Magnetic Contactor SC-N4 Fuji 135A 380 Vac, Magnetic Contactor SC-N4 Fuji 135A 380 Vac, Magnetic Contactor AC
The contactor works on the principle of electromagnetism. Electric current is passed to the coil which produces a magnetic field. This magnetic field pulls the anchor (moving contact) so that the main contact closes, flowing electrical power to the load.
Here is a more detailed explanation:
1. Electric Current to the Coil:
When electric current flows to the contactor coil, the coil will produce a magnetic field.
2. Magnetic Field Pulls Anchor:
This magnetic field will pull the anchor (moving part) on the contactor.
3. Main Contact Closed:
With the anchor moving, the main contact of the contactor will close, allowing electric current to flow from the power source to the load.
4. Auxiliary Contact (Optional):
Some contactors are also equipped with auxiliary contacts (normally open or normally closed) which can be used for signaling or interlocking purposes.5. Closing and Breaking:When the electric current to the coil is cut off, the magnetic field is lost and the armature returns to its original position, causing the main contact to open and cut off the electric current.Contactor Parts:Coil: Is the main component that produces a magnetic field when electric current flows through it.Moving Contact: The moving part that is attracted by the coil's magnetic field, thus closing the main contact.Main Contact: Contact that connects or breaks the electric current to the load.Auxiliary Contact: Additional contacts that can be used for various purposes.Enclosure: Physical protection to protect the internal components of the contactor from dust, dirt, and other hazards.Contactor Function:Contactors are used to control the flow of electricity to loads, such as electric motors, lights, or other devices. Contactors allow automatic switching of electric current using control signals from the control circuit.