::: 서원실업 웹사이트에 오신것을 환영합니다 :::


Switch Information and Terms
Introduction to switches, some useful terms, and the different styles available and how they are used..

Guide to Switch Selection
Questions to ask when selecting a switch.

Switches and Sensors Knowledgebase
PHD Knowledgebase of questions and answers concerning Switches and Sensors products.

Application Examples
PHD application examples are a collection of diagrams that show PHD products used in real world examples.