Mersen forklift truck and battery isolator fuses are specially designed for the heavy duty loads associated with DC battery powered equipment such as forklift trucks, hand trucks, motorized work platforms, and other DC battery operated systems. Rugged construction and stud mounted bolt-in design assure a long life in adverse conditions for these fuses. This expanded line of forklift truck fuses can fulfill virtually all of your heavy duty circuit protection needs up to 125V AC or DC. 125 Volts 250 amps ALS series.