the download section on this page under product sheet. Further technical details and dimensions can be found in the download section on this page under product sheet. Description Type Size Conformity DTx [...] digital product integration into your planning and documentation (such as Eplan macros) can be found at MyPfannenberg . Ordering details DTI 6401 Type Rated voltage 400 V AC 230 V AC Standard Controller [...] Type Rated voltage 400 V AC 230 V AC Standard Controller Article number 13889412055 13889411055 Multi Controller Article number 13889422055 13889421055 Accessories Pieces / pack Article number Filter adapter