1641 Series – 2-1/2″ Diameter Round
High-strength FRP Insulators – Shatter, Moisture, & Flame-Resistant
Standoff Insulators are molded of Underwriters Laboratories Incorporated (UL) Recognized flame-resistant fiberglass-reinforced thermoset polyester molding compound. Insulators 1603, 2015, 1461, 1872, 4610 & 4640 are UL Recognized according to UL Standard for Safety 891. They feature shatter resistance & closer height tolerances than commonly available in porcelain insulators. Moisture & heat resistance properties of these insulators are higher than those of conventional plastic insulators.