Eaton Bussmann FWC-25A10F — High‑Speed Cylindrical Fuse (10 × 38 mm, 25 A)

Compact ferrule (10 × 38 mm) high‑speed fuse for semiconductor and power‑electronics protection. Ceramic body, ferrule‑end terminations, utilization category aR.

Key specifications

• Manufacturer / Series: Eaton — Bussmann FWC
• Part number (SKU): FWC-25A10F
• Fuse type: High‑speed (FWC‑A10F)
• Amperage rating: 25 A
• Fuse size / construction: 10 × 38 mm; ceramic body; white color
• Terminations: Ferrule end × ferrule end (cylindrical/ferrule)
• Rated voltage: 600 V AC; 700 V DC
• Utilization category / class: aR (semiconductor protection) / Class aR
• Breaking capacity (AC): 200 kA (at nominal AC)
• Clearing (I2t): 390
• Pre‑arc (I2t): 60
• Watt losses: 6 W
• Frequency rating: 45 – 62 Hz
• Dimensions: length 38 mm; diameter ≈11 mm
• Weight: 8.8 g
• Connection / mounting: used with finger‑safe holders/blocks and striker; compatible with modular fuse holders (BMM, CHM)
• Material: ceramic
• Packaging: standard

Applications

• Semiconductor protection (thyristors, IGBTs)
• DC common bus protection
• DC drives, power converters and rectifiers

Compliance & documentation

• CE marked; RoHS compliant
• UL recognized; CSA certified
• Eaton technical datasheet: FWC series (see Eaton product page and datasheet 720011 for time‑current curves, installation and full electrical ratings)

Ordering identifiers

• UPC: 051712796477
• EAN: 5027590420600

For detailed curves and application guidance, consult Eaton’s FWC datasheet (Part no. 720011) on Eaton.com.