Littelfuse 607 Series Cartridge Fuses are high voltage and high current devices designed for the circuit protection needs of compact applications. The Littelfuse 607 Series Cartridge Fuses feature a 500VAC/DC voltage rating with up to 5KA or 10KA interrupting rating. The fuses have a 40A to 63A current rating and are ideal for use in data center power supplies as well as power conversion equipment, such as inverters and rectifiers.