Key features主要特点：
1. Pluggable electrical installation system：可插拔电气安装系统

2. Three possible contact styles: Spring clamp or screw for field installation, and crimped for mass production：有三种连接方式：弹簧型端子或螺钉端子方便现场安装，压接端子型方便批量生产     

3. Frame and shells available to allow both free-hand and panel-mount styles ：框架型及壳盖型两种规格分别适用于非手工安装及面板式安装

4. Locking devices give improved latching between both interconnection sides according to VDE：根据VDE安规规范该产品带有锁扣设计，提升互联牢固及稳定性

5. Tool removable contact tabs according to VDE：相关端子取拔工具参考VDE安规要求