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UnionwellAutomotive Micro Switch – OEM & Custom Solutions from Unionwell

Unionwell automotive micro switch supplier offers a variety of automotive micro switch types, including automotive door micro switches, door lock micro switches, automotive limit switches, automotive plunger switches, etc., to meet the needs of various specifications and models.
Unionwell is a leading automotive micro switch manufacturer, dedicated to providing high-quality and stable automotive micro switches to automotive suppliers and automotive parts assembly plants. Our automotive micro switches are certified by ISO9001, IATF16949, ISO14001, ENEC, UL/cUL, CE, CB and other global certifications. If you are not sure which automotive switch to choose, you can directly click the red button below to contact us quickly, and we will reply you within 24 hours!

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Automotive Micro Switch Overview

An automotive micro switch is an electrical switch that uses a small stroke and fast action mechanism. It is a precision component that can quickly complete the on-off action when the contacts reach a specific stroke position.
Automotive micro switches are characterized by their compact size, high reliability, and high precision. Their key advantages include fast response speed, long lifespan, and stable operation in high-temperature, high-humidity, and vibration environments. They are essential switches for automotive electronic control and safety systems.
Automotive door lock micro switches are commonly used for door lock control, and seat adjustment systems rely on them for precise position feedback. Instrument clusters and automotive motor systems also utilize these switches. Unionwell offers both OEM and custom automotive micro switch solutions, ensuring they meet the diverse performance, lifespan, and protection level requirements of various automakers.
The picture shows Unionwell's most classic automotive micro switch model G303 car door lock micro switch.
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Unleash Performance with Unionwell's Automotive Micro Switches

Unionwell's automotive micro switches (including EV electric vehicles) are available in a variety of types to meet the needs of various types of automotive. The automotive switches shown below are all waterproof micro switches that meet the IP67 protection level. They have sufficient durability and reliability, can work stably in an environment of -40°C~+85°C, and perform well in harsh automotive environments.
At the same time, there are a variety of lever types, including common straight lever micro switches, roller lever switches, etc. With the SPDT circuit switch, it has precise and fast switching functions and is an ideal choice for automotive system control micro switches!

Automotive Micro Switch

Below is a technical document on automotive micro switches that can be downloaded and viewed directly for free, specially prepared for engineers.
  • FD-6100 Specs.pdf

