Further information for Pepperl + Fuchs PF Interface Module 263814 - VBA-4E4A-KE5-ZEJQ/R
Control cabinet module 4 inputs and 4 relay outputs, AS-Interface specification: V3.0, voltage: 21 ... 31 V DC (INT), protection class: IP20, installation in an enclosure with protection class at least IP 54 required, protection class: EN 60529:2000, mounting: top hat rail