{"id":98594,"date":"2024-01-13T14:44:50","date_gmt":"2024-01-13T12:44:50","guid":{"rendered":"https:\/\/gahzly.com\/%d9%85%d8%a7-%d9%87%d9%88-%d8%a7%d9%84%d9%83%d9%88%d9%86%d8%aa%d8%a7%d9%83%d8%aa%d9%88%d8%b1-%d9%88%d9%85%d8%a7-%d8%b7%d8%b1%d9%8a%d9%82%d8%a9-%d8%b9%d9%85%d9%84%d9%87-%d9%88%d9%85%d9%83%d9%88%d9%86\/"},"modified":"2024-01-13T14:56:11","modified_gmt":"2024-01-13T12:56:11","slug":"what-is-the-contactor-how-it-works-and-its-components","status":"publish","type":"post","link":"https:\/\/gahzly.com\/en\/\u0645\u0642\u0627\u0644\/what-is-the-contactor-how-it-works-and-its-components\/","title":{"rendered":"What is the contactor, how it works, and its components"},"content":{"rendered":"
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What is the contactor, how it works, and its components<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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What is the contactor, how it works, and its components<\/span><\/span><\/figcaption><\/figure>\n

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In the field of electrical engineering and industrial automation, <\/span><\/span>contactors<\/span><\/span><\/a> are considered one of the main devices that play a vital role in controlling and operating electrical circuits. A contactor<\/span><\/span>is known as an electrical control device used to open and close electrical circuits, and is characterized by its ability to control the operation or stopping of electrical devices in an effective manner.<\/span><\/span><\/a> <\/strong><\/p>\n

Contactor components:<\/span><\/span><\/h3>\n
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  1. Electromagnetic coil:<\/span><\/span><\/strong>The electromagnetic coil is an essential part of the contactor installation. This coil is connected to the power source, and when activated, it creates a magnetic field that moves the electric arm of the contactor.<\/span><\/span><\/li>\n
  2. The electrical switch:<\/span><\/span><\/strong> The contactor is characterized by the presence of an electrical switch that disconnects or connects the electrical current. When the electric lever is moved, the switch is opened or closed to allow or prevent the flow of electrical current.<\/span><\/span><\/li>\n
  3. Control unit:<\/span><\/span><\/strong> The control unit is an important part of the contactor, as it allows on and off parameters to be set and defined based on the specific needs of the electrical application.<\/span><\/span><\/li>\n<\/ol>\n

    How the contactor works:<\/span><\/span><\/h3>\n

    When the electromagnetic coil is connected to the power source, a strong magnetic field is generated that attracts the electric arm and opens the electric switch. The contactor is thus able to disconnect the electrical circuit and prevent the flow of current. When the power is disconnected, the electrical appliances connected to the circuit are turned off.<\/span><\/span><\/p>\n

    Conversely, when the electromagnetic coil is disconnected from the power supply, the magnetic field retracts and allows the electric arm to close again, making the switch contact current and current returns to flow in the circuit.<\/span><\/span><\/p>\n

    In short, <\/span><\/span>the contactor<\/span><\/span><\/a> is an essential device in the world of electrical control, as it contributes to turning on and off electrical circuits in a safe and efficient manner.<\/span><\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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    Installation<\/span><\/span>The contactor<\/span><\/span><\/a> includes several basic components that work in harmony to achieve the required electrical control. The contactor consists of two iron cores, which are an essential part that plays a vital role in the control process. These two cores are made of silicon wrought iron metal strips, to reduce eddy currents that cause overheating and energy loss. One core is fixed, while the other is mobile.<\/span><\/span><\/p>\n

    The composition of the contactor also includes other components that play an important role:<\/span><\/span><\/p>\n

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    1. Fixed iron core:<\/span><\/span><\/strong> This core is shaped like the letter E and is surrounded by an insulated wire wrapped around a spool of insulating material, such as plastic. This coil, known as a coil (COIL), has a specific number of turns and a specific thickness of wire, depending on the voltage it operates on.<\/span><\/span><\/li>\n
    2. Moving iron core:<\/span><\/span><\/strong>This core carries several main and auxiliary contact points, and is moved by the magnetic effect resulting from the coil current.<\/span><\/span><\/li>\n
    3. The coil (COIL):<\/span><\/span><\/strong> consists of a copper wire insulated with varnish and wrapped around a plastic or fiber spool. When a certain voltage is applied to its terminals, a magnetic field is generated.<\/span><\/span><\/li>\n
    4. Touch points:<\/span><\/span><\/strong>\n