Monster Fuses > Mersen > GE BOLT IN General Electric - Bolt-In Series 5.08kV - R-Rated -"218A" Design 70 - 230A 390 - 630A 5.08kV - R-Rated -"55A" Design 100 - 230A 390 - 450A 5.08kV - R-Rated -"Vacuum" Design 425 - 800A 5.5kV - E-Rated - "KCB" 500 - 900E 15.5kV - E-Rated - "KED" 300E