- Specification
- Datasheet download
FWH-45B is a 45 A, 500 V a.c. / 500 V d.c. high speed fuse link with bolted tags, 200 kA breaking capacity and 105 A²s pre-arcing I²t. Power loss at rated current is 7.5 W. Clearing I²t is 450 A²s. It is used for protection of power semiconductors, rectifiers and power converters.
| Specifications | |
| Catalog Number | FWH-45B |
| Series | Bussmann series FWH |
| Product Type | High speed fuse link (bolted tag) |
| Rated Voltage AC | 500 V a.c. (UL) |
| Rated Voltage DC | 500 V d.c. |
| Rated Current | 45 A |
| Breaking Capacity | 200 kA (a.c.), 50 kA (d.c.) |
| Pre-arcing I²t | 105 A²s |
| Clearing I²t | 450 A²s |
| Power Loss at Rated Current | 7.5 W |
| Size | Bolted tag |
| Standards | UL Recognized (JFHR2), IEC 60269-4 |
| Application | Protection of power semiconductors, rectifiers and power converters |
| Dimensions |  Full size drawing ↓ |
Dimensions
Bussmann Fuse, Semiconductor Fuse, Time Delay Fuse, High Speed Fuse, Class J Fuse, Class T Fuse, Class cc fuse, Class RK1 Fuse, Class RK5 Fuse, Class L Fuse, DC Contactor, Disconnect Switch, Car Fuse, Current Limiting Fuse, HV Fuse, Bussmann Fuse Holder, AC Fuse, DC Fuse
You can ask any Bussmann fuse and fuse cross reference(Littelfuse, Mersen, etc).
TAG: FWH-45B Bussmann FWH High Speed Fuse Bolted Tag 45A
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