Fuse ufast aR 1000VAC/750VDC 450A 1 end cont.BKN75 M8 K-ind

CB170M4957

High speed square body fuse for protection of semiconductor relays, softstarters, AC variable speed drives, rectifiers etc. Since semiconductors have low thermal capacity, the protective device must react very fast. Class aR, short-circuit protection only. We help you with selection and sizing.

Pack size: 3/package
In stock (0 pcs)
Estimated delivery time, if not in stock: 28 days

Rated voltage
IEC 1000VAC/UL 1000VAC, 750VDC
Rated current
450A
Utilization class
aR
Breaking capacity
125kA AC/50kA DC
Size
1
I²t, pre-arc/total
44500/265000 A²s vid 1000VAC
Power loss
80W
Open fuse indicator
K-indicator
Fixing style
BKN75 flush end contact, M8 thread
DC data
Contact CHS Controls for additional DC data
Weight, each
0,63kg
Manufacturer's part number
170M4957



Square body fuses size 1