1，What is the difference between latching(maintained or locked) and momentary (reset)function?

For push button switch it has the following fuctinons,Latching,also call Maintain or locked.Momentary also call reset.

Latching

When you push the button and release the finger,the button lock and concave.when you push again and the button come up back to the original position automatically.

 

Latching with LED.1NO+1NC

 

A,The light always on.when you push the button the device power on ,when you push again,the device power off.

 

B,When you push the button,the light on and the device  are power on,when you push again,both the switch 's light and the device are power off.

 

Momentary or reset.

When you push the button and release the button come back to the original position automatically.

A,Momentary on.

It is always power on.When you push the button it is power on and when you release it is power off.

B,Momentary off.

It is always power on.When you push the button it is power off and when you release it is power on.



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