Page 8 - Ferraz semiconductor BS88
P. 8
Semiconductor fuses
Semiconductor (AC) fuses
Other Protistor Fuses
®
BS88-4 Fuses
10x28, 17x27 - 250 VAC
Electrical characteristics
Times vs current characteristics
URE URGS URZ
* These curves indicate, for each rated current, * Tolerance for the mean pre-arcing current ± 10%
the pearcing time vs. the R.M.S. pre-arcing current.
Corrective factor - Peak arc voltage
URE
Corrective Peak arc
factor voltage
URGS
URZ
* The mean curves show the variation of the total This curve show the peak value Um of the arc voltage
clearing time (I 2 t and the total clearing duration t t which appears across the fuse link as a function of the
t)
operating voltage U @ cos ϕ = 0.15.
as a function of operating voltage U
SCAC204 12/04
