Key features主要特點：
1. Pluggable electrical installation system：可插拔電氣安裝系統
2. Three possible contact styles: Spring clamp or screw for field installation, and crimped for mass production：有三種連接方式：彈簧型端子或螺釘端子方便現場安裝，壓接端子型方便批量生產
3. Frame and shells available to allow both free-hand and panel-mount styles ：框架型及殼蓋型兩種規格分別適用于非手工安裝及面板式安裝
4. Locking devices give improved latching between both interconnection sides according to VDE：根據VDE安規規范該產品帶有鎖扣設計，提升互聯牢固及穩定性
5. Tool removable contact tabs according to VDE：相關端子取拔工具參考VDE安規要求
