Eaton Bussmann Series 80FE — High‑Speed British Standard (BS88) Fuse

Compact, high‑speed single‑barrel BS88 (FE) fuse designed for semiconductor protection in AC and DC power conversion systems. Engineered for high interrupting capacity and stud‑mount installations.

Key specifications

• Catalog number: 80FE
• Fuse type: FE (BS88 single‑barrel)
• Amperage rating: 80 A
• Rated voltage: 690 V AC (IEC) / 700 V AC (UL); 500 V DC
• Interrupt rating: 200 kA RMS Sym (AC); 50 kA @ 500 V DC
• Utilization category: aR (semiconductor protection)
• Rated switching capacity: 200 kA
• Clearing (I²t): 900 A²s @ 415 V; 1,500 A²s @ 660 V
• Pre‑arc (I²t): 250 A²s
• Watt losses: 20 W
• Fuse shape / connection: Single barrel with offset bolted tags; blade‑end × blade‑end
• Center‑to‑center distance: 61.8 mm; mounting stud M6
• Mounting method: Stud (bolted)
• Dimensions (L × W × H): 76 × 20 × 20 mm
• Weight: 41.4 g
• Compliance & standards: CE Marked, RoHS compliant; IEC rated, UL recognized; designed and tested to BS88 part 4 / IEC 60269‑4

Typical applications

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

Compatible Eaton accessories

• EC‑600 trip indicator kit
• TI700 fuse indicator
• MAI / MBI microswitch adapters

For detailed performance curves and installation guidance, refer to Eaton Bussmann high‑speed fuse datasheets and application guides.