ISO9001 / IATF16949/ ISO14001 etc

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UnionwellAutomotive On Off Switch | IP67 Sealed Switch Manufacturer

Unionwell is a specialized automotive on off switch manufacturer based in Huizhou, China, with over 20 years of experience designing and producing reliable switching solutions for the automotive industry. With an annual output of 300 million switches and IATF 16949 certified production, we supply OEM and Tier 1 automotive manufacturers across 50+ countries.
Our automotive on/off switches are engineered for reliability and precision in demanding vehicle environments. Available in rocker, toggle, push button, and micro plunger configurations with IP65 to IP67 sealing options, they deliver dependable on/off control for ignition systems, lighting controls, power windows, dashboard functions, and EV charging systems.

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automotive-rocker-switch
UNIONWELL

Automotive On Off Switch Types & Product Series

Unionwell manufactures a comprehensive range of automotive on/off switches designed for diverse vehicle applications. From compact micro switches for interior controls to heavy-duty sealed switches for under-hood environments, our product portfolio covers rocker switches, toggle switches, push button switches, and micro plunger switches — all engineered to meet automotive-grade quality standards with IP67 sealing options.
Dustproof automotive on/off Switch

G13Dustproof automotive on/off Switch

  • ●Rating: 16A 125VAC / 8A 250VAC / 10A 12VDC
  • ●Contact Form: SPST-NO
  • ●IP Rating: IP40 (dust-resistant, interior use)
  • ●Mechanical Life: 100,000+ cycles
  • ●Electrical Life: 10,000+ cycles @ rated load
  • ●Operating Temperature: -40°C to +85°C
  • ●Terminal: PCB pin / solder lug
  • ●Mounting: Panel mount / snap-in
  • ●Housing: PPS thermoplastic
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RKAuto Sealed Rocker Switch

  • ●Rating: 20A 12VDC / 10A 120VAC / 16A 250VAC
  • ●Contact Form: SPST ON-OFF (SPDT option available)
  • ●IP Rating: IP67 (waterproof & dust-tight)
  • ●Mechanical Life: 50,000+ cycles
  • ●Electrical Life: 10,000+ cycles @ rated load
  • ●Operating Temperature: -40°C to +85°C
  • ●Mounting Hole: 20mm diameter (standard panel cutout)
  • ●Terminal: Quick-connect tabs / wire lead / solder lug
  • ●Illumination: Optional LED (red / blue / green / amber)
Parameter G13 Dustproof Micro RK IP67 Rocker G3/G6 Micro Plunger
Switch Type Micro Switch Rocker Switch Micro Plunger
Contact Form SPST-NO SPST / SPDT SPST-NO/NC / SPDT
Current Rating 16A 125VAC
8A 250VAC		 20A 12VDC
16A 250VAC		 3A 125VAC
2A 250VAC
Voltage Range 12-250V AC/DC 12-250V AC/DC 6-250V AC/DC
IP Rating IP40 IP67 IP67
Mechanical Life 100,000 cycles 50,000 cycles 1,000,000 cycles
Electrical Life 10,000 cycles 10,000 cycles 100,000 cycles
Operating Temp -40°C to +85°C -40°C to +85°C -40°C to +85°C
Mounting Style Panel / Snap-in 20mm panel Panel / PCB / Bracket
Terminal Type PCB / Solder lug Quick-connect / Wire PCB / Wire / Solder
LED Option No Yes (4 colors) No
Housing Material PPS plastic PA66 plastic PPS epoxy-sealed

Automotive On Off Switch

The SPST on/off automotive switch is simple and durable, and switches states with an easy click. It has a variety of voltage and current ratings and is suitable for most car models without modification.

  • IP67 waterproof and dustproof
  • Various voltage and current, such as 125VAC/16A, 250VAC/8A
  • SPST simple circuit structure, easy to maintain
  • Clearly visible buttons for easy and smooth operation
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Automotive On Off Switch

Key Features & Benefits of Unionwell Automotive On Off Switches

Unionwell automotive on off switches stand out for their superior quality and performance. Simple to use, waterproof to IP67, durable, and with high voltage ratings, these switches feature a SPST design to meet the stringent requirements of automotive applications. They are simple to operate, quick to respond, and ensure long-lasting, reliable performance even in challenging environments. Below are the features of the Automotive On/Off Switch.

