Classic Lever Limit Switch Empowers Industrial Safety
[Yueqing News] Yueqing Tongda Wired Electric Factory (Brand: WEIPENG), a national high-tech enterprise with over 30 years of expertise in industrial control Switches, has become a trusted supplier in the global industrial automation sector with its classicLever Limit Switch series. As a core safety component for equipment stroke control, this time-tested product has won continuous bulk orders from heavy machinery, logistics and automation industries worldwide, thanks to its precise triggering, ultra-durability and strong environmental adaptability.
Founded in 1990, Yueqing Tongda has built a comprehensive R&D and production system with 94 patented technologies, and its products have obtained international certifications including UL, VDE, CE and CQC. The classic Lever Limit Switch series, optimized from mature models, inherits the enterprise's 30-year manufacturing craftsmanship while meeting modern industrial precision control needs. Its performance stability has been fully verified in thousands of industrial projects, making it a preferred choice for well-known domestic and foreign industrial enterprises.
The product's core competitiveness lies in three key aspects. Equipped with a high-strength alloy lever and roller bearing structure, it achieves a trigger stroke error of ≤0.1mm, accurately realizing equipment stroke limitation and avoiding safety accidents caused by deviation. With high-quality silver alloy contacts and heat-resistant engineering plastics, it complies with EN 61058-1 standard, boasting a mechanical life of over 10 million cycles and electrical life of 1 million cycles, adapting to high-frequency operation scenarios. Its IP65 protection level and integrated sealing design enable stable work in harsh environments with temperatures ranging from -40℃ to 85℃, resisting dust, oil and water spray erosion.
Widely applied in various industrial fields, the switch plays a crucial role in anti-overtop limit control of bridge cranes, reducing equipment over-limit failure rate by 60% for a port machinery enterprise. It also ensures precise positioning in automation production lines and AGV stroke control in logistics warehousing, improving production efficiency by 35% for users. Backed by a full-process quality management system, the product undergoes 12 core tests, ensuring 100% factory qualification rate. With two production bases in Yueqing and Qidong, the enterprise achieves an annual output of 10 million units and a 7-15 day delivery cycle, meeting large-scale procurement needs.
A company representative stated that with the upgrading of global intelligent manufacturing, demand for high-reliability lever limit switches is rising. Yueqing Tongda will continue to optimize core technologies, develop IP67 and intelligent monitoring derivatives, and expand overseas markets via the RCEP agreement, bringing its classic and reliable switch solutions to more global industrial customers.











