Rugged 4×4 matrix numeric waterproof keypad for prison intercom telephone-B664
Rugged 4×4 matrix numeric waterproof keypad for prison intercom telephone-B664
PARAMETERS
| Model | B664 |
| Material | Zinc Alloy |
| Key size | 82.5*109mm |
| Life | 2,000,000 cycles per key |
| Contact Resistance | 200 Ohms Maxium |
| Contact Rating | 100 mA |
| PCB | Double-sided PCB |
| Conductive Rubber | Silicone conductive carbon particles |
| Key button selection | 0-9,*,#,customized keys |
| LED | 0603 LED |
| Backlit color | Blue,White,customizable |
| Connection Interface | XH plug,Pin Header,USB,PS2,RS232,RS485 |
| Certificate | CE |
| Protection Degree | IP65 |
| Vandal Proof Degree | IK08 |
| Operating Temperature | -25℃~65℃ |
| Storage Terperature | -45℃~85℃ |
| Relative Humidity | 30%-90%RH |
| Atmospheric pressure | 60-106Kpa |
