ltlutilit y supply c om 408 POLE LINE HARDW AREHV EQUIP MENT Silic one C omposit e I nsulat ors c ombine the t echnolog ies of a f ber glass r einf or c ed r o d metal f ttings and Salisbur y s ex t ensiv e k n o wledge of elast omeric insulation t o pr oduc e a high qualit y c omposit e insulat o r Sinc e 1980 thousands of silic one insulat ors ha v e been installed b y utilities w o rldwide in a variet y of en vir onments C o ntinued outstanding per f o rmanc e is pr oof of their superio r qualit y and desig n Design Unibody Desig n insulat ors ar e one piec e injec tion molded dir ec tly t o the r od and sealed t o the end f ttings with a bead of silic one t o g i v e the insulat or high dielec tric str ength and pr ot ec t it fr om all en vir onmental c onditions T his desig n is used f or standar d distribution dead endsuspension insulat ors F i ber glass Rod A high qualit y f ber glass r einf or c ed r od is the c o r e of ev er y insulat or with ultimat e mechanical str ength at least t wic e the maximum w o rk load End f ttings Standar d distribution deadend suspension units ar e supplied with clevis and t ongue f ttngs meeting ANSI C29 specif cations Ball socket and ey e f ttings ar e also a v ailable All ar e made of hot dipped galvaniz ed high str ength carbon st eel and ha v e an ultimat e t ensile str ength rating of 15000 pounds All end f ttings on deadend suspension insulat ors ar e attached b y c ompr ession E v er y insulat or is pr oof t est ed t o v e rify the crimp Silic one Insula tors p Unibody insulat ors ha v e end f ttings sealed with silic one t o eliminat e an y possibilit y of moistur e or c o ntamination fr om r eaching the f ber glass r o d INSUL A T OR SPECIFIC A TIONS D imensions Ra t ed V oltage kV 1 5 2 5 3 5 S e c tion Length mm 345 15 430 35 525 55 Leak age D istance mm 430 640 850 Minimum Arcing D istance mm 210 301 398 Elec tric al Ra tings Lo w F r equenc y Flasho v e r D r y 100 131 166 V oltage T est 60 Hz kV W et 82 111 138 C ritic al Impulse Flasho v e r P ositiv e 159 221 279 V oltage T est kV N ega tiv e 185 251 320 Radio Inf uence V oltage D a ta V M ax V oltage 1 1 1 Mechanic al Ra tings F ailing Load T est K G 7000 7000 7000 Number of S heds 4 6 8 S alisbur y b y Honey w ell