MECHANICAL DATA
Number of keys	81 keys
Key switch Technology	OMRON switch technology with short stroke 0.45mm for stable and accurate data input
Actuation Force	2.0N±0.2N(press point)
Key Travel	0.45±0.05mm
Mounting Type	Top panel mounting
Colors	2 (white, black)
G.W.	1.00KGs
Switch life	more than 1 million of operations
Key Dimensions (print area)	14.0mm x 14.0mm
ELECTRICAL DATA
Supply Voltage	DC +5V±5%
Current Rating	30mA
EMC Standard	EN 55032:2015 EN 55035:2017
Lifespan	> 5 years
Interface	PS2, USB available
OS	All Windows, Linux, Unix, Mac OSX, Vxworks, Android, (U-cos--To be confirmed).
ENVIRONMENTAL ADAPTABILITY
Operating temperature	-20℃ to +65℃
Storage temperature	-30℃ to +75℃
Saline mist	96h, IEC60512-6
Damp heat test at +40℃	21 days, IEC 60512-6
Dry heat test at +85℃	10 days, IEC 60512-6
Humidity	100%
Atmospheric pressure	60-106Kpa
RELIABILITY
RoHS compliant, CE and FCC certified
Protection Level	IP65 dynamic (front panel)
Key Lifespan	>1 million actuations
MTBF	>20000H
MTTR	<30min
APPLICATIONS	Industrial, marine, food and beverage, processing factory, medical and pharmaceutical, numerical control machine etc.

Key Technology Rugged System Ltd

K-TEK-D256-FN-SW