Button switches,micro switch,slide switch,rocker switch

What are the classification of button switches

2021-02-26 08:52:37

Button switches are classified according to purpose and structure of contacts.
1,normally close button. 2,normally open button. 3,compound button.

Button switches can be classified according to operation mode and protection mode.
Common button categories and features:
1, waterproof: with a sealed shell, can prevent the invasion of rain.The code name is S.
2, anticorrosive type: can prevent the chemical corrosive gas invasion.The code name is F.
3. Explosion-proof type: it can be used in places containing explosive gas and dust without causing explosion transmission, such as coal mine and other places.The code name is B.
4. Knob type: rotate the operating contact by hand with two positions of on and off, generally panel mounting type.The code name is X.
5. Key type: key insertion and rotation for operation can prevent misoperation or special operation.The code name is Y.
6. Open type: suitable for mounting and fixing on the panel of switch board, control cabinet or console.The code name is K.
7. Protective type: with protective shell, it can prevent the internal button parts from mechanical damage or human touch live parts, code H.
8, emergency type: a large red mushroom button head protrudes from the outside, used for cutting off the power supply in case of emergency.The code name is J or M.
9. Self-holding button: the self-holding electromagnetic mechanism is installed in the button, which is mainly used in power plants, substations or test equipment. The operators exchange signals and give instructions, etc., generally for panel operation.The code name is Z.
10. Button with light: the button is equipped with a signal lamp, which is used for issuing operation orders and signals, and is mostly used in the control cabinet and the control panel.Code D.

11. Combination type: multiple button combinations.The code name is E.

12. Interlocking: multiple contacts interlock each other.The code name is C.

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