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 |


