Monster Fuses > Cooper Power Systems > FERRULE MOUNTED Cooper Power Systems - Ferrule Mounted - Full Range - JOE 5.5 kV - E-Rated - 12" Clip Center 5 - 65E, 2" Dia. 10 - 200E, 3" Dia. 250 - 450E, 3" Dia. 15.5 kV - E-Rated - 15" Clip Center 5 - 30E, 2" Dia. 10 - 200E, 3" Dia. 15.5 kV - E-Rated - 18" Clip Center 65 - 100E, 3" Dia. 125 - 200E, 3" Dia.