1. Symbols used to represent models
LA,GQ,XB2,LAY3,Y090,AD16... This common letter indicates the type of Pushbutton switch, indicating different product categories, there are plastic switches, there are metal buttons, and signal indicators.
2. Parameter symbol for the color of the button
The colors here include the lamp bead color with the light and the button head color. Common ones are R (red), green (G), white (W), black (N), blue (B), yellow (Y), and orange (O). It should be noted that black is usually distinguished by the letter N and the blue B.
3. Letter symbols used to represent the shape of the head
The head shapes are mainly as follows: common round (Y), square (F), rectangle (J), mushroom head (M), spherical (S). Special doorbell type (M) : see product GQ16M-10 for details.
4. Symbols for modes of operation
This is a lot, but also to distinguish a variety of button switches, indicators of the key symbols, listed here are some common. Open type operation (K), protection type (H), water discharge type/quick installation type (S), explosion-proof type (B), knob switch (X), Key Switch (Y), emergency stop switch (TS), self-locking operation (Z), single point with light button (D), ring with light button (E), window with light button (DJ), handle button (XB); Double button (S). You can see that the notation here is very complex.
5. A letter symbol representing the shape of a key
This is very common in metal pushbutton switches, common are flat circle (F), high circle (H), convex circle (C), high convex circle (G). This symbol is not usually used. You don't have to memorize it.
