2MT2-1

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Toggle Switches

Toggle switches are one of the most common and traditional switches used in electrical and electronic devices. They are usually used to control the power of a circuit or to set a chosen mode among several available options. The type of switch known as a 2MT2-1, is a single pole double throw (SPDT) switch, also known as a three-way toggle switch. Let\'s take a closer look at this switch and examine its possible applications and working principle.

2MT2-1 Application Field

The 2MT2-1 is a type of toggle switch that has three terminals. The terminals are marked as C, A, and B. It is usually used when there are two power sources that can be alternated from one to the other. The most common application field of this type of switch is to switch between AC and DC power sources. It can also be used in car electrical systems to switch between reverse and forward gears. The three-way toggle switch is also popularly used in audio applications to switch between input sources.

2MT2-1 Working Principle

The 2MT2-1 toggle switch comes in two versions. The first is the momentary type, where the switch provides a connection only while it is pressed and released. The second is the latching type, where the switch stays in the current state until it is switched back manually. The momentary type of toggle switch is usually the used for audio applications. The latching type of switch is usually used in applications where a constant connection needs to be maintained.

When the 2MT2-1 toggle switch is in its OFF position, the C terminal is not directly connected to either A or B terminal. When the toggle switch is flipped to the A position, the C terminal is connected to the A terminal, and when it is flipped to the B position, the C terminal is connected to the B terminal. The connection can be visualized by this schematic diagram.

Conclusion

The 2MT2-1 toggle switch is a three-way switch that is commonly used in electric and electronic devices, most commonly to switch between AC and DC power sources, switch between reverse and forward gears in car electrical systems, and to switch between input sources in audio applications. It is available in two forms: momentary and latching. Momentary type is used for audio applications and latching type is used for applications that need a constant connection. With the help of the schematic diagram it can be understood easily how the switching action takes place.

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