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Industrial input devices manufactured in Shenzhen since 1995
KY2122-3 20 key USB stainless steel kiosk metal keypad flat key face
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
KY2122-3 20 key USB stainless steel kiosk metal keypad flat key face
KY2122-3 20 key USB stainless steel kiosk metal keypad flat key face

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

KY2122-3 specification
Keys20 Keys
Power supply5V±5%
Working current<150mA
Durability>2 million
Product interfaceUSB / PS/2
Key size14*14*1.5mm
Key Trip0.45mm
Key strength3N ± 10%
Mounting WayRear mounting or Front mounting
Net weight0.25KG
Gross weight0.3KG
Operation Temperature-10℃~45℃

Materials

  • SUS304 brushed stainless steel panel
  • SUS304 brushed stainless steel buttons
  • Gold plated shrapnel contacts

Manufacturing Process

  1. SUS304 panel forming and brushing
  2. CNC punching of the 20 key flat field
  3. Gold plated shrapnel dome placement
  4. Button silk screen etching to customer artwork
  5. Circuit lamination and sealing
  6. 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 pads20 Keys add function keys for kiosk menu flows without a second device
Standard shrapnel contactsGold plated shrapnel holds switching reliability through long public duty
Raised key keypadsA flat key face is faster to wipe clean in high traffic locations

Use Guide

  1. Plan the fascia cutout for the 20 key field
  2. Choose rear or front mounting
  3. Connect over USB or PS/2
  4. Operate between -10 and 45 degrees C
  5. 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.