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Fuse ufast aR 700VAC/DC 450A blade cc106-145mm

CBFWP-450A

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: 42 days

Rated voltage
700VAC/DC
Rated current
450A
Utilization class
aR
Breaking capacity
200kA AC/50kA DC
Size
Contact blade L180mm/cc106-145mm
I²t, pre-arc/total
36400/137000 A²s at 700VAC
Power loss
94W
UL approval
UL recognized JFHR2, file E91958
CSA approval
CSA comp. Class1422-30, file 57787
Weight, each
1kg
Manufacturer's part number
FWP-450A

Fuse block 1P 700V 700A modular IP00
Fuse block 1P 700V 700A modular IP00
CBBH-3144
Pack: 1 pcs
Info

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.