Eaton Bussmann 80FE 80A 690V AC High-Speed Semiconductor Fuse

Description

The Eaton Bussmann 80FE is a high-speed fuse designed for semiconductor protection in industrial power systems. Its Class aR characteristic provides partial-range protection for semiconductor devices, helping limit the effects of short-circuit faults when correctly selected and coordinated with the rest of the protection system.

This British Standard-style fuse is designed for compatible industrial equipment, including power converters, DC drives, and rectifier assemblies.

Technical Specifications

– **Brand:** Eaton Bussmann
– **Model:** 80FE
– **Rated current:** 80A
– **Rated voltage:** 690V AC / 500V DC under IEC specifications
– **UL voltage rating:** 700V AC / 500V DC
– **Utilization category:** Class aR
– **Fuse type:** High-speed semiconductor fuse
– **Breaking capacity:** 200kA RMS symmetrical AC; 50kA at 500V DC
– **Terminal style:** Offset bolted tags
– **Mounting stud:** M6
– **Approximate dimensions:** 76 × 20 × 20mm
– **Standards:** Designed and tested to BS 88 Part 4 and IEC 60269-4

Typical Applications

The 80FE high-speed fuse is intended for suitable applications such as:

– Semiconductor device protection
– Industrial DC drives
– Power converters and rectifiers
– DC common-bus systems
– Industrial power electronics assemblies