19MM Metal Round Lock Push Button Key Switch

  • Mode: FLM19-11KJ
  • Voltage: 2V, 3V, 5V, 6V, 12V, 24V, 110V, 120V, 220V, 250V, 380V
  • Current: 5A
  • Keyword: Push button key
  • Material: Copper, Stainless Steel
  • Certification: CE, CCC, ROSH, IP65, UL
  • Waterproof grade: IP65
  • Wire specification: AGW22
  • Email: [email protected]
  • Download PDF: 19mm metal round lock push button key switch

Push button key parameters

Production Series FLM19-11KJ Light Guide Button
Button Shape round Actuator 304 Stainless steel
Button LED Color Housing Sleeve H59 nickel plated brass/304Stainless steel
Mechanical Life The 500 thousand time Button Pin H62 copper alloy
Electrical Life The 100 thousand time Rubber Ring SIL silica gel
Protection Level IP65 IK08 Nut H59 nickel plated brass
Rated Voltage 36V(DC)250V(AC) Housing PA66+GF20% nylon
Rated Current 1A(DC)5A(AC) Light Source
Rated Power 180W(DC)1250W(AC) Resistor Metal film
Operating Temperature -25℃~+85℃ Contact AgCdO12

The description of the 19mm metal round lock push button key switch.

Regarding this metal key switch, the mounting diameter is 19mm, and the operation type is a self-locked type.

The rated voltage of this push button key is 4A, AC/DC3V-220V, and the protection rating is IP66/IK90. It is built-in waterproof sealing ring, which can be effectively waterproof.

The base material is PA66, which has the function of temperature resistant and flame retardant, it is suitable for a harsh use environment.

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

  1. The product with the stainless steel adopts the 304 stainless steel material, which is durable, antioxidant, effective flame retardant, and has longer service life.
  2. 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 contact of this push button key is silver contact, 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. Please refer to the below picture,

how to install push button start without key

How to connect a push button key lock?

There are two connection ways, as follows.

  1. The normally open wiring way, press it, the load is energized, press it again, the load is blackout.

2. The normally closed wiring way, the product is energized, the load is energized, press down the push-button, the load is blackout.


The function description of the 19mm 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.

How to buy the push button key?

If you’re interested in our products, or you have special requirements, you can inquiry to us, our email address is [email protected].

We will arrange for a professional salesman to contact you and give you the best services and prices when we receive the email.

filn sales-team

If your purchase quantity is relatively small, you can place an order at, we will arrange the delivery on the same day.

Regarding the purchasing, what are the payment ways?

In general, our company accepts PayPal, T/T, West United.

How to ensure the quality of the push button key?

The waterproof push-button switch of Filn had passed the certifications of UL, CE, RoSH, ISO90001. Besides, it also has a professional push-button switch testing laboratory, which can ensure the product’s quality.

Filn has 11 years of experience in push-button producing and also has a professional research and development technology team.

Except for this push button key, Filn also produces other different types of push-button switches, such as indicator lights, rocker switches, smart touch screens, etc. If you want to know more, please visit our homepage.

Indicator manufacturer
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