Zinc alloy metal keypad for emergency device B501
This keypad frame is made in ABS material to reduce the cost and meet the demand of lower price market but with zinc alloy buttons, the vandalism grade is same as other metal keypads.
The keypad connection could be made with matrix design, also with USB signal, ASCII interface signal for far distance transmitting.
1.Keypad frame is ABS material and the cost is slightly cheaper than metal keypad but the buttons are made of zinc alloy material.
2. This keypad is made with natural conductive silicone rubber which have weather resistance, corrosion resistance and anti-aging features.
3. For surface treatment, it is with bright chrome or matte chrome plating.
This keypad could be used in telephones, machine control panel 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 |
Any appointed connector could be made as customer's request. Let us know the exact item No. in advance.
85% spare parts are produced by our own factory and with matched test machines, we could confirm the function and standard directly.
