FWJ North American 1000 Vac /800 Vdc (UL), 35 to 2000 A North American style bolted tags high speed fuses for the protection of DC common bus, DC drives power converters/rectifiers, reduced rated voltage starters and high voltage traction inverters. Ratings Volts 1000 Vac 800 Vdc Amps 35-2000 A IR 25 kA RMS Sym. (35-200 A) 100 kA RMS Sym. (250-2000 A) 50 kA at 800 Vdc (35-200 A and 450-600 A) Agency information UL Recognized, JFHR8, E91958 on 50-600 A only CE