
Metal Keypad
KY2122-3 20 Keys USB Metal Keypad For Kiosk
KY2122-3 is a 20 Keys flat key metal keypad built on an anti riot SUS304 brushed stainless steel panel for self service terminals.
Product Overview
KY2122-3 is a 20 Keys flat key metal keypad built on an anti riot SUS304 brushed stainless steel panel for self service terminals. Gold plated shrapnel under each key keeps contact resistance stable through long service in public locations. It is for kiosk builders who need more than a numeric block but not a full keyboard.
- 20 Keys give numeric entry plus function keys in one compact pad
- Gold plated shrapnel contacts maintain reliable switching over time
- Flat key design leaves no ledge for dirt to collect
- SUS304 brushed stainless steel panel and buttons resist riot damage and corrosion
- Etched button content customized according to customer requirements
- Net weight 0.25KG keeps panel loading low

Application Scenarios
- Self service terminal fascias
- Kiosks in transport and retail
- Public information machines
- Payment terminals needing function keys
- Queue and check in stations
- Vending equipment with menu selection
Who It Is For
- Kiosk manufacturers
- Self service terminal integrators
- Retail and transport equipment suppliers
- Public information system builders
Problems It Solves
- Numeric only pads lack the function keys a kiosk flow needs
- Contact resistance rises on plated steel shrapnel after heavy use
- Raised keys collect grime in public terminals
- Stock legends do not match the kiosk application
Technical Features
- 20 Keys flat key layout
- Key size 14*14*1.5mm with 0.45mm key trip
- Key strength 3N plus or minus 10 percent
- USB and PS/2 product interface
- Durability above 2 million operations
- Net weight 0.25KG and gross weight 0.3KG
- Operation temperature -10 to 45 degrees C and storage -30 to 85 degrees C
Specifications
| Keys | 20 Keys |
|---|---|
| Power supply | 5V±5% |
| Working current | <150mA |
| Durability | >2 million |
| Product interface | USB / PS/2 |
| Key size | 14*14*1.5mm |
| Key Trip | 0.45mm |
| Key strength | 3N ± 10% |
| Mounting Way | Rear mounting or Front mounting |
| Net weight | 0.25KG |
| Gross weight | 0.3KG |
| Operation Temperature | -10℃~45℃ |
Materials
- SUS304 brushed stainless steel panel
- SUS304 brushed stainless steel buttons
- Gold plated shrapnel contacts
Manufacturing Process
- SUS304 panel forming and brushing
- CNC punching of the 20 key flat field
- Gold plated shrapnel dome placement
- Button silk screen etching to customer artwork
- Circuit lamination and sealing
- USB and PS/2 interface test
Quality Control
- Contact resistance check on the gold plated shrapnel
- Key strength verified at 3N plus or minus 10 percent
- Travel measured at 0.45mm
- Weight confirmed against 0.25KG net
- Life sampling above 2 million operations
Customisation Options
- Button silk screen etching content according to customer requirements
- Layout of the 20 key field
- USB or PS/2 output
- Rear or front mounting build
- Panel cutout and fixings for the kiosk fascia
How It Compares
| 16 key numeric pads | 20 Keys add function keys for kiosk menu flows without a second device |
|---|---|
| Standard shrapnel contacts | Gold plated shrapnel holds switching reliability through long public duty |
| Raised key keypads | A flat key face is faster to wipe clean in high traffic locations |
Use Guide
- Plan the fascia cutout for the 20 key field
- Choose rear or front mounting
- Connect over USB or PS/2
- Operate between -10 and 45 degrees C
- Submit legend artwork before production
Questions About This Model
How many keys does KY2122-3 have?
20 Keys.
What contacts are used?
Gold plated shrapnel.
What is the key size?
14*14*1.5mm with a 0.45mm key trip.
Which interfaces are supported?
USB and PS/2.
What does the unit weigh?
Net weight 0.25KG and gross weight 0.3KG.
Can the key legends be changed?
Yes button silk screen etching can be customized according to customer requirements.
Request A Quote On KY2122-3
Tell us quantity, interface and mounting method. Drawings and panel cutouts are welcome by WhatsApp or email.