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Capacitive 4 × 3 Numeric Touch Keypad with Backlight
Capacitive Keyboards

Capacitive 4 × 3 Numeric Touch Keypad with Backlight

KC43

Industrial Grade

Key Highlights

  • Capacitive touch technology with no mechanical wear
  • White LED backlit numeric keys for clear visibility
  • Sealed glass/PMMA surface for easy cleaning and maintenance
  • Multiple interface options for flexible system integration
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Product Information

The Keetronics KC43 Capacitive 4 × 3 Numeric Touch Keypad is a robust, maintenance-free input solution developed for applications that demand durability, hygiene, and consistent performance. By eliminating mechanical contacts, the keypad ensures an extended operational life with no wear or performance degradation over time.

Featuring white LED backlighting, the KC43 offers excellent visibility in low-light and indoor environments. The legends are printed on the rear side of the overlay, protecting them from abrasion and daily wear. The sealed glass or PMMA surface allows easy cleaning and supports reliable operation even when used with gloves.

With support for multiple interface options including TTL matrix output, SPI, I²C, or UART, the KC43 integrates seamlessly into a wide range of systems. Its compact size, adjustable touch sensitivity, and low power consumption make it ideal for public-facing and industrial applications such as kiosks, ATMs, fuel dispensers, access control systems, and digital lockers.

Technical Specifications

Keypad Type Capacitive numeric keypad
Key Layout 4 × 3 numeric keys
Keypad Size 60 mm × 85 mm
Stud Length M3 × 10 mm
Surface Material Glass or PMMA
Connector Type 2.54 mm pitch wire-insertable connector
Operating Voltage 5 VDC / 3.3 VDC (regulated)
Signal Level 5 VDC / 3.3 VDC
Current Consumption Max. 50 mA
Backlight Color White LED
Interface Options TTL 4 × 3 matrix output | SPI / I²C / UART (any one, configurable)
Switch Function ON/OFF detection
Touch Sensitivity Adjustable
Glove Operation Supported

Features

Industrial Grade Custom Layout High Quality Made in India

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