    Sealed Subminiature Micro Switch - G303 Series PDF

    Download

  • FD-6100 Specs.pdf

    Sealed Subminiature Micro Switch - G303AB Series PDF

    Download

  • FD-6100 Specs.pdf

    Sealed Clip Type Subminiature Micro Switch - G304A Series PDF

    Download

  • FD-6100 Specs.pdf

    Sealed Clip Type Subminiature Micro Switch - G304B Series PDF

    Download

  • FD-6100 Specs.pdf

    Slide Structure Sealed Subminiature Micro Switch - G304D Series PDF

    Download

  • FD-6100 Specs.pdf

    Sealed Clip Type Subminiature Micro Switch - G304E Series PDF

    Download

  • FD-6100 Specs.pdf

    Sealed Clip Type Subminiature Micro Switch - G304F Series PDF

    Download

  • FD-6100 Specs.pdf

    Sealed Clip Type Subminiature Micro Switch - G304G Series PDF

    Download

  • FD-6100 Specs.pdf

    Waterproof Subminiature Micro Switch - G305 Series PDF

    Download

  • FD-6100 Specs.pdf

    Sealed Clip Type Subminiature Micro Switch - G306 Series PDF

    Download

  • FD-6100 Specs.pdf

    Sealed Dual Loop Subminiature Micro Switch - G307A Series PDF

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  • FD-6100 Specs.pdf

    Sealed Triple Loop Subminiature Micro Switch - G307B Series PDF

    Download

  • FD-6100 Specs.pdf

    Sealed Clip Type Subminiature Micro Switch - G309 Series PDF

    Download

  • FDM-615PTM Specs.pdf

    Sealed Basic Micro Switch - G5W11 Series PDF

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  • FDM-6600 Specs.pdf

    Sealed Mini Micro Switch - G9 Series PDF

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  • FDM-6680 Specs.pdf

    Sealed Miniature Micro Switch - G9AB Series PDF

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  • FIM-1440 Specs.pdf

    Subminiature Micro Switch- G10 Series PDF

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  • FIM-2405 Specs.pdf

    Subminiature Micro Switch - G10A Series PDF

    Download

  • FIM-2410 Specs.pdf

    Seal Type Subminiature Micro Switch - G10B Series PDF

    Download

  • FIP-2405 Specs.pdf

    Waterproof Seat Adjustment Switch - G19 Series PDF

    Download

  • FIP-2405 Specs.pdf

    Waterproof Seat Belt Micro Switch - G20 Series PDF

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  • FIP-2405 Specs.pdf

    Motor Electronic Lock for Charging - G23A Series PDF

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  • FIP-2405 Specs.pdf

    Motor Electronic Lock for Charging - G23B Series PDF

    Download

Case: Automotive Door Handle Micro Switch

Our company has a variety of self-produced automotive application micro switches. For example, on car door locks, Unionwell's automotive micro switches can be adapted to a variety of car types on the market, with various parameters, terminal types, and lever types. With high-quality reliability and durability, it has won unanimous praise from many users.

  • IP67 switches are waterproof and dustproof, suitable for various harsh environments
  • Provide accurate and fast response, reduce the response time of the car door and improve the user experience.
  • With a variety of terminal options to meet different wiring needs, it provides flexibility for various vehicle applications.
  • Good durability, mechanical life of more than 500,000 times, no need to frequently replace sealed automotive micro switches
Contact for Custom Automotive Door Micro Switch
G304-6-9 tesla door handle micro switch

Application of G3 micro switch in sun visor

G3 series micro switches (G304A model) are widely used in car sun visors, mainly used to control the switch of the built-in makeup mirror light in the sun visor. When the driver or passenger opens the sun visor or the mirror cover, the micro switch is triggered and the mirror light is automatically lit; when the mirror cover is closed, the light goes out, realizing intelligent lighting control.

This series of switches is small in size, easy to embed into the internal structure of the sun visor, and has IP67 waterproof and IP40 dustproof performance, ensuring long-term stable operation in the complex environment inside the car. In addition, the G3 series micro switches support a variety of installation methods and terminal options to meet different car models and design requirements.

    Learn More About The G3 Micro Switches

    Micro switch application in car door lock

    G303 series micro switches are widely used in automobile door lock systems to accurately identify the closed state of the door. When the door lock mechanism completes the locking action, the micro switch is triggered synchronously and feedbacks the locking signal to the body control module (BCM), realizing functions such as door lock status monitoring, anti-theft system linkage, and headlight response.

    This model has cooperated with many brand automobile suppliers, has rich project experience, and is suitable for various models. Its IP67-level sealing performance can effectively resist rain, dust and oil interference, ensuring long-term stable operation.

      Learn More About The G3 Micro Switches

      Other automotive micro switch applications

      1.Door Locks and Windows: Unionwell automotive rocker micro switches, are commonly used in door lock and window control systems, ensuring precise and reliable operation for passenger convenience and safety.
      2.Lighting Control: These switches for cars, are integral to lighting control systems in vehicles, enabling accurate switching of headlights, turn signals, and interior lighting.
      3.Seat Adjustment: Unionwell G19 seat adjustment micro switches play a vital role in seat adjustment mechanisms, providing precise control over seat positioning for enhanced comfort and ergonomics.
      4.Safety Systems: From airbag deployment to brake light activation,  seat belt reminder switches are essential components of safety systems, ensuring prompt response and reliable performance in critical situations.

      Applications

      Features of Automotive Micro Switches

      Automotive micro switches provide precise control, high durability, compact design, resistance to vibrations, and reliable performance in harsh environments.

