External Mini Die Casting Metal Keypad 4 X 4 Rear Panel Mounting
Main features:
1) Force 160-180 grams, nimble dial-up
2) Highly anti-destructive power,
3) Relative humidity ≤ 95%
4) Defend grad e IP65~IP67
5) Atmospheric pressure 80~106kPa
6) Contact resistance<100 Ω
7) Ambient temperature -20~+50 °C
8) Service life≥500 thou san d
Main components
1) Alloy chrome-plated button and framework
2) Natural electrical conductive silicon rubber
3) Epoxy resin gilding
PCB Users choice
1) Button chrome-plated colors: polished or sandblasted chrome.
2) Zinc alloy – plated of the framework’s colors: polished or sandblasted chrome
3) Other usage keyboard is available be side s using for telephone and access control systems
Mechanical Drawing:
Actual Photos: