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Products/Keypads
PK Series - Piezoelectric Keypads

No keys to break.
No seals to fail.

The PK Series delivers solid-state keypads from 12 to 20 keys and beyond. No moving parts. Fully sealed front and rear. Rated at 50 million actuations per key. Standard formats ship immediately. Custom layouts to any key count and marking on request.

IP68 front and rear IK10 50M actuations per key -40°C to +85°C Aluminium or stainless
RNC PK Series Piezo Keypad
50M
Actuations per key, rated
IP68
Sealed front and rear
IK10
Maximum impact resistance
75°C
Max operating temperature
Product range

Standard formats. Any custom layout.

Standard formats fit existing panel cutouts and wiring standards, keeping integration straightforward. Custom layouts are available when your application needs a specific key count, arrangement or form factor.

PK-12 3x4 keypad
PK-12
3 x 4 - 12 keys
The most common format for PIN entry and access control. Numeric layout with *, # and 0-9. Fits standard panel cutouts used across access control, parking, kiosks and industrial terminals. Direct replacement for existing mechanical or membrane keypads.
Standard format - Most common
PK-20 5x4 keypad
PK-20
5 x 4 - 20 keys
Extended layout with numeric keys plus function keys, navigation and application-specific keys. Used in parking pay stations, industrial terminals and self-service equipment where the operator needs more than just PIN entry.
Standard format - Extended function
Custom keypad
PK-Custom
Any layout, any key count
Key count, row and column arrangement, overall dimensions, key size, spacing and marking are all configurable. Standard 4×4 format also available. Submit your requirements and we respond within one business day.
Custom layout. Built to spec.
Output and interface

Connects to whatever you're running.

The keypad output connects directly to your controller. Choose the output type that matches your system architecture.

Matrix output
Row and column scanning

Efficient wiring: a 12-key keypad needs only 7 lines. Standard for most OEM integrations. Compatible with a wide range of microcontrollers and access control systems.

Common bus output
One shared line plus individual key lines

Used where the host system or legacy installation expects direct key connections. Wiegand and RS-485 interface variants also available on request.

3x4 keypad front
4x5 keypad front
5x4 keypad front
Custom
Any layout,
any key count
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Specifications

Built to the numbers.

Electrical
Operating cycles>50,000,000 per key
Switch voltage24V DC max
Switch current200mA max
Actuating force2 to 4N (temperature dependent)
Contact bounce1ms max
Contact arrangementSPST N.O.
Environmental
IP ratingIP68 front and rear
Operating temperature-40°C to +85°C
Impact resistanceIK10
Construction
Housing materialsAluminium 6061 T651 · Stainless 303 / 304 / 316
Key markingAnodized printing or laser engraving
Connection8-pin male connector standard
Get started
Specifying a keypad for your product?

Tell us about your application, key count, environment and output requirements. We'll confirm the right format and have a sample to you fast.

Discuss Your Application
PT Plus
Need an intelligent keypad?

PT Plus variants add adjustable sensitivity, temperature compensation and digital communication to select keypad formats.

Learn about PT Plus