Pushbutton switch mainly refers to the light key switch, also known as light switch, key switch, is a kind of electronic switch, belongs to the category of electronic components, known as sensitive switch, use to meet the conditions of the operating force to the switch operating direction of the pressure switch function is closed on, when the sprinkler pressure switch that is disconnected, and its internal structure is to rely on the change of the metal shrapnel force to achieve the on and off.
 
Self-locking switch generally refers to the switch comes with a mechanical locking function, press down, let go of the button is not completely jumped up, in a locked state, need to be pressed again in order to unlock the completely jumped up. Early direct complete power outage amount of television sets, monitors is this kind of switch.
  
Non-locking switch generally refers to the switch will automatically jump up when pressed, press once to open, release to close, that is, without mechanical locking function. Like a doorbell switch.
 
Rated current: 0.5A 

Rated voltage: DC12V 

Conventional heating current: 6A 

Electrical life: 50,000 times 

Operating temperature: -25～55℃ 

Shell material: plastic 

Mechanical life: 100,000 times
 
Protection grade: IP20 

Contact Material: Copper with silver plating 

Latching : Self-locking switch generally refers to the switch comes with a mechanical locking function, press down, release the button is not completely jump up, in a locked state, need to press again, only to unlock completely jump up. It is called self-locking switch.

Momentary : Press to turn on, let go to disconnect, such as the doorbell switch is. A non-locking key switch can also be used with a relay or electronic circuit to achieve a self-locking circuit.