People's vision is very high now. Some things can't be ignored, especially some household appliances at home. We have high requirements for those products. According to the usage habits, people widely use rotary switches in household products to control our household appliances, such as juice dispensers, food conditioners, grinders, heaters, ovens, ice breakers, etc.. These products not only have their own powerful electrical functions, but also focus on the appearance and internal safety of products, and rotary switches are the first important electronic parts of such products. It has the advantages of high electrical performance and low cost, and fits the human operation handle. Therefore, people like to choose the electrical appliances actuated by the rotary switch, so it is widely used by people. This is inseparable from its own advantages.

With the needs of the development of our daily life, the development of household electrical appliances is diverse, practical and humanized. There are various needs for switches. Rotary switches can be seen everywhere in our modern household electrical products. Rotary switches are widely used in many places. Rotary switches are small devices that allow current to enter the selected conduction path, It is a direct and reliable access between people and electrical appliances or machines.

The common application of rotary switch is: it is used for function selection and file level selection in test equipment, and for the selection of upper gear of electric fan, tea cooker, microwave oven, ironing machine, stove and washing machine in our life.