The ABS material for frame is UL approved ChiMei Acrylate Styrene Acrylonitrile
with vandal proof features. The buttons was made of RoHS approved
zinc alloy material and chrome plating surface treatment with against corrosion, weather-proof especially under extreme climatic conditions, water proof/dirt proof, operation under hostile environments.
We have the ability to customize any product as your request with our own R&D team and production line, so if you have any demand of the industrial products, let us know.
1.Conductive rubber with carbon granules
- Contact resistance: ≤150Ω
- Elastic force: 200g
2.1.5mm thickness UL approved printed circuit board with golden fingers
3.The PCB circuit was printed on both side to change the shorted problem from design.
This keypad is mainly used for public telephones and surely any public machines could also choose it with reliable quality.
Item |
Technical data |
Input Voltage |
3.3V/5V |
Waterproof Grade |
IP65 |
Actuation Force |
250g/2.45N(Pressure point) |
Rubber Life |
More than 2 million time per key |
Key Travel Distance |
0.45mm |
Working Temperature |
-25℃~+65℃ |
Storage Temperature |
-40℃~+85℃ |
Relative Humidity |
30%-95% |
Atmospheric Pressure |
60kpa-106kpa |
85% spare parts are produced by our own factory and with matched test machines, we could confirm the function and standard directly.