China 5A 250V Micro Switch   Manufacturers, Suppliers, Factory

One possible reason for poor contact of the micro switch may be the adhesion of dust to the copper sheet or switch contacts. It is recommended to use sealed electric switches. Another reason is damage caused by harmful gases in the natural environment, which leads to the formation of insulating film layers on the surface of the joint.

In fields such as smart homes, industrial automation, and medical equipment, Micro Switch (micro switch) has become a key component for achieving precise control, thanks to its "high sensitivity and miniaturization" characteristics. Yueqing Tongda Wired Electric Factory, which has been deeply engaged in the switch industry for more than 30 years, provides reliable precision control solutions for various industries through its dedicated R&D and precision manufacturing of Micro Switches, and has become an important force in promoting the localization development of micro switches.​

Yueqing, China, October 7th , 2025 – In the field of electronic components, while small, the micro switch is a key component for precise control and ensuring safe operation in numerous devices. Recently, reporters learned from Wenzhou Tongda Electric Co., Ltd. in Yueqing that leveraging years of technical expertise and lean production in the micro switch field, its core product series—the 12V Micro Switch—has performed exceptionally well in the market. It has gained high recognition from clients in various sectors including home appliances, automotive electronics, and smart home systems, with order volumes showing steady and continuous growth.

Yueqing, November 15, 2025 — Yueqing Tongda Wired Electric Factory, with 35 years of experience in switch manufacturing, recently announced that its Micro Snap Switch series has completed technical iteration and achieved large-scale mass production. Leveraging the independently developed patent for "rapid reset triggering mechanism", the series has realized three major upgrades in response speed, environmental resistance, and adaptation flexibility, and has successfully partnered with leading enterprises in industrial automation, smart homes, consumer electronics and other fields, becoming the preferred choice for precise control solutions in the segmented market.