Monster Fuses > Mersen > PT Mersen - Potential Transformer 2.4kV - E-Rated - 4" Clip Center 1/2 - 5A 4.8kV - E-Rated - 5" Clip Center 1/2 - 5A 5kV - E-Rated - 5" Clip Center 1/2 - 5A 7.2kV - E-Rated - 8.88" Clip Center 1/2 - 3A