Pushbutton switch symbols knowledge inventory absolute posture!

Button switch is the most common type of small electrical appliances we live and work to do, mention button switch, we are not unfamiliar with, but if you really want to let you say a so and so on its symbols, and accurately answer the button switch symbols represent the meaning of, or will let a lot of people a little bit of froze, and even confused. The following editorial collection of information on the button switch symbols for a detailed discussion, you can rise posture!

Through the Internet, can not find a good detailed description of the button switch and indicator products of the meaning of each symbol of the article, here slightly introduce some commonly used letter symbols meaning, I hope to help. It should be noted that, in general, the pushbutton switch and indicator products as a class to be discussed.

Pushbutton switch symbols:

1: symbols used to indicate the model number

LA,GQ,XB2,LAY3,Y090,AD16 ... This most most common letters to indicate the model number of the pushbutton switch, indicating different product categories, there are plastic switches, but also metal buttons, and signal indicator lamps.

2: the parameter symbols indicating the color of the button

The color here includes the color of the lamp bead with the light and the color of the head of the button. More common are R (red), green (G), white (W), black (N), blue (B), yellow (Y), orange (O). It should be noted that the black color is generally distinguished from the blue B by the letter N.

3: The letter symbols used to indicate the shape of the head

The head shapes are mainly the following: the most common are round (Y), square (F), rectangular (J), mushroom head (M), spherical (S). A more special type is doorbell type (M): see product GQ16M-10.

4: Letter symbols indicating the shape of the key

This is very common in metal pushbutton switches, and the common ones are flat round (F), high flat round type (H), convex round (C), high convex round (G). Such symbols are generally not commonly used. It does not need to be memorized on purpose.

5: symbols used in the mode of operation

This is the most, but also to distinguish between a variety of buttons and switches, the key symbols of the indicator light, here is a list of some of the most common. Open type operation (K), protective type (H), drain type / quick installation type (S), explosion-proof type (B), rotary switch (X), key switch (Y), emergency stop switch (TS), self-locking operation (Z), single-point buttons with lamps (D), ring with lamps knob (E), window with lamps knob (DJ), rotary knob buttons (XB); two-position knob (S). As you can see this side has the most and most complex symbols.

6: More symbols

Such as the material of the button, caliber and a series of symbols.

Model number

Rated voltage/V

Rated current/A

Structural form

Number of pairs of contacts (vice)

Number of pushbuttons

Pushbutton color

Normally open

Normally closed

LA2

Elements

1

1

1

Black, Green, Red

LAl0-2K

Open

2

2

2

2

Black, Green, Red

LAl0-3K

Open

3

3

3

Black, Green, Red

LAl0-2H

Protected

2

2

2

2

Black, Green, Red

LAl0-3H

Protected

3

3

3

Red, Green, Red

LAl8-22J

500

5

Element (Emergency Type)

2

2

1

Red

LAl8-44J

<

Element (Emergency)

4

4

1

Red

LAl8-66J

Element (Emergency)

6

6

1

Red

LAl8-22Y

Element (keyed)

2

2

1

Native

LAl8-44Y

Element (keyed)

4

4

1

Native

LAl8-22X

Element (Knob Type)

2

2

1

Black

LAl8-44X

Element (Knob Type)

4

4

4

1

Black

LAl8-66X

<

Element (Knob Type)

6

6

1

Black

LAl9-11J

Element (Emergency Type)

1

1

1

Red

LAl9-11D

Element (with indicator)

1

1

1

1

Red, Green, Yellow

Blue, White

After a few words about the symbols of the pushbutton indicators above, it's good to understand the Various types of button switch signal meaning, let's say: plastic button switch LAS1Y-11Y/2. For this model, LAS1 for the model parameter symbols, the first Y that the head shape of the round, followed by the Y that the mode of operation for the key switch. 11 that the combination of switches, so you can follow the convenient understanding of the model of a button and the meaning of the representative of the

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