Ferraz Shawmut Amp-Trap® A6K400R Fast Acting Fuse, 400 A, 600 VAC/300 VDC, 200 kA at 600 VAC, 20 kA at 300 VDC Interrupt, Class: RK1, Poly Tube Body

Current limiting Amp-Trap® A6K-R fuses provide excellent protection where high available short circuit currents exist. These fast acting fuses are particularly good for branch/feeder circuits and back up protection.