Fuse ufast aR 1000VAC 400A 1* end cont.BKN75 M8 K-ind

CB170M3961

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: 4/package
In stock (0 pcs)
Estimated delivery time, if not in stock: 35 days

Rated voltage
1000VAC
Rated current
400A
Utilization class
aR
Breaking capacity
125kA
Size
1*
I²t, pre-arc/total
42000/250000 A²s at 1000VAC
Power loss
75W
Open fuse indicator
K-indicator
Fixing style
BKN75 flush end contact, M8 thread
DC data
Contact CHS Controls for DC applications
Weight, each
0,395kg
Manufacturer's part number
170M3961



Square body fuses size 1*