Unionwell Micro Switch Manufacturer Dual-circuit Car Sealed Subminiature Micro Switch
Max. Current:50mA
Max. Voltage:18V
Operating Temperature:-40~+85℃
Protection Level:IP67
IP level:IP67
Rating:50mA 18VDC
Electrical life:300,000cycles
Mechanical life:500,000cycles
Lever type:W/O lever
Operating force:150gf max
Company assurance system:ISO9001 & TS16949
Environmental compliance:RoHS, Reach
Terminal type:PCB terminals
Color:Black
Application:Automotive, ASIL related applications
◆ Small size, compact structure, high reliability, and long lifespan.
◆ Primarily used in the automotive industry, electronic equipment, and other low-current load industries.
| Rating | 50mA 18VDC 50μA 5VDC | |
| Operating Frequency | Electrical | 15~20 cycles/min 1~100mm/s |
| Mechanical | 15~20 cycles/min | |
| Initial contact resistance | 75mΩ Max. | |
| Insulation resistance | 100MΩ Min. | |
| Dielectric strength | between terminals | AC 100V |
| between terminals and housing | AC 100V | |
| Operating environment temperature | -40℃~+85℃ | |
| Operating environment humidity | under 95%RH (+5~+35℃) | |
| Protective structure | IEC IP67(excluding terminals) | |
| Lifespan | Electrical | 300,000 cycles |
| Mechanical | 500,000 cycles | |


In automotive applications, this switch is commonly used in automotive handbrake systems, achieving safety redundancy detection through a dual-loop design. When the driver engages or releases the handbrake, the dual-loop structure synchronously provides status signals, enhancing the safety and responsiveness of the control system. Furthermore, its high durability design ensures stable performance even after prolonged use.
In electrical devices, this micro switch can be used in power tools, detection modules, and control units. The dual-loop structure allows for more refined control logic and signal switching, ensuring stability and accuracy during operation. Meticulously designed by a professional micro switch manufacturer, this product balances high reliability and miniaturization, making it an ideal choice for automotive and industrial control applications.
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.



