- Maximum reliability and durability, Ideal for use in rough environments.
- IP68 Dust and water resistant, Sea-water and detergent resistant.
- No moving part, maintenance free.
- Made of one piece of solid metal, totally rugged.
- Potted switching unit at rear seals against all contamination and prevents freezing
- Flexible anodize print or laser engrave layout
Touch metal piezo keypads
The product is made to serve reliably in the harshest conditions, such as extreme weather and in high-risk areas where vandalism is a concern. The keypads has waterproof and tamper-proof details, contains no moving parts and is constructed to deliver maximum long-term use. This keypad comes with Matrix output as standard, eliminating the need for costly ASIC interfaces.
Learn More: LANGIR Piezo Technology Applications
Touch metal piezo keypads
Technical Data:
Electrical Data | |
Standard Output | Matrix / Common Bus |
Contact Arrangement | SPST N.O. |
Switch Voltage | 1 – 24V AC/DC |
Switching Current | 0.2A / 1A |
Force required for switch operation | 3 – 5N |
Mechanical Data | |
Material | Aluminium / Stainless Steel |
Graphics | Anodized Printing / Laser Engraving |
Electrical Connection | Flat Cable / Pins |
Available Interfaces | RS232 / RS485 / USB/ I2C / ASCII / UART |
Environmental Data | |
Operating Temperature | -20°C to 85°C |
Exceeds Class 1 Div 1 hazardous location requirements | |
Impact proof to lK10 | |
IP68-IP69K wash-down proof up to 100 Bar (manysubmerged installations) | |
Compliant with IEC/EN 60529,CE, ROHS,REACH | |
Neither creates nor is affected by ESD, RFI or EM. |
3X4/ 4X3 | Description | Options | |
KP34 | 3X4 Touch Metal Piezo Keypad | Matrix , Common Bus, Data, USB | |
KP43 | 4X3 Touch Metal Piezo Keypad | Matrix , Common Bus, Data, USB | |
4X4 | Description | Options | |
KP44 | 4X4 Touch Metal Piezo Keypad | Matrix , Common Bus, Data, USB | |
4X5 / 5X4 | Description | Options | |
KP45 | 4X5 Touch Metal Piezo Keypad | Matrix , Common Bus, Data, USB | |
KP54 | 5X4 Touch Metal Piezo Keypad | Matrix , Common Bus, Data, USB |
Order Code
Main products

16mm Piezo switch

19mm Piezo switch

22mm Piezo switch

25mm Piezo Switch

16mm Capacitive Switch
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19mm Capacitive Switch
Discover LANGIR's high-performance 19mm capacitive touch buttons. With cutting-edge sensing technology, our durable switches are suitable for diverse industries like industrial automation, medical equipment, control panels, etc.

22mm Capacitive Switch
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25mm Capacitive Switch
Available with diameter 16, 19, 22 or 25 mm bushing, CP series sensory switches are extremely easy to use and ideal for repetitive applications (no operating force). Their IK10 robustness and unlimited life are perfect for self-service applications.