Working principle of magnetic starter

Update date:2017-12-30 Source:maxge

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Magnetic starter by stamping steel shell, steel plate, ac contactor, thermal relay, and the corresponding wiring, when using, should

start with stop button switch, and the correct hand signal cable connection. When press the start button, the magnetic starter of the built-in ac contactor coil electricity, armature drive closed contact group on electrical appliances (general motors) as power supply, at

the same time through the auxiliary contact self-locking. When the stop button is pressed, the internal ac contactor coil is out of

power, the contact is disconnected, and the electrical power is cut off and unlocked.

Brief introduction:

Magnetic starter, by stamping steel shell, steel plate, ac contactor, thermal relay, and the corresponding wiring, when using, should start with stop button switch, and the correct hand signal cable connection. When press the start button, the magnetic starter of the built-in ac contactor coil electricity, armature drive closed contact group on electrical appliances (general motors) as power supply, at the same time through the auxiliary contact self-locking. When the stop button is pressed, the internal ac contactor coil is out of power, the contact is disconnected, and the electrical power is cut off and unlocked.

The magnetic starter belongs to the full-pressure direct starting, which allows the full voltage direct starting to be used in both the power grid capacity and the load. The advantage is that it is easy to control, easy to maintain, and more economical. It is mainly used for the starting of small power motor, which is not suitable for the motor of 11kw.

Features:

The main technical feature is to connect the main contact of each two contactors to connect the main circuit, and

attract the coil to connect to the control circuit. This magnetic starter can be used in a production situation where an electric motor fails to stop and cause an accident after some press stop button.

According to the different control needs, the magnetic starter can also be flexible, so that it can be moved and

replaced. The internal heat relay provides the overload protection of the control motor. The setting current of

the thermal relay should meet the motor power requirement.


Copyright© 2017 www.maxge.com All Rights Reserved.

Copyright© 2017
www.maxge.com All Rights Reserved.

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