What is the main component of the contactor?
one of which is fixed with a coil and a working voltage. select. In order to stabilize the magnetic force, the suction surface of the core is short-circuited. The AC contactor relies on a spring return after power failure.
The power of the AC contactor is derived from the magnetic field generated by the AC core coil. The solenoid core is made of two "mountain" shaped silicon steel sheets
AC contactor contacts, made of silver tungsten alloy, with good conductivity and high temperature ablation
The main contact is generally open contact, and auxiliary contacts often have two pairs of normally open contacts and normally closed contacts, small contactors are often used as intermediate relay with the main circuit.