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Fuse ufast aR 150VAC/80VDC 1000A blade cc49-65mm

CBFWA-1000A

High speed fuse for protection of semiconductor relays, softstarters, AC variable speed drives, rectifiers etc. Since semiconductor have low thermal capacity, the protective device must react very fast. Can be installed in compact fuse disconnectors. Class aR, short-circuit protection only.

Pack size: 1/package
In stock (0 pcs)
Estimated delivery time, if not in stock: 87 days

Rated voltage
150VAC/80VDC
Rated current
1000A
Utilization class
aR
Breaking capacity
200kA AC/100A DC
Size
Contact blade L88mm/cc49-65mm
I²t, pre-arc/total
170000/510000 A²s at 150VAC
Power loss
60W
UL approval
UL recognized JFHR2, file E91958
CSA approval
-
Weight, each
0,18kg
Manufacturer's part number
FWA-1000A

High speed fuses

For semiconductor protection. North American high speed fuses have normally a round body and contact blades for bolt-on fixing.

The fuses are normally UL and CSA approved as Application limited OCPD, ie only approved for specific applications according to NEC, National Electrical Code. One type of high speed fuse, approved for Branch circuit protection is available, see North American fuses class J.