Square Body US Style — 1250V/1300V (IEC/UL): 50-1400A

Square Body US style — 1000V (IEC): 50-1400A

Square body US style high speed fuses

Catalog details

High speed fuse application guide no. 10507

Catalog Number 1250V/1300V (IEC/UL) 50-1400A
Dimensions See catalog details
Volts 1250Vac (IEC), 1300Vac (UL)
Amps 50-1400A
IR 100kA RMS Sym.
Agency Information CE, Designed and tested to IEC 60269: Part 4, UL Recognized. Consult Cooper Bussmann for UL Recognition/CSA Component Acceptance status.
Typical Applications • DC common bus • DC drives • Power converters/rectifiers • Reduced voltage starters


  • Excellent DC performance
  • Low arc voltage and low energy let-through (I2t)
  • Low watts loss
  • Superior cycling capability