Automatic Testing Equipment

Multiple Contact Configurations

Choose from SPST (single-pole single-throw) for basic ON-OFF control, SPDT (single-pole double-throw) for dual-circuit switching, DPDT (double-pole double-throw) for reversing circuits, and momentary spring-return options for temporary activation. All configurations are available across our rocker, toggle, push button, and micro switch product lines.
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Sealing & IP Rating

Automotive-Grade Sealing Options — IP40 for dry cabin and interior applications, IP65 for door panels and splash-prone areas, IP67 for under-hood and full immersion resistance, and IP6K9K for high-pressure washdown environments in commercial vehicles. Our sealed switches use precision labyrinth structures and EPDM seals to protect against moisture, dust, oil, and automotive fluids.
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Electrical Ratings

DC Power Ratings Optimized for Vehicles — Available in 12V DC, 24V DC, and 48V DC configurations to match passenger cars, commercial trucks, and mild-hybrid 48V systems. Current ratings range from 3A for signal-level circuits to 50A for high-power switching, with both resistive and inductive load ratings specified.
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Quality & Certifications

Certified Automotive Quality — Manufactured under IATF 16949 automotive quality management system, with UL, cUL, ENEC, CE, and RoHS certifications. All automotive switches undergo rigorous testing including vibration resistance (10-2000Hz, 10g per ISO 16750-3), thermal shock (-40°C to +85°C, 500 cycles), and salt spray resistance (500+ hours per ISO 9227).

Advantages of Unionwell Automotive On/Off Switch
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Factory direct supply

Unionwell supplies directly to customers at factory prices
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Quality Assurance659caa46edf6b66670

Quality Assurance

Meet global national access standards and provide various certification certificates.
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Automated Production659caa47d32dd58850


Automated production

Possessing advanced automation equipment in the industry to achieve automated mass production.
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Warehouse Storage659caa48a180a75025

Warehouse & storage

The factory has spot storage and can ship small quantities directly and quickly.
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Automotive On Off Switch Applications: Where They Are Used in Vehicles

Automotive on/off switches serve essential control functions across nearly every vehicle system — from driver-operated dashboard controls to under-hood position sensing. Each application has unique requirements for sealing, current rating, actuation type, and environmental resistance. Browse our application guide below to find the right switch for your specific vehicle system.

Ignition & Starting Systems

Ignition & Starting Systems

Ignition & Starting Systems — On/off switches control ignition circuits, starter solenoid activation, and push-button start systems. These switches must reliably handle high in-rush currents and operate consistently from -40°C to +85°C, ensuring dependable engine starting in extreme weather conditions. Our toggle and push button switch series are ideal for ignition system applications with their robust contact design and wide temperature range.

Power Window & Door Control

Power Window & Door Control

Power Window & Door Control — On/off rocker and push button switches provide intuitive control for power windows, door locks, side mirror adjustments, and fuel filler door release. Ergonomic design with clear tactile feedback ensures easy operation for drivers, while 10,000+ electrical cycles handle years of daily use. Our RK series rocker switches and PB series push buttons are widely specified for door panel applications.

Dashboard & Console Controls

Dashboard & Console Controls — Rocker and toggle switches on vehicle dashboards and center consoles control a wide range of functions including hazard lights, fuel pump shutoff, auxiliary power outlets, cooling fans, HVAC blowers, and custom accessory circuits. Compact switch designs fit into standard panel cutouts for both OEM production and aftermarket installations.

Dashboard & Console Controls

why choose Unionwell

Unionwell is a automotive automotive 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.
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Our Certification

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FAQ

  • 1

    What is the service life of your automotive on/off switch?

    Our automotive on/off switches are durable and have a service life of more than 1 million times, ensuring long-term reliability.

  • 2

    How temperature adaptable is your automotive on/off switch?

    Our switches have a certain temperature resistance and can operate stably in temperatures from -40°C to +85°C.

  • 3

    Can I customize the automotive on/off switch according to my specific needs?

    Of course! We provide OEM and custom options to meet the unique requirements of your automotive system.

  • 4

    What applications are your automotive on/off switches used for?

    Our switches are widely used in ignition systems, window lift controls, and automotive lighting, providing reliable on/off functions for basic vehicle operations.

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Production Process

1
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File Submission & Review

Provide 3D models (STEP/STL), our engineering team offers free DFM analysis to guarantee optimal printability and performance.

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Material Selection & Quotation

We assist with material selection (PA12, PA12-GF, etc.) and provide a formal quotation with fixed pricing and lead time.

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Precision Additive Manufacturing

Certified technicians prepare build files and operate industrial SLS machines in controlled environments.

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Careful Packaging & Delivery

Finished parts are professionally packaged to avoid damage and delivered with full tracking.

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Quality Assurance & Inspection

Each batch is rigorously inspected with documentation for dimensional accuracy and visual quality.

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Post-Processing & Finishing

Parts are depowdered, cleaned and processed (e.g., bead blasting, dyeing, smoothing).