정점 = 9mm For Use With = DPN EN 60947-7 and EN 60439-1. NF USE. Prodis connection busbars. The connection busbars ensure correct installation of all "Prodis compatible" systems; DT 40 (1P+N and 3P+N), TL, CT, ITG 40, CM, etc. The busbars can be cut using a saw.