The L70QS Series is a next generation High-Speed Fuse for the protection of power semiconductor devices and is designed in the Traditional North American Bolted Style package
DC170V 50 kA time constant 10 ms Pre-Arcing I²t 443 A²s Total Clearing I²t 6132 A²s Power Loss 1
The Ferraz Shawmut A4J300 fuse is UL listed to standard 248-8 File E2137
Reliable performance and long service life
current limiting Rated Current 125 A Rated Voltage 600 VAC
Eaton Bussmann 280MT: High-Speed Fuse-Link for Demanding Industrial Applications Capacitor The L70QS Series is aEaton Bussmann series high speed British standard fuse, Single barrel, 280A, 690 VAC 350 VDC (IEC), 700 VAC (UL), Class aR, Breaking capacity 200 kA RMS Sym., 40 kA DC at 350 VDC (IEC)