How to select switches?

June 17, 2022

As we all known that the operation of a machine can be controlled by a switch, which is the medium through which we communicate with the machine, but the specifications of the switch are not widely known. Switches in many fields and industries have its indispensable existence, it can be used in household appliances, such as microwave ovens, food mixers. It can also be used in beauty care devices, such as curling irons; Even aerospace technology is used, such as drones and so on.

Yeswitch has 10 basic types of switches, such as pushbutton switch, toggle switch, slide switch, rocker switch, rotary switch, micro switch, key switch, temperature control switch, key switch and indicator light. The choice of switch type depends on the product type and how the product is started.

In order to ensure product quality, the switch needs to pass the inspection of professional certification bodies and get certification. There will be different certifications for different national standards systems. Generally, it is UL (product safety experimental certification provided by the United States certification body), CQC (Quality certification for parts in China), ENEC (uniform certification mark of European countries) and so on.

Is the switching current low or high? It depends on the actual circuit, current of the product. There are generally two current levels: signal level (below 100mA) and power level (equal to or greater than 100mA). You can choose the suitable rated current switch according to the product. We use micro current switches as signal controls in the mA class micro current circuits and also high current switches as main power switches in the main circuits.

The application life cycle, use frequency and product replacement speed all determine the requirements of switch life. Like rice cookers, for example, the replacement speed is slower, but the frequency of use is also high, requiring a longer life of the switch. For example, curling iron, aromatherapy machine, the speed of renewal is faster, the life requirements of the switch is relatively low.

There are also different choices according to the ambient temperature used. Based on the characteristics of the product, there may be special requirements for the ambient temperature applicable to the switch. Yeswitch has a minimum of -40℃ for the use of the environment switch, but also such as household oven such use of high ambient temperature switch.

Whether the switch is dust-proof or water-proof is also a choice factor, depending on whether the product needs to come into contact with water or work in dusty areas, such as some outdoor products.

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Author:

Ms. Miss Pan

E-mail:

amanda@yeswitches.com

Phone/WhatsApp:

+86 18938293667

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