Buy {300A/400A/500A} Products Directly from Manufacturer, Supplying China, Wholesale, Exporter & OEM.

Beijing Xinfa Jingjian Industry and Trade Co., Ltd., a renowned Chinese manufacturer and factory, presents its latest range of circuit breakers suitable for different current capacities. Our circuit breakers are designed to handle electrical overloads and short circuits that may damage your electrical systems.

Our 300A, 400A, and 500A circuit breakers are suitable for use in diverse applications ranging from HVAC, motor control centers, power distribution systems, and more. They are made from high-quality materials, ensuring durability and reliability in harsh environments.

Our circuit breakers also come with features such as thermal magnetic protection and trip-free design, ensuring your electrical systems are protected from damages that may arise due to overloading or short circuits.

At Beijing Xinfa Jingjian Industry and Trade Co., Ltd., we pride ourselves on offering our customers safe, efficient, and reliable electrical products. Contact us today for more information about our circuit breakers, and let us help you protect your electrical systems.
  • Introducing our latest range of high-current rated switches, available in the variants of 300A, 400A and 500A. These switches are designed to handle high currents, making them ideal for industrial applications that require robust and reliable performance. Featuring a compact and modular design, our switches are easy to install and can be customized to meet your specific requirements. Our switches come equipped with silver-plated contacts, ensuring low resistance and high conductivity. This translates to reduced power loss and improved efficiency, even during high-current operations. In addition, they feature rugged construction and are designed to withstand the rigors of heavy-duty usage in harsh environments. The switches have a range of advanced features such as short-circuit protection and overload protection, ensuring maximum safety and reliability. They are also designed to provide easy maintenance, with replaceable internal components and a user-friendly interface for fault diagnostics. Whether you need to control motor currents or manage high-power loads, our switches are the perfect solution. They are suitable for a wide range of applications, including power distribution, industrial automation, and marine systems. Trust in our high-current rated switches to provide reliable and safe operation while ensuring optimal performance.
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