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micro switch

Miniature Micro Switches Manufacturer

We prioritize quality, reliability, performance, innovation, customer support, cost-effectiveness, and compliance. With a deep understanding of industry standards and customer needs, we are dedicated to producing top-notch micro switches that exceed expectations. Our focus on reliability and durability guarantees customer satisfaction.

  • High-Quality Products: Reliable, compliant micro switches that meet industry standards and customer requirements.
  • Innovation: Continuous improvement, staying up-to-date with technology for cutting-edge micro switch design.
  • Customer Support: Timely delivery, excellent support for strong customer relationships.
  • Cost-effectiveness: Competitive pricing, high-quality standards to attract more customers and increase market share.
  • Ethical Manufacturing: Adherence to regulations, safety standards, and environmental considerations for responsible practices.

Miniature Micro Switches

A miniature micro switch, also known as a snap-action switch, is an electrical switch activated by minimal force or movement. It’s used across various electronic devices for its reliability and precision. These switches find broad usage in electronics like 3D printers, phones, alarms, and more due to their small size and versatility. They come in different types—ultra-miniature, sub-miniature, lever types—offering various configurations, current ratings, and actuator mechanisms. These switches typically have single-pole double-throw (SPDT) configurations, allowing one input to control two different circuits. They are reliable for logic and low-power switching applications. Miniature micro switches vary in size, including sub-subminiature options, making them adaptable to diverse electronic designs.

With Full Product Certification

CB Certification
CB Certification
ENEC Certification
ENEC Certification
PAHS Certification
PAHS Certification
CQC Certification
CQC Certification
CE Certification
CE Certification
UL Certification
UL Certification
TUV Certification
TUV Certification
ROHS Certification
RoHS Certification

Automotive Industry

Employed in car door locks, brake light switches, and seatbelt buckling sensors for their reliability and compactness.

Automotive Industry
Equipment Manufacturing Industry

Industrial Applications

Vital in conveyor systems, assembly lines, and machinery as limit switches to detect movement or position changes, ensuring safety and efficiency.

Home Appliance Industry

Found in computer keyboards, printers, and home appliances, enabling precise control and feedback due to their small size and high sensitivity

Home Appliance Industry


weup swtich
weup swtich

They can be used in various industries and applications due to their versatile design. From manufacturing to healthcare, entertainment, and education, universal products can adapt and be utilized in multiple contexts. In the manufacturing industry, for example, versatile machinery can be adjusted to accommodate different production processes, increasing efficiency and flexibility. In healthcare, versatile medical devices can be customized to meet the specific needs of patients, improving the quality of care. Educational institutions benefit from versatile technology that can be used for different teaching methods and learning styles.

In the entertainment industry, versatile platforms and equipment allow for the creating of diverse and engaging content. These products’ versatility provides practical benefits and opportunities for innovation and creativity. With their ability to adapt and perform well in different environments, versatile designs have become invaluable assets across industries, enabling businesses and individuals to achieve their goals more effectively.

Easy Installation

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Micro switches offer the advantage of easy installation, making the setup process efficient and hassle-free. With their user-friendly design, these switches can be conveniently installed, saving both time and effort. Whether you are a professional installer or a DIY enthusiast, the straightforward installation process ensures that you can quickly integrate micro switches into your desired applications. This ease of installation can be particularly beneficial in scenarios where multiple switches need to be installed, as it reduces the overall setup time.

weup swtich

Micro switches simplify the installation process by eliminating the need for complex wiring or intricate configurations, allowing you to focus on other important tasks at hand. Whether setting up a new electrical system or replacing existing switches, the simplicity of micro switch installation helps streamline the entire process, ensuring that you can get your applications up and running with minimal delay.

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Service Objectives

We provide round-the-clock customer support services to ensure that any issues you encounter during usage can be promptly resolved

Purchasing Micro Switch is not just buying a product; it’s also an opportunity to enjoy our high-quality after-sales service.

• Complete the soldering at the iron tip temperature below 350°C within 5 seconds, and do not apply any external force for 1 minute after soldering. Soldering at an excessively high temperature or soldering for more than 5 seconds may deteriorate the characteristics of the Switch.

• Be sure to apply only the minimum required amount of flux. Switch may have contact failures if flux intrudes into the interior of the Switch.

• If the PCB terminal models are soldered in the solder bath, flux will permeate inside the Switch and cause contact failure. Therefore, manually solder the PCB terminal.

• Use M2.3 mounting screw with plane washers or spring washers to securely mount the Switch. Tighten the screws to a torque of 0.23 to 0.26 N·m {2.3 to 2.7 kgf·cm}.

• Mount the Switch onto a flat surface. Mounting on an uneven surface may cause deformation of the Switch, resulting in faulty operation or breakage in the housing.

Using a model for ordinary loads to open or close the contact of a micro load circuit may result in faulty contact. Use models that operate in the following range.

However, even when using micro load models within the following operating range, if inrush current occurs when the contact is opened or closed, it may increase the contact wear and so decrease durability. Therefore, insert a contact protection circuit where necessary.

The N-level reference value applies for the minimum applicable load. This value indicates the malfunction reference level for the reliability level of 60% (λ60).
(JIS C5003)
The equation, λ60=0.5×10-6/operation indicates that the estimated malfunction rate is less than operations with a reliability level of 60%.

  • “Basic Switches have a micro contact gap and operate at the specified movement and force using a snap-action mechanism. They are available in models with split contacts, maintained operation, drip-proof specifications, high capacity, and DC current specifications.”

    Basic Switches
  • The WEUP’s best-selling micro switches of a wide variety from 0.1A to 10.1A.
    A variety of models are available, with operating force ranging from low to high.
    Two split springs ensure a high stability and durability of 30,000,000 operations.
    1 mm MIN Contact Gap Models available for Interlock applications

    Subminiature Basic Switch Offers High Reliability and Security
  • Wide variation of best-selling microswitches with switching currents of 10 to 21 A.
    Can be used for interrupting current when doors are opened or closed.
    Available in two types of cases: thermoplastic resin and thermosetting resin.
    Indium contact models available for DC load

    Miniature Basic Switch that Offers High Reliability and Security


Here are the FAQs about micro switches:

What is a micro switch?

A micro switch is a small-sized electrical switch designed with a snap-action mechanism. It uses a small actuator to trigger a quick change in the switch’s state, often used in appliances and machinery for precise control.

How does a micro switch work?

When the actuator experiences a specific force or movement, it causes an internal spring to snap the contacts open or closed, swiftly changing the switch’s state. This action is reliable, making micro switches ideal for applications requiring accurate and repeatable responses.

Where are micro switches used?

Micro switches find applications in various industries, from household appliances like microwave ovens to industrial machinery like conveyor belts. They’re prevalent due to their durability, precision, and ability to function in harsh environments.

What are the advantages of using micro switches?

Their small size, long operational life, and ability to handle diverse environmental conditions are key advantages. They also offer precise control, ensuring safety and reliability in many applications.

How do I choose the right micro switch for my application?

Consider factors like electrical ratings, actuator types, and environmental conditions. Ensure the switch matches the required voltage, current, and endurance for your specific use case. Consulting with manufacturers or experts can help in selecting the most suitable micro switch.

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