Type 86 switch: The most common switch socket is the appearance of the square, its size 86mmx86mm.
Type 118 switch: Type 118 switch generally refers to the horizontal bar switch, it is generally free combination of design: In the border inside the card into a combination of different functional modules.
Type 120 switch: 120 Common module is based on 1/3 standard, that is, in a vertical standard 120mmx74mm panel, can install three 1/3 standard modules, module by size divided into 1/3, 2/3, 1 three.
46 Switch: Wide is a common switch socket twice times, such as some four-bit switches, 10-hole sockets and so on, the panel size is generally 86mmx146mm or similar size, installation hole Center distance of 120.6 ㎜, note: Long cassette to install.