China wholesale Push Button Doorbell Supplier – 19/22mm Stainless Steel shell Push Button Elevator Key Switch – LVBO

Mechanical key switches,diamter19/22mm,stainless steel shell

The contact of this push button key is silver contact, 绿波which has good conductivity.
The contact form includes two gears of 1NO1NC, three gears of 2NO2NC.
The push button key has a very wide range of applications, such as electronics, appliances, cars, machines, computers, entrance guards, etc.

The function description of the metal round lock push button key switch.

The push button key has two functions of self-lock and self-reset.

Self-lock push button key means that turn the key with your finger, the contact point of the key will not return automatically, and the machine is energized.

If you turn the key back, the push-button switch is off, and the machine is powered off.

The shell material is divided into stainless steel and copper plated nickel.

The product with the stainless steel adopts the 304 stainless steel material, which is durable, antioxidant, effective flame retardant, and has longer service life.
The product with push button electrical switch has the advantage that its appearance is beautiful after plating treatment, usually used in test equipment and automation equipment, the cost is more affordable than other two materials.
The metal casing can improve the grade of the device and attract the attention of developers, and the key switch is favored by consumers.Stable quality and long service life. The key of its switch are diversified. It can be customized according to requirements.