Ferrule — FWH 6 x 32mm, 500V: 0.25-30A

Ferrule — FWH 500V: 1-30A

Eaton’s Bussmann® series of FWH 6x32mm ferrule high speed fuses are for the protection of DC common bus, DC drives, power converters/ rectifiers and reduced rated voltage starters. Available in standard and RoHS compliant versions.


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

Data sheet no. 720038

Agency cards

High speed fuse application guide no. 10507

Catalog Number FWH, FWH5
Dimensions 6x32 mm
Volts - 500Vac (0.25-1A and 3.15-30A)
- 1000Vac (2A)
- 600Vdc (1-5A)
Amps 0.25-30A
Interrupting rating - 50kA AC (0.25-1A and 3.15-20A)
- 30kA AC (2A)
- 20kA AC (25-30A)
- 50kA DC (1-5A)
Agency information - CE
- RoHS compliant
- UL Recognized JFHR2, E91958, 0.25-7A
- UL Recognized JFHR2, E19180, 10-30A
- CSA Component Acceptance file Class 1422-30, 1422-90 (53787) 0.25-7A
Typical Applications - DC common bus
- DC drives
- Power converters/rectifiers
- Reduced voltage starters