Cooper Bussmann offers the industry’s widest range of British style semiconductor fuses and accessories. Cooper Bussmann BS88 fuse are with Excellent DC performance. They are found in UPS applications at 240V or less.
BS88 fuses, such as: 100FE, etc.
50FE is a 50 A BS88 high speed fuse link (FE type) rated 690 V a.c. / 500 V d.c. with 200 kA breaking capacity, 103 A²s pre-arcing I²t and 11 W power loss. It protects power semiconductors, rectifiers, DC drives and reduced voltage starters.
| Specifications | |
| Catalog Number | 50FE |
| Series | Bussmann BS88 FE |
| Product Type | BS88 high speed fuse link (bolted tags) |
| Rated Voltage AC | 690 V a.c. (IEC) / 700 V a.c. (UL) |
| Rated Voltage DC | 500 V d.c. |
| Rated Current | 50 A |
| Breaking Capacity | 200 kA (a.c.) |
| Pre-arcing I²t | 103 A²s |
| Clearing I²t at 415 V / 660 V a.c. | 380 / 600 A²s |
| Power Loss at Rated Current | 11 W |
| Standards | BS88 part 4, IEC 60269-4, UL Recognized |
| Application | Protection of power semiconductors, rectifiers, DC drives and power converters |
| Dimensions | Full size drawing ↓ |
Dimensions

Cooper Bussmann offers the industry’s widest range of British style semiconductor fuses and accessories. Cooper Bussmann BS88 fuse are with Excellent DC performance. They are found in UPS applications at 240V or less.
BS88 fuses, such as: 100FE, etc.
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