up to 660V
c)Rated operation current can be up to 370A in AC380V and 268A in AC 660V conditions when contactors used for AC-3?AC-4 utilization category electric power system. the product can be used for remote making and breaking or starting and controlling AC motors frequently. it can be combined with suitable thermal overload relay or electronic protection device to form electromagnet starter to protect circuit from overload.
contactors conform to GB14048.4 and IEC60947-4-1 standards?