BUSSMANN FCF

FCF Class CF fast-acting CUBEFuse

Finger-safe, non-indicating, fast-acting CUBEFuse for UPS and criticalapplications 

with a 4 minute maximum clearing time at 200%, ratedcurrent for 1 to 30 A fuse, 

6 minute maximum clearing time at200%, rated current for 35 to 60 A fuse. 

For dimensions, see page1-3. 

Ratings • Volts 600 Vac/dc (or less) • Amps 1-100 A 

• IR • 300 kA RMS Sym. (UL up to 60 A) • 200 kA RMS Sym. (CSA all ratings and UL 70 to 100 A) • 50 kA DC

Agency information

• UL Listed, Guide JDDZ, File E4273, CSA Certified, Class 1422- 02,File 53787, RoHS compliant, CE 

Features 

• The world's first finger-safe power fast-acting fuse system

• Smallest installed footprint of any class fuse including Class CC, J,and RK 

• Class CF meets Class J fast-acting electrical performancerequirements 

• True fast-acting for faster response to damaging faults to helpreduce destructive thermal and magnetic forces

• High interrupting rating to safely interrupt faults up to 300 kA • No venting of arc or molten metal and gases during opening

• Low let-through currents under fault conditions

FCF1RN   FCF20RN   FCF45RN   FCF90RN   FCF3RN 

FCF25RN   FCF50RN   FCF100RN   FCF6RN   FCF30RN 

FCF60RN   FCF10RN   FCF35RN   FCF70RN   FCF15RN 

FCF40RN   FCF80RN