Eaton: Product name: Eaton Systeem 55 meter board (meter board) Model/SKU: HM330 (Item number: 1965351) Technical details: Dimensions: 332 x 223 mm (height x width), depth approx. 79mm Color: Black (RAL 9005) Application: Suitable for 3-phase systems as part of the Eaton Systeem 55 installation boxes Material: ABS plastic It is a standard meter board for mounting electricity meters in electrical installation cabinets, primarily sold in the Netherlands and Europe. Further details can be found on the official Eaton product detail page.