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What's the difference between button switch and selector knob switch

　　Button switches, selector switches, switches are common switch, the switch is the one that can make the circuit open circuit, so that the current interrupt or make it flow to other circuits of the electronic components. So what is the difference between the three types of switches in the end?
　　Switch button is actually a single pole single throw switch, the switch is connected to the way is by pressing the switch to switch on the power, and now life the most typical example is the host box of computer switching power supply, just click, you can connect the power button switch in the electronic products in the present application is very broad, general button switch "small handle is in the shape of a wand, length is about 1.5 centimeters or so.
　　Select switch: this switch only a can to the direction of pull a small "handle", this small "handle" in the central position (that is, a small handle and a switch is vertical) is disconnected, to pull in different directions, then connected to different power supply circuit. In the factory of industrial machines can often see.
　　Knob switch: this switch looks like a button, by rotating in different directions, so that the switch is switched on or off state.
　　Switch: generally refers to for power supply, this switch is used to select which power function. This switch is not a simple switch, but a selection of power supply equipment.
　　The combination switch is a switch and other electrical appliances (usually used for power electronics) combined in an electronic device.
　　Of course, switch there is not more than a few, in accordance with the purposes and structure, contact type and number of switches are can be divided into many types, but these are we now live in the more common several, grasp the more common switch information can already.