The Phoenix Contact 1051221 is a robust docking frame designed for accommodating four modules with a fixed assembly. This component offers precise rack compensation of ±2.0 mm in the x/y-axis, ensuring reliable alignment and connectivity in industrial automation systems. Ideal for panel-mount applications, it supports M4 cylinder head screws and is compatible with contact insert modules. Enhance your system's efficiency with this high-quality docking frame from Phoenix Contact, a leader in industrial connectivity solutions.