This series of high-voltage vacuum contactors, this series of vacuum contactors adopts an integral insulated frame structure, with high-quality vacuum switch tubes, the secondary control is simple and reliable, the performance is stable, and the external installation of an integral insulating cover, beautiful and generous. Our company has optimized the transmission mechanism, which has compact structure, good synchronization performance and small bounce. There are three types of models: electromagnetic holding type, mechanical holding type and permanent magnet holding type, and the appropriate operating mechanism can be selected according to the different uses of users. Our company's mechanical holding mechanism is a patented product, which is stable and reliable in closing and opening, there is no mechanical wear, long life, small closing and opening current, no power consumption, and is an energy-saving product.