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        High Durability & Long Life Cycle

        -Our automotive micro switches offer excellent durability, though lifespans vary depending on the model. Waterproof automotive micro switches typically have a mechanical lifespan of 500,000 cycles and an electrical lifespan of 100,000 cycles.
      • High-Temperature Resistancecqs

        Waterproof & Dustproof

        -We offer automotive micro switches with IP40 and IP67 protection levels, suitable for high humidity, dust, and harsh operating conditions, ensuring switch performance is unaffected by external environmental conditions.
      • Corrosion Resistancegs9

        Customizable Actuator & Lever

        -Actuator and lever options include linear, roller, sliding, and push-type, offering flexible adaptation to door locks, seat adjustments, and other automotive applications.
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        Certifications

        - All automotive micro switches are certified by UL, CE, and RoHS, complying with international standards and ensuring product safety and compliance.
      • Contact us for free samples and verify the superior performance and quality of Unionwell automotive micro switches.

      We Collaborate to Deliver More solutions

      Unionwell specializes in delivering exceptional services with our automation micro switches. As a micro switch manufacturer, we collaborate closely with clients to offer high-performance, dependable, and long-lasting switches customized for various applications. Our dedication to quality guarantees that our switches meet the most stringent standards of efficiency and reliability. Count on Unionwell to be your trusted partner in achieving outstanding outcomes and enhancing your automation and electrical systems. Let us work together to pioneer innovation and excellence in meeting all your switching requirements.

      Why Choose Unionwell for Automotive Micro Switch

      Unionwell is a automotive micro switch manufacturer in Huizhou, Guangdong with 30 years of manufacturing experience. It covers an area of ​​more than 65,000 square meters, has obtained CE certification from many countries around the world, has introduced advanced equipment in the industry, and has a professional R&D team!
      • 1

        Quality Certification

        We have formed a complete quality management system and have passed ISO9001, IATF16949, ISO14001 certifications, with high-quality and reliable performance!
      • 2

        Efficient Production Capacity

        Unionwell has introduced advanced automated production technology in the industry, with an annual production capacity of more than 250 million switches, including more than 4 million waterproof automotive switches.
      • 3

        Customized Service

        Unionwell has many R&D engineers with 20 years of work experience, and has many years of experience in OEM and customized micro switches, which can meet your various project needs.
      • 4

        Source Factory

        As a leading Chinese manufacturer, Unionwell manufactures and ships automotive switches directly from the factory, eliminating intermediaries, offering more competitive pricing, and facilitating communication and coordination.
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      FAQ

      What is the lead time and MOQ for bulk purchase of automotive micro switches?

      The delivery cycle for standard models is 2~3 weeks; the delivery cycle for customized models depends on the complexity of the process, generally 4~6 weeks. We support small and medium-sized batch purchases, and the minimum order quantity (MOQ) is generally 2000~3000 pieces, which can be negotiated and determined according to the product model and cooperation situation.

      How to choose the right automotive micro switch for door lock?

      When selecting a micro switch for automotive door locks, key considerations include lifespan, sensitivity, and environmental adaptability. The G303 sealed micro switch is ideal for door lock applications. Its high reliability and long lifespan, combined with its stability under vibration and temperature fluctuations, make it the optimal solution for door lock systems.

      What is the temperature resistance level of the G5W11 automotive switches?

      The temperature resistance of the G5W11 automotive switches is - 40℃ to + 85℃. 

      What kind of wires can be installed in the G5W11 automotive switches?

      The G5W11 automotive switches is usually equipped with UL1015 and UL1007 wires. Other wires can also be equipped, as long as they are not too thick.

      How do we distinguish the 187 and 250 terminals of our G5 series automotive switches?

      Mainly distinguished by the width of the terminal, the width of the 187 terminal is 4.8MM, and the thickness of the 250 terminal is 6.3MM

      What certifications have your automotive micro switches passed? What automotive industry standards do they meet?

      Our automotive micro switches are certified by IATF 16949, ISO 9001, RoHS and REACH. Some of our products also comply with ISO9001 standards. They can meet the requirements of automotive-grade electrical performance, environmental reliability and mechanical life, and are suitable for OEMs and Tier 1 supply chain systems.

      Are you a manufacturer or an agent? Do you have any agents? Where are they located?

      We are a Unionwell micro switch manufacturer. Our micro switches are all independently developed, produced and sold. We currently have multiple agents, all of which are located throughout China, and no foreign agents.

      Can you provide technical drawings or datasheets?

      Of course. Due to the large number of product types, we will provide a simple selection manual, and then provide specific model automotive micro switch drawings or 3D drawings.

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