What are the classification of contactors?
he contact material in the repeated breaking after the gradual loss of contact with electrical wear serious, resulting in DC contactor scrapped, can not break circuit The [1]
arc time is relatively long, in order to fully release the circuit The remaining energy. The combustion of the arc produces high temperature and strong light, the surface of the contact has a serious ablation,
DC current compared with the AC current, there is no periodic current value of the zero-crossing point, so the traditional contactor breaking circuit, the contact between the arc is more intense
