China Micro Switch Producer Manufacturers, Suppliers, Factory

As a premier industrial switch manufacturer in China, Yueqing Tongda Wire Electric Co., Ltd. (hereinafter referred to as "Tongda Electric") has been delivering high-performance electrical solutions to global customers for decades, backed by its extensive technical expertise. In its product portfolio, the company's flagship classic product, the Chinese large rocker switch, continues to show strong market demand worldwide, and is widely used in the energy, machinery, marine and industrial automation sectors.

In core scenarios such as industrial power control, smart home power distribution, and medical equipment power supply, the AC Rocker Switch serves as the "core hub" for circuit on-off. Its current-carrying capacity and safety stability directly determine the operational reliability of equipment. Yueqing Tongda Wired Electric Factory, which has been deeply engaged in electrical manufacturing for 38 years, relies on specialized R&D and precision manufacturing of AC Rocker Switches to break through the pain points of traditional products such as "easy ablation under high load and frequent failures in harsh environments", becoming a benchmark supplier in the AC control field across multiple industries.​

In the field of industrial automation, a seemingly insignificant component often determines the reliability of the entire system. Yueqing Tongda Cable Factory recently announced a technological breakthrough in its independently developed series of 240V Micro Switches. This component, small as a fingernail, is redefining industry standards with its exceptional electrical performance.

Yueqing, China, [November 21, 2025] — In the field of electronic components, new concepts emerge one after another, but the reliability and adaptability of classic products remain irreplaceable. Yueqing Tongda Wired Electric Factory, a benchmark enterprise with over 40 years of experience in electronic component manufacturing, announced today the technical refresh of its DPST Rocker Switch. With industrial-grade stable performance, multi-circuit control advantages, and wide scenario adaptability, it continues to be a core control component in industrial automation, commercial equipment, new energy and other fields, demonstrating the core value of classic products in the new era.

If you’ve ever turned on a household appliance, a small electronic gadget, or a car interior light, you’ve likely used a 2 pin rocker switch. Simple, durable, and widely used, this basic switch controls power flow with just a gentle press—but how exactly does it function? Whether you’re a DIY enthusiast, an engineer, or a buyer sourcing switches for a project, understanding the mechanics, history, and uses of the 2 pin rocker switch will help you make smarter choices.

Roller lever limit switches are one of the most important components of different automation systems. In most cases, they are found in manufacturing and assembly equipment meeting the requirements for controlling equipment that registers the presence of the object in a specific position. Knowing how roller lever limit switches work will allow you to determine their applicability and advantages in operation.