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What factors need to be considered in the installation of micro switches?

  There are many kinds of micro switches, and there are hundreds of internal structures. According to the volume, there are ordinary, small, and ultra-small; according to the protection performance, there are waterproof, Dust-proof type, explosion-proof type; according to the breaking form, there are single-connection type, double-connection type and multi-connection type. There is also a strong disconnect micro switch (when the reed of the switch does not work, the external force can also make th
  •  Classification:Micro switch news
  •  Author: AUGO Electronics
  •  Release date:2022-02-20 21:21:40
There are many kinds of micro switches, and there are hundreds of internal structures. According to the volume, there are ordinary, small, and ultra-small; according to the protection performance, there are waterproof, Dust-proof type, explosion-proof type; according to the breaking form, there are single-connection type, double-connection type and multi-connection type. There is also a strong disconnect micro switch (when the reed of the switch does not work, the external force can also make the switch disconnect); according to the breaking capacity, there are ordinary type, DC type, micro-current type, and high-current type. According to the use environment, there are ordinary type, high temperature resistant type (250℃), super high temperature resistant ceramic type (400℃)
Micro switches are generally based on unassisted pressing accessories as the basic type, and small stroke types and large stroke types are derived. Different auxiliary pressing accessories can be added according to the needs. According to the different pressing accessories added, the switches can be divided into various forms such as button type, reed roller type, lever roller type, short boom type, long boom type and so on.
Micro switches are used for automatic control and safety protection in equipment that requires frequent circuit switching, and are widely used in electronic equipment, instrumentation, mining, power systems, household appliances, electrical equipment, as well as aerospace, aviation, ships, missiles, Military fields such as tanks have been widely used in the above fields. Although the switch is small, it plays an irreplaceable role.
Micro switch

Factors to consider when installing microswitches
Learn how switch form factor affects other features
Size matters when choosing a microswitch. Switch size is directly related to its characteristics, including current range, travel, and operating force. For example, one of the smallest microswitches on the market today measures 0.50" x 0.236" x 0.197" (LxWxH). While this tiny switch is suitable for detecting circuit conditions in compact circuit breakers, it typically only interrupts 0.1 to 3 amperes (A) and has a short travel.

Consider environmental conditions
Environmental requirements have a great influence on the selection of microswitches, especially in applications requiring high reliability and criticality such as industrial control and medical equipment. Understand the environmental conditions of the application, including contaminants in the air that may enter the switch, the liquid in which the switch is located, and operating temperature requirements.

Specify operating life requirements
Switch reliability is critical. You need to determine how many electrical and mechanical operating life an application needs? Different switches have different contact materials, housings and terminals to meet the electrical and mechanical life requirements in different applications.

Clarify quality requirements for work use
A highly reliable microswitch can operate 10 million to 20 million times before mechanical failure, and 50,000 to 100,000 times under maximum load before electrical failure. As for the slight price difference between different quality switches, you need to take into account the total cost of use. Because you're not only paying for the switch, you're also paying for the long-term, trouble-free operation of the switch. In many cases, the additional cost of using a more reliable switch is offset by a lower warranty cost during use.



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