Choosing Micro Switches From China–Chapter 4 Micro Switch Types

Choosing Micro Switches From China–Chapter 4 Micro Switch Types

Types of micro switches available in China


A. Basic snap-action switches

Basic snap-action or micro switches are widely used in various industries and applications. In China, many manufacturers offer high-quality switches with different functions and features. This blog will explore the functions and features of basic snap-action switches in China and their applications in different industries.


Basic snap-action switches are designed to provide a high level of accuracy and consistency in controlling the flow of electrical current. They use a spring-loaded plunger that triggers an electrical contact when the switch is pushed or released. It allows for precise control of current flow, making them ideal for various applications.


The features of basic snap-action switches in China vary depending on the manufacturer and the application. Some common features include:

1. High precision and reliability: Snap-action switches are highly accurate and reliable, making them suitable for various applications.

2. Compact design: Basic snap-action switches are designed to be compact and lightweight, making them easy to install and use.

3. High durability: These switches are designed to be highly durable and resistant to wear and tear, making them ideal for harsh environments.


Basic snap-action switches are used in many industrial and commercial applications, including:

1. HVAC systems: Snap-action switches are commonly used in heating, ventilation, and air conditioning (HVAC) systems to monitor and control airflow and temperature.

2. Appliances: These switches are used in many appliances, such as refrigerators, washing machines, and dishwashers, to regulate various functions and ensure safety.

3. Automotive industry: Snap-action switches are used in the automotive industry for various applications like door switches, brake light switches, and fuel pump switches.

4. Automation: Snap-action switches are used in automation systems for monitoring and controlling various processes.


Basic snap-action switches are an essential component in many industries and applications. They offer high precision, reliability, and durability and are ideal for harsh environments. In China, many manufacturers offer high-quality switches, making it easy to find the right switch for the specific application.


B. Limit switches

In China, the market for limit switches has grown tremendously in recent years due to the increasing demand from various industries. Limit switches detect the physical limits of an object or device and send a signal to control the device’s behavior.

Numerous limit switches are available in China, each with unique specifications and features to suit diverse industry requirements. Some of the most popular limit switches include:

1. Micro Switches: These are small-sized limit switches commonly used in industrial and electronic applications. They are highly reliable and efficient, and their compact size allows them to fit in tight spaces.

2. Roller Plunger Switches: These switches use a roller to activate the switch, allowing for smooth and reliable operation. They are commonly used in packaging and conveyor systems.

3. Rotary Switches: These switches are ideal for applications that require rotary movement to activate the switch. They are often used in cranes, hoists, and other heavy machinery.

4. Proximity Switches: These switches detect the presence or absence of an object without any physical contact. They are ideal for environments that require high accuracy and long-term reliability.

5. Safety Switches: These switches are designed for use in safety-critical applications such as emergency stop systems, ensuring the safety of workers and equipment.

In China, several reputable brands offer a range of high-quality limit switches. Some of the leading companies include Omron, Schneider Electric, Honeywell, Siemens, and ABB. These companies offer a range of limit switches with various features, including contact types, housing designs, and operating temperatures.

In addition to product quality, these companies offer excellent customer service and support to ensure their products are installed and operating correctly. Manufacturers in China also offer OEM and ODM services, enabling businesses to customize limit switches to meet their specific needs.

Limit switches are widely used in various industries, including automotive, aerospace, electronics, packaging, machinery, etc. As a result, the demand for high-quality limit switches is expected to grow rapidly in China.

To sum up, China offers a vast selection of high-quality limit switches with various features and capabilities to satisfy the diverse requirements of different industries. Businesses can ensure that their equipment and systems are functioning optimally and safely by choosing reliable manufacturers like Omron, Schneider Electric, Honeywell, Siemens, and ABB.


C. Push button switches

Push button switches have been a popular choice for many years in China due to their reliability, ease of use, and innovative features. Whether you’re working on a DIY project or are a professional, a push-button switch can offer many benefits. In this article, we’ll look closely at some of China’s key features, functions, and applications of push-button switches.

Features of Push Button Switches in China

Push button switches come in various sizes, shapes, colors, and materials. Some common features of push-button switches in China include waterproof, dustproof, anti-vandal, LED-illuminated, momentary, latching, 2-position and 3-position selectors, and tactile feedback. Other features to consider when selecting a push button switch in China might include its contact ratings, electrical life, operating temperature, and actuator type.

Additionally, push button switches in China can be customized to meet specific needs. For example, you can choose different color caps or legends, install them on PCBs, and opt for snap-in, screw-in, or panel mount installation.

