The Phoenix Contact 2200168 is a PCB locking element designed for securing the top PCB onto UM-PRO housings, ensuring stability and reliability in industrial applications. This essential accessory is part of the UM-PRO series, known for its customizable housing lengths and heat-resistant properties, making it ideal for integrating large electronic components. The locking element is a mandatory accessory for complete system functionality and is compatible with UM-BASIC/-PRO 122 profiles, supporting flexible and secure PCB positioning.