In general, metal push button switches and piezoelectric buttons work best in harsh environments because they are durable and well sealed. Plastic push button switches are a good option for indoor equipment where cost and weight matter. Touch push button switches are often used in modern interfaces that require a clean and simple design.
However, not every push button switch is designed for the same job. Understanding the main types of switches and their advantages can help you select the right one for your application.
Push button switches are one of the most common control components in industrial equipment. Operators use them to start machines, stop processes, or activate certain functions. Because they are simple and reliable, they appear in many types of machines and control panels.
What Is a Push Button Switch?

A push button switch is an electrical device that controls a circuit when a button is pressed. The action moves internal contacts that either connect or break the flow of electricity.
When the user presses the button, the contacts close and electricity flows through the circuit. When the pressure is released, a spring returns the button to its original position and the circuit opens again.
Because of this simple mechanism, push button switches are widely used in industrial machines, electrical panels, and electronic devices.
Common Types of Push Button Switches
Different machines require different switch designs. The material, operating method, and durability can vary depending on the application. Below are several common types used in industrial equipment.
Metal Push Button Switches

Metal push button switches are built for environments where strength and durability are important. Manufacturers usually use stainless steel or aluminum for the housing.
These switches are known for their strong structure and long service life.
Main features
- High mechanical strength
- Good resistance to impact and wear
- Waterproof and dustproof options
- Long operating life
Typical uses
- Industrial control panels
- Outdoor machines
- Access control systems
- Elevator panels
Plastic Push Button Switches

Plastic push button switches are a common choice for many electrical devices. They are lighter and usually more affordable than metal switches.
Most models use engineering plastics such as ABS or nylon.
Advantages
- Lower manufacturing cost
- Lightweight structure
- Good insulation performance
- Available in different colors and sizes
Common applications
- Control boxes
- Household electrical equipment
- Light industrial machines
- Power distribution equipment
Touch Push Button Switches

Touch push button switches work in a different way from traditional mechanical switches. Instead of pressing a physical button, the user simply touches a sensing surface.
These switches usually use capacitive sensing technology.
Key benefits
- No moving parts
- Smooth and modern appearance
- Easy to clean surface
- Long operating life
Typical applications
- Smart home devices
- Consumer electronics
- Medical equipment
- Modern control interfaces
Piezoelectric Buttons

A piezoelectric button uses the piezoelectric effect to generate an electrical signal when pressure is applied. Unlike traditional switches, it does not rely on mechanical contacts.
Because there are no moving parts, piezo switches are extremely reliable.
Advantages
- Very long service life
- Fully sealed design
- Resistant to water and dust
- Strong resistance to vibration
Common uses
- Food processing machines
- Marine equipment
- Medical devices
- Public control terminals
Where Are Push Button Switches Used?
Push button switches appear in many types of equipment because they provide simple and direct control.
Common applications include:
- Industrial automation systems
- Manufacturing equipment
- Electrical control panels
- Elevator and access systems
- Consumer electronic devices
Different types of push button switches may be used together in one control panel to meet different operating needs.
FAQ
How does a push button switch work?
A push button switch works by pressing a button that connects electrical contacts inside the device. When the contacts connect, electricity flows through the circuit. When the button is released, the contacts separate and the circuit opens.
What are the two types of push button switches?
The two main types of push button switches are normally open (NO) and normally closed (NC) types. Normally open switches keep the circuit disconnected when not pressed and connect it when pressed, while normally closed switches keep the circuit connected when not pressed and disconnect it when pressed.
What is another name for a push button switch?
It may also be called a push switch, pushbutton control, or momentary push button switch depending on the design.
How to connect a push button switch?
To connect a push button switch, first identify the common terminal and the normally open terminal for typical operation, then connect one terminal to the power or signal input and the other to the load or control circuit to achieve normal switching function.
Need the Right Push Button Switch for Your Equipment?
Selecting the correct push button switch can improve equipment safety, reliability, and user experience.
Whether your application requires metal push button switches, plastic push button switches, touch push button switches, or piezoelectric buttons, choosing the right design is important for long-term performance.
If you are looking for reliable switch solutions for industrial equipment, working with an experienced manufacturer can help you find the best option for your application.
Contact us to learn more about our push button switch products and customization options.
Yueqing Dahe Electric Co., Ltd.