ürünler IEC 62368-1:2018 Annex T.6 Figure T.1 Steel Ball Impact Test For Enclosure The Steel Ball Impact Test For Enclosure is designed based on the requirements of IEC 62368-1:2023 Annex T.6 Figure T.1 (GB/T 4943.1-2022 Annex T.6 and 19 Haziran 2025