The ETI Fuse - links adhere to the norms of IEC 60269 - 4 with a rated voltage range of 400 V / 250 V and a breaking capacity range of 50 kA / 8 kA. The Fuse - links of system DO are used in fuse surface of E 14 and E 18 and fuse - switch disconnectors VLD01 and STV D02.