Page 320 - Ferraz semiconductor DIN
P. 320
Semiconductor fuses
Semiconductor (AC) fuses
®
Other Protistor Fuses
Ferrule Fuses
10x38 URB/URD - 500 to 600 VAC
Electrical characteristics
Time vs current characteristics
WITHOUT BLOWN FUSE INDICATOR
WITH TRIP INDICATOR
a = 130 A2 = 0,6 a = 130 A2 = 0,6
B1 = 1,25 B2 = 0,6 B1 = 1,25 B2 = 0,6
Cf3 = 0,8 Cf3 = 0,8
10 100
These curves indicate, for each rated current, pre-arcing time vs. R.M.S. pre-arcing current.
Tolerance for mean pre-arcing current ± 10%
WITH TRIP INDICATOR WITH TRIP INDICATOR
a = 130 A2 = 0,6 a = 130 A2 = 0,6
B1 = 1,25 B2 = 0,6 B1 = 1,25 B2 = 0,6
Cf3 = 0,8 Cf3 = 0,8
These curves indicate, for each rated current, pre-arcing time vs. R.M.S. pre-arcing current.
as a multiple of current rating.
SCAC172 12/04
