Hangzhou Yiwan Electromechanical Products Co., Ltd. is specialized in manufacturing large power DC reversing controller. The product has working voltage of main contacter is 0-60V, circuit 200A, three-core controling line, controlling voltage 12-48V option, integrated 8 pair of contacting points with dimension of 86*86*58mm and net weight of 700g, which can cut or reverse circuit direction.