Unionwell G20series Car Seat Belt Reminder Switch 40T85
Mechanical Operating Frequency: 120 cycles/min
Electrical Operating Frequency: 10~30 cycles/min, 1~500mm/s
Contact Resistance (Initial Value): 100mΩ Max. (Without line)
Insulation Resistance: 100MΩ Min.
Resistor Switching: <20mohms(Initial Value)
Dielectric strength: (Between terminals) AC 500V
Dielectric strength: (Between terminal and housing) AC 1000V
Operating Temperature: -40℃~+85℃
Starting Time:<3ms
Electrical Service Life: 500,000 cycles
Mechanical Service Life: 1,00,000 cycles
OP: 10.0±1.0mm
Product Description
As an automotive sealed switch for use in vehicle systems, the G20 Series boasts a mechanical life of 500,000 cycles and an electrical life of 500,000 cycles, capable of withstanding long-term vehicle vibration and frequent use, significantly improving product durability and stability. It is suitable for various automotive seat systems in passenger cars and commercial vehicles, seamlessly integrating into seat latches or strap structures for real-time monitoring of occupant behavior, providing reliable input signals for vehicle safety functions.
Furthermore, the G20 Series is a high-reliability IP67 car seat belt switch. Equipped with an IP67 waterproof and dustproof rating, it effectively blocks external factors such as moisture, dust, and dirt, ensuring stable operation even in hot, humid, or dusty outdoor environments. This characteristic makes it ideal for long-term, full-lifecycle vehicle use, further guaranteeing the normal operation of the safety reminder system.
With its compact size, flexible installation, and stable performance, the G20 Series Car Seat Belt Reminder Switch is widely used in automotive cabin safety testing, assisting OEMs in improving the reliability of seat safety systems and providing a higher level of safety protection for drivers and passengers. It is currently the preferred solution for automotive-grade seat belt reminder systems.
◆ This series is mainly used in industries with low-current loads such as automotive seating and electronic equipment.
◆ The series offers a variety of built-in resistor configurations.
◆ Switch module for Construction machinery vehicle
◆ Use G303-130K00A13-A1U switch, Components comply with UL certificatior
◆ Can withstand large tension, stable and reliable lifespan.
| Rating | 5~1000mA 4~48VDC(according to different resistance selection) | |
| Operating Frequency | Mechanical | 120 cycles/min. |
| Electrical | 10~30 cycles/min 1~500mm/s | |
| Contact Resistance (Initial Value) | 100mΩ Max.(single switch,excluding resistors) | |
| Insulation Resistance | 100MΩ Min.(single switch,excluding resistors) | |
| Dielectric Strength | Between terminals: AC 500V (single switch excluding resistors) Between terminals and housing: AC1000V | |
| Operating Temperature | -40℃~+85℃ | |
| Service Life | Electrical | 300,000 cycles |
| Mechanical | 1,000,000 cycles | |


This switch boasts IP67 waterproof and dustproof performance, effectively resisting the effects of rain, moisture, dust, and other complex environmental conditions. It is suitable for various vehicle types, including sedans, SUVs, and commercial vehicles. Its precision structure ensures stable triggering even under long-term vibration, frequent use, and temperature fluctuations, reducing false alarms and missed alarms, and enhancing the reliability of the vehicle's safety control system.
The G20 Series seat belt reminder switch is compact, easy to install, and can be tightly integrated with the seat structure. It is an indispensable component for automotive cabin safety management, providing OEMs with an efficient, durable, and safe solution.
FAQS
Who are we?
We are based in Guangdong, China, start from 2007,sell to Domestic Market(60.00%),Southern Europe(14.00%),NorthAmerica(13.00%),Southeast Asia(8.00%),Western Europe(3.00%),Northern Europe(2.00%). There are total about 301-500 people in our office.
How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment.
What can you buy from us?
We have a wide range of products and a large amount of stock in stock, such as Micro Switch; Automotive switches; Waterproof switches; Pressure switches; Mechanical keyboard switches.With independent research and development laboratory, we can provide customized services according to your needs.
Why should you buy from us not from other suppliers?
Factory ISO9001 & IATF16949 qualified Products are produced & tested by automatics;
Own team designed and assembled automatic machines ;
Awarded as National Innovative Technology ;
Company authorized over 100 Patents.
What services can we provide?
Accepted Delivery Terms: FOB,EXW,FCA,Express Delivery;
Accepted Payment Currency: USD, HKD, CNY;
Accepted Payment Type: T/T,Western Union,Cash;
Language Spoken:English,Chinese.



