Belonging to panel control circuit switches, the on/off control of contact circuits is achieved through the action of panel buttons. According to the circuit state, it can be divided into single group, double group, and multiple group, and according to the operation mode, it can be divided into normally on type and transient on type; According to the usage environment, products are divided into non sealed, panel sealed, etc. Some products come with indicator lights for display. Currently owned KAN01、KAN04、KAN11、KAN14、KAN30、KAN31、KAN51、KAN61、KAN307、KAN389、KAN427、ANC、KAN-A5、KAN-A8 Waiting for over 50 series.