E Rated Blade Fuse . Dec 1, 2010 #6 l. But, if the voltage increases beyond the fuse rated current, the resistive element interrupts the circuit by melting. 5A Mini ATU Blade Fuse Pack of 15 Phipps Electronics from www.phippselectronics.com Ampere ratings for the ato® blade fuses range from 1 to 40 amps. High temperatures in adverse environments makes the mini ® fuse of recommended choice for protection. L i t t e l f u s e.