Functions of Push Button Switches in China

Push button switches can perform multiple functions depending on their design, including power on/off, start/stop, reset, emergency stop, and selector switches. Some push-button switches incorporate multiple functions in one package, making them versatile and space-saving.

Push-button switches are commonly used in industrial, commercial, and residential applications in China. They can be found in machinery, instrumentation, control panels, vehicles, household appliances, gaming machines, and security systems. Specifically, push button switches with anti-vandal features are used in outdoor kiosks, vending machines, and public transport ticket machines, where they protect against sabotage and vandalism.

Applications of Push Button Switches in China

Push button switches have numerous applications in China. Here are some of the most common uses:

– Industrial control: push button switches are critical components in automation systems, such as conveyors, CNC machines, and robotics. They are used to start/stop machines, control speeds, and change the direction of movement.

– Medical equipment: push button switches with reliable tactile feedback are used in medical devices, such as dental chairs, hospital beds, and patient monitoring systems.

– Automotive: push button switches are used in various vehicle parts, including lighting controls, wiper systems, and seat adjustments.

– Gaming machines: push button switches with LED illumination and tactile feedback are popular in gaming machines, such as slot machines and arcade games.

– Home appliances: push button switches are commonly used in home appliances, such as washing machines, dishwashers, and air conditioners.


Push button switches are a versatile and reliable switch option in China. Depending on your application, you can choose from various features and functions to create a custom switch solution that meets your needs. Whether you’re an engineer, a DIY enthusiast, or a consumer, push button switches in China offer a wide range of benefits that can improve the performance and quality of your products.


D. Waterproof micro switch

Waterproof micro switches have become essential components for many modern gadgets and appliances. In China, various manufacturers of waterproof micro switches boast different functionalities and features. This post will discuss the functions, features, and applications of waterproof micro switches in China.

Functions of Waterproof Micro Switch in China

Waterproof micro switches are designed to be used in harsh environments that expose them to water, dust, or corrosion. The primary function of a waterproof micro switch in China is to provide a reliable switching mechanism in applications where contact closure or opening is needed. They are used for circuit interruption, limit switching, and many other micro-switching applications.

Features of Waterproof Micro Switch in China

China-made waterproof micro switches boast several features that make them more attractive to customers. These features include:

1. High Operating Force: The operating force of a waterproof micro switch is critical to ensure proper contact closure. China-made micro switches are designed to have high operating forces to ensure reliable and accurate switching.

2. Contact Resistance: China-made waterproof micro switches have low contact resistance, reducing power dissipation and overheating.

3. Long Working Life: Waterproof micro switch in China is designed to withstand millions of switching cycles, providing long service life.

4. Durability: The switches are designed to be robust and rugged, withstanding extreme temperature fluctuations and harsh environments.

Applications of Waterproof Micro Switch in China

Waterproof micro switches are used in many industries globally. In China, these switches are used in the following applications:

1. Automobiles: Waterproof micro switches are used in the automotive industry, mainly in door locks, windows, and engine sensors.

2. Medical equipment: These switches are used in medical equipment such as X-ray machines, ventilators, and ultrasound machines.

3. Telecommunications equipment: Waterproof micro switches are widely used in telecommunications, routers, and other equipment.

4. Consumer electronics: These switches can be found in almost all consumer electronics, such as air conditioners, washing machines, and kitchen appliances.

In conclusion, the waterproof micro switch in China is essential for many industrial and consumer applications. With high operating force, contact resistance, long working life, and durability, the China-made waterproof micro switch is a reliable option for harsh environments. Whether you are in the automotive, medical, telecommunications, or consumer electronics industry, a waterproof micro switch in China can meet your needs.



Huizhou Unionwell Sensing & Control Electronics Co., Ltd specializes in producing quality micro switches for the automotive industry and white goods of home appliances. Main products include basic micro switches, waterproof switches, air pressure switches, mechanical keyboard switches, and door switches.

For better pricing, lead time, and quality control guarantees, we acquired Huizhou Greetech Electronics Co., Ltd in 2021. We made it our China production base with over 500 employees and a capacity of 250 million pieces/year.

With the subsidiary sales branch Guangzhou Unionwell Sensing & Control Technology Co., Ltd founded, our global reach covers North America, Europe, Asia, and South America.

Most of our business partners/end customers are Global 500 enterprises, including world-famous home appliance brands and leading automotive suppliers in North America and Europe.

We launch a new industrial base at Longmen, Huizhou, Guangdong Province, which work as Unionwell headquarters. Automation equipment will be introduced, massively improving the switch production capacity from 250 million pieces to over 1.3 billion pieces/year.

Are you looking for more cost-effective alternatives for other brands’ switches? We are ready to provide micro switches to match your technical requirements.

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