Round keys ip65 waterproof payphone 4×4 keypad B502

Short Description:

It mainly has the functions of fire prevention, corrosion prevention and riot prevention

we focus on to be the global leader in industrial keypad and telecommunication handsets. With altruism, ingenuity, integrity, struggle, cooperation and innovation’s value and in pursuit of excellence,we aims to become the number one professional supplier of industrial keypads and handsets in global market.

Product Detail

Product Tags

Product Introduction

1.Key frame uses high quality zinc alloy.
2. Buttons are made of high quality zinc alloy, with a strong anti-destruction capability.
3. With natural conductive silicone rubber -weather resistance, corrosion resistance, anti-aging.
4. Double side PCB with golden finger, resistance to oxidation.
5.Button color: bright chrome or matte chrome plating.
6.Key frame color according to customer requirements.With alternative interface.



It is mainly for access control system, industrial telephone,vending machine, security system and some other public facilities.



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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