K-TEK-B110FK

4 Keys IP65 dynamic Vandal proof Stainless Steel industrial matrix function keypad with industrial metal dome PCB with gold-on-gold key switch technology with short stroke 0.45mm with excellent tactile feeling for stable and accurate data input, without electronics controller included,  with rear panel mounting.
Dimensions: 110.0mm x 24.0mm (front panel)

MAIN FEATURE:
Stainless steel fascia and key-tops guard willful destruction, against corrosion, shock, dust, falling raining, splashing, hose-directed water and vandal resistant, operation under hostile environments. 
key-tops are sunk laser-etched in legends and characters via using high quality ink for easy readability, long life to prevent lettering rub-off. Or protrusive engraving available 
With firm tactile key feel, short travel gold-on-gold key switches, with unique double over-travel protection. 
Waterproof/dirt-proof execution according to degree of protection IP65, waterproof and dirt proof encapsulation with unique membrane. 
Easily mounting into enclosure or panel.

MECHANICAL DATA:
Switching Material: Gold-on-Gold 
Actuation Force: 2.0N+/-0.1N (pressure point) 
Key Travel: 0.45mm 
Lettering: laser engraving, or raised letters. 
Front Panel: brushed stainless steel 
Actuator/Keys Materials: stainless steel 
Dimensions: 110.0mm x 24.0mm 
G.W. 0.20KGs 

ELECTRICAL DATA:
Power Supply Voltage: 5.0V DC. 
Power Consumption: Under 150.0mW for operation, under 50.0mW for non-operation 
Electrical Lifetime: > 5 years 
EMC:EN55022(B)

ENVIRONMENTAL ADAPTABILITY: 
Operating Temperature:-20°C to +60°C 
Storage Temperature:-30 °C to +70°C 
Operating RH: 30 ～ 90% 
Atmospheric Pressure: 60 ～ 106Kpa. 

RELIABILITY:
RoHS Compliant, CE and FCC 
Protection Level: IP65(front panel) 
Vandal resistant IK10 
Key Lifespan >5 million actuations 
MTBF >50000h 
MTTR <30min