Belonging to panel control circuit switches, the internal contacts can be switched or selected by rotating the knob. According to the number of poles, it can be divided into single blade, double blade, and multi blade types. According to the structural method, it can be divided into single-layer and stacked types. According to the contact state, it can be classified as short-circuit type (MBB) and non short-circuit type (BBM); According to the usage environment, products are divided into non sealed, panel sealed, etc. Currently owned KX1、KX2、KX003、KX005、KX006、KX124、KXAN016、KX020、KX020A、KX035、KX035A、KX30、KXC08、KXC10、KXC11、KXT、KXT6、KXT10、KXT20、KXT25、XT63、KXG20、KXG80 Waiting for over 20 series.