China door switch Manufacturers, Suppliers, Factory

Recently, Yueqing Tongda Wired Electric Factory has once again become the focus of the industry. Its newly launched Micro Switch Ip67 waterproof series has quickly emerged in the market with excellent performance, setting off a new round of innovation in the switch field.

Yueqing, China, [November 22, 2025] — As a classic masterpiece of Yueqing Tongda Wired Electric Factory in the switch field, the old-model Dual Rocker Switch remains a "trusted choice" in smart homes, commercial equipment, industrial auxiliary control and other fields, thanks to its decades-proven reliability, stable performance and wide scenario adaptability. This product, embodying the enterprise's technical accumulation, relies on "pragmatic design + durable quality" to maintain a core position in the stock market amid the wave of new product iterations, demonstrating the enduring value of classic products.

A Long Arm Micro Switch is a compact snap-action switch with an extended lever actuator. It is designed to detect movement, position, or mechanical contact with greater flexibility than a standard plunger micro switch. Because the long lever increases the contact range and reduces the force required to trigger the switch, it is widely used in appliances, industrial equipment, automation systems, vending machines, safety devices, office equipment, and many other electromechanical products. For buyers, engineers, and sourcing teams, choosing the right long arm micro switch is not only about matching the size. Electrical rating, actuator style, operating force, terminal type, durability, installation space, and working environment all affect performance and service life. This guide explains how a long arm micro switch works, where it is used, and what to check before purchasing one.

A miniature limit switch is a small device used for sensing the position or motion of objects in a wide range of applications like automation and machinery. These small devices are very powerful and have become an essential part of many different industries, including manufacturing, robotics, and home automation.