Eaton Bussmann FWP-20A22FI 20A 700V AC/DC Class aR 22x58mm aR High-Speed Ferrule Fuse with Striker
● Check availabilityFWP-20A22FI: 20A; 700V AC/DC; Class aR; High-Speed; 200kA AC / 50kA DC.
Rated Current20A
Rated Voltage700V AC/DC
Breaking Capacity200kA AC / 50kA DC
Package22x58mm
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Part NumberFWP-20A22FIBrandEaton BussmannRequested Qty
Eaton Bussmann FWP-20A22FI is a 22x58mm ar high-speed ferrule fuse with striker rated 20A at 700V AC/DC. Interrupting/withstand rating: 200kA AC / 50kA DC. Typical applications: DC common bus, DC drives, Power converters, Rectifiers, Reduced-voltage starters. Source: Bussmann Full Line Catalog 1007 (2018), page 4-30.
Quick answer, specifications & FAQ
Direct answer
Eaton Bussmann High-Speed Ferrule Fuse FWP-20A22FI is rated 20A, 700V AC/DC, High Speed, 22x58mm. Breaking capacity 200kA AC / 50kA DC, I²t Pre-arcing 19 A²s; clearing 260 A²s, certifications CE. Listed applications: DC Bus Protection, Motor Drives, Motor Starters, Power conversion. FWP-20A22FI: 20A; 700V AC/DC; Class aR; High-Speed; 200kA AC / 50kA DC.
Key specifications
- Part number: FWP-20A22FI
- Brand: Eaton Bussmann
- Rated current: 20A
- Rated voltage: 700V AC/DC
- Breaking capacity: 200kA AC / 50kA DC
- Fuse speed: High Speed
- Package size: 22x58mm
- Terminal type: Ferrule + Striker
- Certifications: CE
- Typical lead time: 12-16 weeks
- Source: Bussmann Full Line Catalog 1007 (2018), page 4-30. Catalog watts loss at rated current: 5 W.
Frequently asked questions
What are the current and voltage ratings of FWP-20A22FI?
FWP-20A22FI is rated 20A at 700V AC/DC.
What is the breaking capacity of FWP-20A22FI?
FWP-20A22FI has a breaking capacity of 200kA AC / 50kA DC. Confirm this covers the available fault current at the installation point.
What package size does FWP-20A22FI use?
FWP-20A22FI uses 22x58mm package size.
Which standards and approvals apply to FWP-20A22FI?
FWP-20A22FI is listed under CE.
What is FWP-20A22FI used for?
FWP-20A22FI is listed for DC Bus Protection, Motor Drives, Motor Starters, Power conversion applications. Verify suitability for your circuit before ordering.
What are the ordering terms for FWP-20A22FI?
FWP-20A22FI: typical lead time 12-16 weeks. Submit a quote request for a firm quotation.
Data sources
- Part number
- FWP-20A22FI
- Brand
- Eaton Bussmann
- Last updated
- 2026-09-22
- Canonical URL
- https://fusestock.com/products/eaton-bussmann-fwp-20a22fi/
Technical Specifications
- Part Number
- FWP-20A22FI
- Manufacturer Part Number
- FWP-20A22FI
- Series
- FWP aR Series (22x58mm 700V Ferrule)
- Fuse Type
- High-Speed Ferrule Fuse
- Current Rating
- 20A
- Voltage Rating
- 700V AC/DC
- AC / DC
- AC/DC
- Breaking Capacity
- 200kA AC / 50kA DC
- I²t
- Pre-arcing 19 A²s; clearing 260 A²s
- Pre-arcing I²t
- 19
- Total I²t
- 260
- Package / Dimensions
- 22x58mm
- Mounting
- Fuse Holder
- Application
- DC Bus Protection · Motor Drives · Motor Starters · Power conversion · Rectifiers
- Terminal Type
- Ferrule + Striker
- Fuse Speed
- High Speed
- Utilization Class
- aR
- Approvals
- CE
- Certifications
- CE
- Reference Lead Time
- 12-16 weeks
- Source
- Bussmann Full Line Catalog 1007 (2018), page 4-30. Catalog watts loss at rated current: 5 W.
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