The basic components of AC contactor

AC contactor has four main components: (1) electromagnetic systems, including attracting coil, moving core and static core; (2) contact system, including three sets of main contacts and one or two  mcb circuit breaker of normally open, normally closed auxiliary contacts, which are linked and mutually movable core linkage; (3) interrupter device, the general content

Large amount of AC contactors are equipped  electri cenergy meter  device to quickly cut off the arc, from burned main contact; (4) insulated housings and accessories, all kinds of springs, transmission, short-circuit ring, terminal and so on.

Electrical Symbols AC contactor graphic symbols