Round buttons stainless steel keypad for payphone B803

Short Description:

It’s 3×4 12 keys vandal proof IP65 stainless steel keypad, matrix design with carbon-on-gold key switch technology. Special round buttons design, LED color available for customer’s choice. Specially designed keyboards meet the high demands with ragrd to design, functionality, longevity and high protection level. Mainy used for payphone and other public facilities.

We have our own factory, formed a professional production system from material supply, manufacturing to sales, and have a professional R&D and QC team. We always keep ourselves updated with market trends. We are willing to introduce new technologies and services to meet the needs of the market.

Product Detail

Product Tags

Product Introduction

It is mainly for access control system, industrial telephone, vending machine, security system, specially designed for public environment  applications, such as vending machines,  ticket machines, payment terminals, industrial machinery. Keys and front panel are built from SUS304#  stainless steel with high resistance to impact  and vandalism and is also sealed to IP54.


1. Material: 304# mirror stainless steel.
2. Conductive silicone rubber with carbon layer and 0.45mm travel distance.
3. It could be made with matrix design and also could be made with USB interface, UART interface and ASCII connector.


va (2)

Normally used in vending machines.



Technical data

Input Voltage


Waterproof Grade


Actuation Force

250g/2.45N(Pressure point)

Rubber Life

More than 1 million cycles

Key Travel Distance


Working Temperature


Storage Temperature


Relative Humidity


Atmospheric Pressure


            LED color


Dimension Drawing


Available Connector

vav (1)

Any appointed connector could be made as customer's request. Let us know the exact item No. in advance.

Available color


If you have any color request, let us know.

Test machine


85% spare parts are produced by our own factory and with matched test machines, we could confirm the function and standard directly.

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