Welcome to Tengzhou Hoyong Machinery Co., Ltd., a leading manufacturer and supplier of high-quality electrical products in China. We are proud to introduce our latest product lineup, including the J21 and JD21 series of circuit breakers. Our J21 series features models with current ratings of 63A, 80A, and 160A, providing reliable protection for electrical circuits in various industrial and commercial applications. These circuit breakers are designed to efficiently interrupt electrical currents in the event of overloads or short circuits, safeguarding equipment and preventing potential hazards. For more demanding power distribution needs, our JD21 series offers circuit breakers with higher current ratings, including 63A, 80A, 100A, and 125A. These robust and durable circuit breakers are ideal for heavy-duty applications, providing reliable and long-lasting protection for electrical systems. At Tengzhou Hoyong Machinery Co., Ltd., we are committed to delivering premium products that meet the highest industry standards. As a trusted factory in China, we take pride in our exceptional quality and customer satisfaction. Contact us today to learn more about our J21 and JD21 series circuit breakers.