There are many types of micro switches. There are hundreds of internal structures. According to the volume, there are basic, micro and ultra micro; According to the protection performance, it is divided into waterproof type, dustproof type and explosion-proof type. According to the type of disconnection, there are single connection type, double connection type and multi connection type. There is also a microswitch with strong breaking force (when the reed of the switch does not work, the external force will also disconnect the switch); According to the breaking capacity, there are ordinary type, DC type, micro current type and high current type. According to the service environment, there are ordinary type, high temperature resistant type (250 ℃) and ultra-high temperature ceramic type (400 ℃).





Microswitches are usually based on non auxiliary press accessories, and derive small stroke types and large stroke types. Different auxiliary pressing accessories can be added as required, and according to the different pressing accessories added, the switch can be divided into button type, reed roller type, roller lever type, short lever type, long lever type and other forms.



Microswitches are used for automatic control and safety protection in equipment requiring frequent circuit replacement. They are widely used in electronic equipment, instruments, mines, power systems, household appliances, electrical equipment, aerospace, aviation, ships, missiles, tanks and other military fields, and have been widely used in the above fields. Although the switch is small, it plays an irreplaceable role.





At present, microswitches in the domestic market vary from 3W times to 1000W times according to different requirements, generally 10W, 20W, 50W, 100W times, 300W times, 500W times and 800W times. Domestic general beryllium bronze, tin bronze and stainless steel wire are used as shrapnel.