SDI 90.150 AND SDI 90.280 COMPOSITE INSULATORS UTILITY NETWORKS

UTILITY NETWORKS ENSTO SEKKO OY PL 51 06101 PORVOO, FINLAND PUH. 0204 76 21 FAX 0204 76 2770 [email protected] WWW.ENSTO.COM tt-urex 2005 SDI 90 composite insulators are the next step on Ensto’s composite insulator series. Tension insulators are even lighter than the previous SDI80 series but still very strong and durable in every day use. SDI90 insulators fulfill the requirements of IEC 61109. The sheds of the insulators are made of highly hydrophobic silicon rubber. The core is made of corrosion resitant fiber glass rod and the end fittings are made of hot-dip galvanized steel. Tension...