Numeric Keypad With LCD
KY-2120D Illuminated Metal Keypad With 12 Buttons
KY-2120D is an embedded metal keypad with 12 buttons that emit light, so the key field stays readable in dim lobbies and at night.
Product Overview
KY-2120D is an embedded metal keypad with 12 buttons that emit light, so the key field stays readable in dim lobbies and at night. The SUS304 brushed stainless steel face is explosion-proof and anti-corrosive, and the interface can be USB, PS/2 or RS232. It is fitted from bottom to top with the base plate fixed.
- Buttons emit light, keeping the keypad usable in unlit or low light locations
- Three interface options of USB, PS/2 and RS232 cover most terminal controllers
- Large 21.5*15.5*1.5mm keys are easy to hit accurately with gloves
- SUS304 brushed stainless steel panel resists forced entry and corrosion
- Overall size of 126*104cm defined so the fascia can be machined before delivery
- Etched key content follows your own artwork
Application Scenarios
- Outdoor and lobby self-service terminals used after dark
- Financial equipment requiring visible key feedback
- Communication equipment cabinets with low ambient light
- Military equipment stations needing illuminated entry
- Access points and entry stations at night
Who It Is For
- Self-service terminal OEMs deploying in low light sites
- Financial equipment manufacturers
- Communication and utility cabinet builders
- Security and access control system integrators
Problems It Solves
- Unlit metal keypads become unusable at night without an external lamp
- Controllers with only a serial port cannot take a USB keypad
- Small key tops cause mis-entry by gloved or older users
- Plastic illuminated keypads discolour and lose light transmission
Technical Features
- 12 buttons with light emitting key function
- Front panel 119.8*73.8cm with overall size 126*104cm
- Support for USB, PS/2 and RS232 interfaces
- Key size 21.5*15.5*1.5mm with 0.45mm key trip
- Operation force 3N plus or minus 10 percent
- Power supply 5V plus or minus 5 percent, working current under 150mA
- Durability of more than 2 million operations
Specifications
| Buttons | 12 |
|---|---|
| Front panel | 119.8*73.8cm |
| Overall size | 126*104cm |
| Power supply | 5V±5% |
| Working current | <150mA |
| Durability | >2 million |
| Interface | Support USB / PS/2 / RS232 |
| Key size | 21.5*15.5*1.5mm |
| Key trip | 0.45mm |
| Operation force | 3N ± 10% |
| Mounting way | From bottom to top, the base plate is fixedly assembled |
| Operation temperature | -10℃~45℃ (Relative humidity 20%~85%) |
Materials
- SUS304 brushed stainless steel panel
- SUS304 brushed stainless steel keys
Manufacturing Process
- Panel blanking to the 126*104cm overall size
- CNC machining of the 12 key apertures
- Brushing and cleaning of the stainless face
- Laser etching of black key characters
- Backlight module fitting and bottom to top base plate assembly
Quality Control
- Illumination checked on every key before packing
- Interface verified on the ordered USB, PS/2 or RS232 mode
- Key trip and operation force sampled to 0.45mm and 3N ± 10%
- Panel dimensions checked against the 119.8*73.8cm front panel drawing
Customisation Options
- Key silk-screen or etching content to your requirement
- Interface selected from USB, PS/2 or RS232
- Key legends etched in black for laser marking
- Cable length and exit position
- Panel fixing pattern matched to your fascia
How It Compares
| Non illuminated metal keypads | KY-2120D buttons emit light, so the key field stays readable without a separate lamp. |
|---|---|
| USB only keypads | KY-2120D supports USB, PS/2 and RS232, so older serial controllers are covered. |
| Small 14mm key keypads | The 21.5*15.5*1.5mm keys give a larger target for gloved operators. |
Use Guide
- Machine the fascia to the 119.8*73.8cm front panel and 126*104cm overall dimensions
- Assemble from bottom to top and fix the base plate
- Select and connect the USB, PS/2 or RS232 interface ordered
- Confirm every key lights and reports before closing up
- Keep the installed ambient within -10℃~45℃
Related Products
Questions About This Model
Do the keys light up?
Yes. KY-2120D has 12 buttons and the buttons can emit light.
Which interfaces are supported?
USB, PS/2 and RS232 are all supported.
What size are the keys?
Key size is 21.5*15.5*1.5mm with a 0.45mm key trip.
How is the keypad mounted?
From bottom to top, with the base plate fixedly assembled.
What are the panel dimensions?
Front panel is 119.8*73.8cm and the overall size is 126*104cm.
Can the key markings be changed?
Yes, the key silk-screen or etching content can be customized to your requirements.
Request A Quote On KY-2120D
Tell us quantity, interface and mounting method. Drawings and panel cutouts are welcome by WhatsApp or email.