AD020-02E

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Magnetic Sensors - Switches (Solid State) are a type of electronic sensing device which detects changes in the external magnetic field and produces an output which is used as a trigger. Specifically, the AD020-02E is a dual channel Hall-effect switch, designed to detect and control the flow of alternating and direct currents.

The AD020-02E utilizes two channels to allow the switching of two powerful electric currents such as in appliances or motor-driven machinery. It consists of three parts: a switching armature, a Hall-effect sensor, and two sensitive contacts. The switching armature is triggered by a magnetic field (generated by an external magnet or by the electric current passing through it) to activate a contact with a return spring, which closes or opens the two sensitive contacts.

The Hall-effect sensor, which is an integrated circuit, detects changes in the external magnetic field and sends an electrical signal on receiving the magnetic flux from its adjacent elements. The magnetic flux is then converted to an electrical signal, which provides the switching armature with the required power to activate the sensitive contacts. As a result, the electrical current is routed in or out of the circuit.

The AD020-02E is mainly used in applications where the precise switching of powerful electric currents is required. For example, it is used in the heating systems of vehicles, in automated machinery, and as switches in heavy industrial pumps. It is also used in automotive systems for the detection of wheel speed and for controlling engines. Furthermore, the AD020-02E has the ability to detect intermittent currents in which the current only flows for a brief period.

In conclusion, the AD020-02E is a dual channel Hall-effect switch which, by utilizing a Hall-effect sensor, detects changes in the external magnetic field and provides reliable switching of powerful electric currents. It is mainly used in heavy duty machinery, automotive systems, and automated machines where the precise switching of electric currents is critical in preventing accidents and ensuring accuracy.

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