A, micro switch how to choose
1, in the selection of the time, the external dimensions of the micro switch affects other characteristics. It is also important to know that the size is important when choosing a microswitch. Switch size is directly related to its characteristics, including the current range, stroke and operating force; applications that require greater current usually require larger switches, the smaller the switch size, its stroke and the smaller the current can be broken; in addition, the switch's external dimensions also affect the operating force. We should also pay attention to the differential travel of the switch - the distance between the switch's trip position and reset position, the threshold value of which varies depending on the application. Meet your diverse needs.
2, the most can not be ignored to understand the electrical requirements, micro-switches are usually able to break the current from 5mA/5VDC to 25A/250VAC, are basic, engineers must know the specific application of the required current and voltage ratings (AC or DC) in order to choose the right switch; in addition to the load requirements, but also must choose the appropriate circuit.
Two, select the microswitch to pay attention to which
1, first of all, consider the environmental conditions environmental requirements on the choice of microswitch has a great impact on the very important aspects, especially in such as industrial control, medical equipment and other requirements of high reliability and critical applications. Understanding the environmental conditions of the application includes contaminants in the air that may enter the switch, the liquid in which the switch is located, and the operating temperature requirements. For applications in harsh environmental conditions, it is necessary to select a hermetically sealed switch with a wide operating temperature range; at the same time, to prevent the intrusion of liquids.
2, and, clear working life requirements, the reliability of the switch is very critical. We need to understand. Different switches have different contact materials, housings and terminals to meet the electrical and mechanical life requirements of different applications; as for the subtle price differences between different quality switches, you need to take into account the total cost of use. This is because you are not only paying for the switch, you are also paying to ensure that the switch will operate trouble-free for a long period of time. In many cases, the cost will be offset by the lower cost of its warranty over the course of its use.
3. Finally. Check agency certification requirements to choose a switch that meets various international electrical requirements. It's also worth knowing that can help you simplify product design for different regions. Some of the major standard certifications include UL certification in the United States, cUL certification or CSA certification in Canada, ENEC certification in Europe and CQC certification in China. Hong Kong Resources Electronics has now passed ISO9001 quality management system certification, ISO14001 environmental system certification and OHSA18001 occupational health and safety management system certification, TS16949 quality system certification. We are fully involved in the production and management activities to prevent pollution, the world's leading products recorded, access to "China's Ministry of Electronics Industry quality management, the European VDE and other international certificates.
The above is what I introduced to you, how to choose the microswitch, so we will choose the right quality. If you still want to continue to learn more about the decoration information, please continue to pay attention to us. We, will always release the decoration information.