Industrial KTNR350 Fuse Fast Acting Current Limiting Class RK1

KTN-R-350 is a Bussmann Limitron fast-acting current-limiting fuse in Class RK1, rated for 350 A at 250 V (AC/DC). This cartridge-body fuse uses ferrule end terminals and is non-indicating, designed for quick interruption of overcurrents to protect downstream equipment. It carries an interrupt rating of 200 kAIC (AC) / 100 kAIC (DC) and is UL Listed, CSA, and CE certified, making it suitable for integration in industrial low-voltage distribution and control circuits that require rapid fault clearance. As part of the Limitron family, the KTN-R series provides reliable, fast protection in RK1 fuse holders for applications demanding precise current limitation and fast response to overcurrent events.