Classification and model description of button switches

来源:Dongguan Yanghan Industrial Co., Ltd.  时间:2022-05-26

Push button switches can be classified by operation method and maintenance method:
1. Waterproof: The shell is sealed to prevent rainwater aggression. code s
2. Anti-corrosion type: It can prevent the intrusion of chemical corrosive gases. Codenamed f.
3. Explosion-proof type: It can be used in places containing explosive gas and dust without causing explosion propagation, such as coal mines and other places. code b.
4. Knob type: The contact is rolled by hand and has two positions, open and closed, generally a panel device. Codenamed x.
5. Key type: The key is inserted into the rotating operation, which can prevent misoperation or be operated by a special person. codenamed y
6. Open type: suitable for embedding and fixing on the panel of switch board, control cabinet or console. The code name is k.
7. Maintenance type: with a maintenance case, which can prevent the internal button parts from being mechanically damaged or people touching live parts. codenamed h
8. Emergency type: There is a big red mushroom knob protruding, which is used to cut off the power in an emergency. The code is j or m.
9. Self-sustaining button: The button is equipped with a self-sustaining electromagnetic mechanism, which is mainly used in power plants, substations or test equipment. Operators exchange signals and send commands, usually panel operations. Codenamed z.
10. Illuminated button: The button is equipped with a signal light, which is not only used for announcing operation instructions, but also for signal indication, mostly used on the panels of control cabinets and consoles. code d.
11. Combination type: Multiple button combination. code e.
12. Interlock type: Multiple contacts are interlocked with each other. code c.
Finally, the model depiction of the push button switch. Usually we may see a string of characters on the button switch, including letters and numbers, and even horizontal bars. I don't know what these symbols mean. Next, I will describe the meaning of these strings:
For example:
PB-01 mouth mouth R mouth.
Symbolic product name code.
Symbolic product model code.
The number of symbol buttons.
1: Indicates 2 buttons.
2: Indicates 4 buttons.
3: Indicates 6 buttons.
4: Indicates 8 buttons.
5: Indicates 10 buttons.
6: Indicates 12 buttons.
Additional action buttons, matching the code of the symbol product.
None: There are no function control buttons.
e: Indicates that there is an urgent abort button in the product.
R: Indicates that there is a start button in the product.
s: indicated in the product. There is an abort button.