The Bussmann KAC-800 North American style rectifier high-speed fuse is a cartridge-bodied protection device rated 800 A and 600 V AC, with a 200 kA interrupting capacity, designed for fast protection of rectifier circuits in power electronics. As part of the KAC high-speed family, it targets rectifier applications such as diode bridges and other power-rectifier assemblies, and is offered in end configurations including blade-ended and stud-ended variants. The KAC-800 designation identifies the 800 A rating and its cartridge-body form factor within Bussmann's high-speed rectifier fuse lineup.
