UnionwellAutomotive Plunger Switch Manufacturer | China Source Factory
Unionwell Automotive Plunger Switches
G12 automotive plunger switch

ParameterBelow are the specifications of G12 automotive plunger switch.
Rating | 16A | ENEC/CQC 16A 125/250VAC 10A 30VDC |
UL/cUL 16A 125/250/480VAC 1/8HP 125VAC 1/4HP 250VAC 0.5A 125VDC 0.25A 250VDC |
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22A | ENEC/CQC 22A125/250VAC |
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UL/cUL 22A125/250/480VAC 1/4HP 125VAC 1/2HP 250VAC |
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26A | ENEC/CQC 26A125/250VAC |
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UL/cUL 26A125/250/480VAC 1/2HP125VAC 1HP 250VAC |
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Operating Frequency | Electrica | 10~30 cycles/min. |
Mechanica | 240 cycles/min. | |
Contact Resistance (Initial Value) | 50mΩ Max. | |
Insulation Resistance | 100MΩ Min. | |
Dielectric Strength | Between Terminals | 1500VAC 50/60Hz 1min. |
Between Terminals and Housing | 2500VAC 50/60Hz 1min. | |
Operating Temperature | -40℃~+80℃ | |
Operating Humidity | 85%RH Max | |
Service Life | Electrical | 50,000 cycles |
Mechanical | 200.000 cycles |
Automotive Plunger Switch
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G3 automotive plunger switch in automotive electronic parking system
G3 plunger micro switch is designed for automotive electronic parking brake system (EPB) as a key signal input component and is installed in the operating mechanism. When the driver presses the EPB button, the plunger switch quickly recognizes the mechanical action and converts it into a stable electrical signal, which is transmitted to the vehicle electronic control unit (ECU).
G3 plunger micro switch is designed for automotive electronic parking brake system (EPB) as a key signal input component and is installed in the operating mechanism. When the driver presses the EPB button, the plunger switch quickly recognizes the mechanical action and converts it into a stable electrical signal, which is transmitted to the vehicle electronic control unit (ECU).
automotive plunger switch technical drawing
Next to it are two of Unionwell's automotive plunger switch micro switch drawings, the G12 plunger automotive limit switch and the G5 automotive plunger switch. Both are among the automotive micro switches that are commonly purchased by automotive assemblers. The G12 is often used for limit control switches on automotive production lines, while the G5 is often used in automotive internal systems.
If you are interested in these two automotive plunger switches, you can go to Download Data Sheet Of Automotive Plunger Switch to view the corresponding online technical documents. For more automotive micro switch recommendations, please visit the Unionwell automotive micro switch page, or click the button below to consult!


Customized solutions for automotive micro switches
Unionwell provides customized solutions for automotive micro switches. We have many engineers with more than 30 years of R&D experience and many years of OEM/ODM design and production mode. We can easily solve all your project needs and produce compatible, stable and affordable automotive micro switches for your car.
- Customizable voltage parameters
- Customizable terminal types
- Customizable protection level, IP40/IP67/IP68
- Customizable micro switch lever type , straight lever/roller lever/plunger type
If you are not sure which micro switches to buy, you can describe your needs and application scenarios, and our sales staff will provide you with the most suitable suggestions and solutions.
Customized Car Door Switches
FAQ
What is a plunger switch for automobiles?
A plunger switch for automobiles is a type of micro switch used in automobiles. It is characterized by a type of micro switch that is triggered by direct linear pressure without an operating lever. It is commonly used in car doors, brakes or transmission systems.
Are automotive plunger switches waterproof?
Generally, automotive switches must meet IP67 waterproof rating. Except for the G5 basic micro switch mentioned above, which is not waterproof, the rest of the G3, G9, etc. meet IP67 waterproof rating.
What are the common working voltage and current?
Usually 12V or 24V DC voltage, current can reach 5A/10A high current, but it depends on the switch model.
Can I visit the Unionwell factory? Is it our own factory or a contract manufacturer?
Of course, we welcome any customer to visit our factory. Unionwell's factory is located in Longmen County, Huizhou, China. It is a one-stop professional micro switch manufacturer that includes independent research and development, production, testing, and shipment.
Why do some products show several switch pictures?
Because we have too many models, it would be too confusing if every model was listed. Therefore, we have included pictures of various models in this series. If you don't know how to choose correctly, you may as well send an email to Unionwell, and our salesperson will reply to you within one working day and help you choose the model!

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