40mm Red 12VLager Big Push Button Switch

Big push button switch parameters

Production Series FLM40-11FEJ Light Guide Button PC plastic
Button Shape round Actuator 304 Stainless steel
Button LED Color Red blue green yellow white 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 IP67 IK08 Nut H59 nickel plated brass
Rated Voltage 250V Housing PA66+GF20% nylon
Rated Current 5A Light Source LED
Rated Power 1250W Resistor Metal film
Operating Temperature -25℃~+85℃ Contact AgCdO12

The description of the 40mm 12V large red big push button switch.

The biggest advantage is that the product size is big, especially on relatively large device. A small size push button switch is not easy to operate, so a large button is needed. Here is the detailed introduction.

The mounting hole size of the product is 40mm, and the head diameter is 45mm, the diameter of the key cross-section is 33.5mm. So the product greatly increases the area of the operating surface. It is even easier to use.

In addition to the size of 40mm, we can produce the product, which size is 12mm, 19mm, 22mm, 25mm, 28mm, 30mm.

The product’s sleeve shell material is 304 stainless steel, which has high corrosion resistance. It is suitable for using in harsh environment without rapid rust. The material for the sleeve also includes brass nickel-plated and black zinc aluminum alloy.

However, these two are not the materials commonly used for large size product. If customer want to this two types material, we need to customize and the delivery time will be long.

The shell of the brass nickel-plated product looks brighter, which is cost-effective. The black zinc aluminum alloy is suitable for appliances requiring black buttons.

push button switch material

The product’s functions are mainly divided into 4 types, such as 1NO, 2NO, 1NO1NC, 2NO2NC. The big push button switch’s functions are 1NO1NC and 2NO2NC.

The product has two functions of self-lock and self-reset. Self-lock means that press down the key, it do not return automatically. Need to press again to return.

Self-reset means that press down the key, release your hand, the key will return automatically.

 19mm Push Button Lamp Switch

The product can be produced with lights or without lights. Among which the LED lights with lights, monochrome color has red, yellow, blue, green, white.

Two-color has red and green, red and yellow etc. Three-color has red and green and blue, red and yellow and blue.

The function of two colors and three colors is divided into common cathode and anode. Common cathode means that the public light pin is connected to the device’s negative pole. Common anode means that the public light pin is connected to the power’s positive pole.

You can choose a common cathode and common anode according to your demand. In addition, You can also install two or three light beads inside the push button, which can form a two-color or three-color effect.

In this case, don’t need to distinguish between the common cathode and common anode, you can connect the light wire at your will.

The waterproof rating of the product is IP65, besides, our push button series had passed the certifications of UL, RoSH, CE.

How does the big push button switch work?

The product is usually used to control circuits on or off, it is a low voltage appliance in power drag, and is a widely used master appliance. In an electrical automatic control circuit, send out the control signals manually to the control contractor, relay, electromagnetic starter, etc.

Its characteristic is that most of the machines and instruments installed in the work are in the initial free state position, only converted to the second state under the action of the external force. Once the external force is removed, the switch will return to the initial position.

How to connect the wire with the big push button switch:

40mm Red 12VLager Big Push Button Switch

1. The switch is locked, the light is on and the device starts. The switch reset, the light is off and the device is closed.

40mm Red 12VLager Big Push Button Switch

2. The switch is locked, the light is off and the device starts. The switch is reset, the light is on and the device is off.

40mm Red 12VLager Big Push Button Switch

3. The switch is locked, the device starts. The switch is reset, the device is closed and the light is on.

Where to buy the big push button switch:


According to your purchase quantity and requirement, we have an offline single page, and also accept customize. You can email us directly.


Your quantity is not large and has no special requirement, we suggest you place order online at, this is our official online ordering platform, which support the payment methods such as PayPal, credit card, etc.


You can also contact us directly and place order, we can provide formal contract, invoice and packing list, etc. If your quantity is large, we will have some discount.

If you need to customization or have some ideas, we are happy to improve or design new products with you, which is very interesting for us.

We also have some products that are improved or developed through some suggestions and ideas from customers.

filn sales-team

The product of Filn had passed the certifications of UL, CE, ROSH, ISO90001. It also has a professional push button switch laboratory, which can ensure the quality of the product.

Filn has 11 years of experience in push button producing, it also has a professional R&D team and can customize various types of push button switch according to your requirement.

If you have any questions about the big push button switch, please contact us immediately, we will give you a satisfactory reply within 24 hours, our email address is

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