The automotive industry is undergoing a massive transformation towards electrification and intelligence. As part of this shift, the traditional mechanical handbrake lever is rapidly disappearing, replaced by the sleek, space-saving Electronic Parking Brake (EPB) button. According to market research, the global EPB market is expected to reach 64 billion RMB by 2025, with the Chinese market growing at a swift CAGR of 10.2% to reach 23 billion RMB. Behind this "one-touch" convenience lies a critical component that ensures your car stays put: the Unionwell G307 Series Micro Switch.
The Electronic Parking Brake (EPB) replaces the mechanical cable system with an electronic control unit.
Space Saving: Eliminates the bulky handbrake lever, freeing up space in the center console for storage or cup holders.
Safety & Convenience: Offers features like "Auto Hold" for hill starts and automatic engagement when the engine turns off.
Simplicity: A simple button press or pull is all it takes to secure the vehicle.
While the EPB system involves complex motors and ECUs, the user interface—the "P" button—relies on the precision of micro switches.Unionwell’s G307 Micro Switch acts as the primary signal generator within the EPB switch module.
How It Works:The operation mimics the logic of a traditional handbrake but with electronic signals:
Locking (Pull Up): When the driver pulls the "P" button up, the internal structure triggers the micro switch. This sends a signal to the ECU, which then activates the motors on the brake calipers to clamp the brake pads.
Releasing (Press Down): When the driver presses the button down, the micro switch triggers a different signal. The ECU commands the motors to retract the brake pads, releasing the wheels.
The EPB button is a high-frequency interface used every time a car is parked. Failure is not an option.Unionwell’s G307 Series is engineered for automotive interior controls:
High Reliability: Designed to withstand thousands of actuation cycles, matching the vehicle's lifespan.
Precise Haptics: Provides a crisp tactile feel, giving drivers confidence that the brake command has been registered.
Compact Design: Fits perfectly within the tight constraints of modern dashboard switch modules.
Automotive Standards: Manufactured under strict IATF16949 quality management systems, ensuring zero-defect performance for safety-critical components.
Global Reach: Trusted by Tier 1 automotive suppliers worldwide.
Customization: We offer tailored solutions for button force and terminal configurations to match specific OEM designs.
As cars become smarter, the demand for reliable electronic components skyrockets. Unionwell’s G307 micro switches serve as the dependable link between the driver’s fingertip and the vehicle’s safety system.
Contact Unionwell today for automotive-grade switching solutions that prioritize safety and performance.
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