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Switches

switch definition

A switch is a device used in electrical and electronic circuits to control the flow of electrical current and can be used to turn a circuit on or off. Every electrical and electronic application uses at least one switch to perform the ON and OFF operations of the device.
Switches are key components of control systems, allowing us to control the functionality of electronic devices and circuits. It is capable of two main functions, namely opening the circuit completely (by closing its contacts) or closing the circuit completely (by opening its contacts).

Switches (2)

What are switches made of?

A switch usually consists of components such as a casing, electronic components, power supply, heat sink, ports, circuit boards, and LED indicators. These components work together to enable the switch to manage network connections and data transfers. Different types of switches have different configurations and features to meet different network needs.

The purpose of the switch

The application fields of switches are very wide, covering various fields such as home, automobile, industry, military, aerospace and so on.
In daily life, our common applications include using rocker switches to control household appliances such as lights, TVs, and computers. In buildings and electrical wiring, multi-way switches are used to achieve multi-site control, such as two-way switches that can control the on and off status of lights at the same time.
In the industrial and military fields, switches are used to control various equipment and systems to ensure their normal operation. In the aerospace industry, switches play a vital role in controlling systems in aircraft and spacecraft. These are just some of the switching applications, and their importance cannot be ignored.

What are the two main types of switches?

Mechanical switches and electronic switches.
Mechanical switches are switches that are operated by manually pushing or flipping a lever, knob, or button. Examples of mechanical switches include toggle switches, rotary switches, push button switches, and rocker switches.

Switches (3)

An electronic switch is a switch that is operated electronically or by a computer or other type of control system. Examples of electronic switches include transistors, relays, and programmable logic controllers (PLCs)

Why switches are so important

Switches are important electronic components because they are used to control the flow of electricity in a circuit. A switch can be used to open or close a circuit, allowing or preventing the flow of electricity. They can also be used to control the direction of electricity in a circuit, allowing current to flow in one direction or another. Switches are also used to control the amount of electricity flowing in a circuit, allowing for different levels of power.

What are the five components of a switch?

A basic switch consists of five functional parts: actuator, snap action, contacts, housing and terminals. Each of these functional parts is made up of smaller parts.

Switches (1)

what is main switch

A master switch is like the main switch for an electronic device or electrical system. It is like the main power switch of the house. When you turn it on, the whole house is powered on and all the lights and appliances can work.
When you turn it off, the entire house loses power and all devices stop working. Therefore, the main switch is used to control the power on and off of the entire circuit system, just like the main power switch in a home.

What is a blue switch

Blue switches are also often called tactile switches or "clicky" switches, and they work well in jobs that require a lot of keyboard input, such as programming or playing strategy games. The blue switches make a crisp click sound when you press them, and you can clearly feel the accuracy of the keys without having to hold them down.