This product is a wear part for Drive Altivar 61 and Altivar 71. This Fan for variable speed drive is a cooling accessory. Please review wear parts allocation document to undestand the required quantity depending on drive range and size. This Fan increase the Drive life time. 1 Fan required for all drive ranges. This fan has a fixed type body which is made of plastic. Its dimensions are 37.5cm (width) x 37.5cm (Length) x 32cm (Height) and weighs 8.764g. This kit includes 1 fan, 1 mounting bracket, 1 Instruction sheet.