Precision Micro Switches Engineered for Reliability

Unionwell is a leading manufacturer and supplier of high-performance micro switches in China. From waterproof subminiature switches to advanced mechanical keyboard switches and custom solutions, we deliver precision components trusted across automotive, home appliances, new energy, and industrial sectors.

Explore Our Products

IP67 Waterproof

Sealed micro switches built for harsh environments with dust and water resistance.

Custom Solutions

Tailored switch designs for unique applications in automotive and industrial systems.

Global Support

Serving clients worldwide with technical expertise and fast response times.

Trusted Micro Switch Manufacturer in China

Guangzhou Unionwell Sensing & Control Technology Co., Ltd. is a professional manufacturer specializing in the research, development, production, and sales of micro switches. With years of experience and innovation, we serve global markets with reliable, high-quality switching solutions.

Our product range includes waterproof micro switches, mechanical keyboard switches, door micro switches, seat adjustment switches, and custom-designed components for automotive, home appliances, new energy, power tools, and industrial control systems.

ISO9001 Certified Quality Management
Over 100+ Product Models
Custom Design & OEM Support
Global Distribution Network

Unionwell Micro Switch G307A Dual Circuit

Our Product Range

From ultra-miniature waterproof switches to high-current mechanical keyboard switches, Unionwell offers a comprehensive portfolio of precision micro switches for diverse applications.

G307A Dual Circuit Loop

Momentary micro switch with dual circuit loop, ideal for safety-critical applications requiring redundant signaling.

• IP67 Sealed Design
• Subminiature Size
• High Reliability
• Automotive Grade

Car Sun Visor Micro Switch

Precision switch for automotive sun visor position detection and control systems.

• Compact Design
• Vibration Resistant
• Long Cycle Life
• RoHS Compliant

G19 Series Waterproof Seat Adjustment Switch

G19 Series Seat Adjustment

Waterproof seat position switches for automotive comfort systems with high durability.

• IP67 Rated
• Corrosion Resistant
• High Current Capacity
• OEM Compatible

Washing Machine Micro Switch

Sealed micro switch for drum washing machine lid detection and safety interlock.

• Moisture Resistant
• High Cycle Endurance
• Safety Certified
• Long-Term Stability

G23A Motor Electronic Lock

Motorized electronic lock switch for DC charging guns in electric vehicles.

• High Voltage Rated
• Secure Interlock
• EV Charging Standard
• Durable Mechanism

G307B Triple Circuit Loop

Advanced momentary micro switch with triple circuit configuration for redundancy.

• Triple Signal Output
• IP67 Protection
• Industrial Grade
• Fail-Safe Design

G5W11 Waterproof Micro Switch

Robust waterproof micro switch for outdoor and high-moisture environments.

• IP67 Sealed
• Wide Operating Temp
• Long Service Life
• Universal Mounting

G20 Seat Belt Reminder

Reliable seat belt detection switch for automotive safety systems.

• Compact & Lightweight
• High Sensitivity
• Crash Tested
• ISO Compliance

Polar Magnetic・Sakura Clarity

Magnetic optical keyboard switch with smooth linear feel and RGB lighting.

• 100M+ Keystroke Life
• Adjustable Actuation
• Noiseless Operation
• Hot-Swappable

Inductive Keyboard Switch GT06

Contactless inductive switch for gaming keyboards with ultra-fast response.

• No Physical Contact
• Anti-Debounce
• High Precision
• Low Power Consumption

G10B-A001 M4 Mounting

Waterproof micro switch with M4 threaded mounting for secure installation.

• Threaded Mount
• IP67 Protection
• Vibration Resistant
• Industrial Use

G25 Push Button Switch

Heavy-duty push button micro switch for industrial control panels.

• High Actuation Force
• Metal Actuator
• Long Lifespan
• Panel Mount Design

View Full Product Catalog

Key Applications

Our micro switches power innovation across industries.

Automotive

Seat adjustment, door interlocks, sun visor detection, seat belt reminders, and EV charging locks.

• G19 Series Waterproof Switches
• G20 Seat Belt Reminder
• G23A/B Charging Locks

Home Appliances

Washing machines, refrigerators, ovens, and safety interlocks requiring moisture resistance.

• G5W11 Waterproof Switch
• Door Micro Switch SWP
• G10B Series Sealed Switch

New Energy

Electric vehicle charging systems, battery management, and renewable energy controls.

• G23A Motor Electronic Lock
• G23B AC Charging Socket
• High-Reliability Contacts

Power Tools

Durable switches for drills, saws, and industrial equipment with high cycle endurance.

• G5 Series Basic Micro Switch
• G6 Mini Micro Switch
• Dustproof & Sealed Options

Industrial Control

Machine safety, limit detection, control panels, and automation systems.

• G12 Large Limit Switch
• G307 Series Sealed Switch
• DPDT & Multi-Pole Options

Gaming Control

High-performance mechanical and magnetic switches for gaming keyboards and controllers.

• Polar Magnetic Series
• GT06 Inductive Switch
• RGB & Custom Actuation

Frequently Asked Questions

What is the difference between a micro switch and a limit switch?

A micro switch is a small, fast-acting switch with a snap-action mechanism, while a limit switch is typically larger and used for position detection in machinery. Micro switches are often used within limit switch assemblies.

Are Unionwell switches waterproof?

Yes, many of our models are IP67 rated for dust and water resistance, including the G303, G304, G305, G306, G307, and G10B series.

Can you customize micro switches?

Yes, we offer full customization including actuator type, terminal style, mounting options, electrical ratings, and sealing requirements.

What industries do you serve?

We serve automotive, home appliances, new energy (EV charging), power tools, industrial automation, and gaming peripherals industries.

Do you provide samples?

Yes, we provide samples for evaluation. Please visit unionwellgz.com to request a quote or contact us directly through the official website.

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