Numeric keypad with function keys B518

Short Description:

It is IP65 waterproof 3X4 customized die casting  keyboard for SIP phone

With 14 years’ development,We developed a 6,000 square meters of production plants and 80 employees now, which has the ability from original production design, molding development, injection molding process, sheet metal punching processing, mechanical secondary processing, assembly and oversea sales.

Product Detail

Product Tags

Product Introduction

The whole keypad is made in zinc alloy material with anti-corrosion chrome plating on surface; The buttons could be made with or without alphabets;
The numbers and letters on buttons would be printed with different color.
How to do when the goods broken? 100% in time after-sales guaranteed! (Refund or Resent goods can be discussed based on the damaged quantity.)


1.The PCB is made with double proforma coating on both side which is waterproof and dust proof for outdoor use.
2.The interface connector could be made as customer’s request with any appointed brand and it could also be supplied by customer.
3.The surface treatment could be made in chrome plating or matte shot blasting which is more proper for industrial use.
4.The buttons layout could be customized with some tooling cost.



This original keypad was designed for industrial telephones but it could be used in garage door lock , access contorl panel or cabinet lock.



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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