These polymer spool insulators are suitable replacements for any
porcelain 53-1 and 53-2 insulators.
Made from polymers specially blended for the high compressive
strength required for this application. UV stable,
non-conductive and almost unbreakable, these insulators are a far
superior choice to any porcelain equivalent. Installation
identical to that for any porcelain equivalent.
Test successfully for both mechanical and electrical performance and
capabilities. Standards call for >25,000 volts dry
flashover and 15,000 volts wet flashover, both of which were
achieved during testing at the AB Chance / Hubbell testing
lab. Mechanical standards require the insulator to withstand
3000lb tension when installed in a clevis. At over 5000lbs the
clevis failed but the insulator remained completely intact and no
damage was visible. Longer term testing provided similar