Abstract:That this dissertation is designed is 63A three pole AC Contactor,The base draing lessons from external same's produce design idea and the analysis prototype of a machine being living is geted off ,The magnetic field that the three dimensions finites element baseded on were analysed electromagnetism system inside distributes , and adopts the ANSYS software to the exchange contactor electromagnetic iron to have carried on optimization and design ,Selecing the most splendid design scheme design .The main substance designed is : Contact finger system design together with calculation ,Put out arc system design together with calculation and electromagnetism system design together with calculation .
Keywords: contactor;contact;arc-extinction-chamber;electromagnet;optimal design