Outdoor telephone keypad with big buttons B529

Short Description:

The keypad with zinc alloy keys and stainless steel key frame, it is mainly used for access control system.

Taking to provide reliable, delicate industrial and military keypads and telephone handsets as our company mission, we focus on to be the global leader in industrial keypad and telecommunication handsets.

Product Detail

Product Tags

Product Introduction

It is a keypad which mainly designed for prison phone or elevators as dial keypad . The keypad panel is made in SUS304 stainless steel material and zinc alloy metal buttons., which is vandal-proof, against corrosion, weather-proof especially under extreme climatic conditions, water proof/dirt proof, operation under hostile environments.
Our sales team has rich experience in industrial telecommunication filed so we could offer the most proper solution of your problem if you contact us. Also we have R&D team as support at any time.


1.This keypad is mainly conductive by 250g metal domes with 1 million times working life.
2.The keypad front and rear panel is SUS304 brushed or mirror stainless steel maetrial which has strong vandal proof grade.
3.The buttons is made with width 21mm and height 20.5mm dimension. With this big buttons, it could be used by people who have big hands.
4.There also have insulating layer between the PCB and rear panel which prevent shorting during usage.



This keypad could be used in prison phone also industrial machines as control panel, so if you have any machine which need big buttons keypad, you could choose it.



Technical data

Input Voltage


Waterproof Grade


Actuation Force

250g/2.45N(Pressure point)

Rubber Life

More than 2 million time per key

Key Travel Distance


Working Temperature


Storage Temperature


Relative Humidity


Atmospheric Pressure


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.

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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