Bussmann KAC300 Rectifier Fuse

KAC-300 is a Bussmann TRON rectifier fuse, a North American style high-speed cartridge fuse rated for 300 A at 600 VAC. It carries a 200 kA interrupting rating at 600 VAC, enabling rapid fault clearance in rectifier circuits such as diode bridges and power conversion assemblies. The cartridge-body design supports both blade-end terminals and stud-mount terminations, and the body measures roughly 2 inches in diameter by 6.18 inches long, providing a robust footprint for demanding applications. These fuses are designed for fast response and reliable operation in high-current rectifier mains and power conversion assemblies. The part number KAC-300 identifies this 300 A, 600 V rectifier fuse in distributor catalogs and replacement inventories, where it is intended for use in compatible Bussmann TRON rectifier holders to protect high-current rectifier stages in 600 V systems.