威瑯電器還為單個或者整體的電路板提供適用的外殼。這種插拔式外殼由模塊支架和模塊化外殼組成。涉及領域有機械，電子工業, 過程自動化等。外殼結構緊湊。可用于繼電器， 測量值轉換器等等。

Wieland Electric offer electronic housing for circuit board. This pluggable housing made of modul bases and modular housing units. Potential applications and markets: Mechanical andd system engineering and process automation. Typical applications: Relay modules Potenial monitors.