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Semiconductor (A) fuses
Semiconductor (AC) fuses
American Round Fuses
Other American Fuses
A70QS
French Cylindrical
Semiconductor Protection Fuses
Melting Time-Current Data
A70QS6 TO 50 (14F, 14FI) A70QS50 TO 60 (14FI) A70QS25 TO 100 (22F, 22FI)
a = 130 B1 = 1,25 a = 130 B1 = 1,25 a = 130 B1 = 1,25
A2 = 0,6 B2 = 0,6 A2 = 0,6 B2 = 0,6 A2 = 0,6 B2 = 0,6
Cf3 = 0,8 Cf3 = 0,8 Cf3 = 0,8
These curves indicate, for each rated current, the pre-arcing (melting) time vs. the R.M.S. current.
Clearing I t vs. Operating Voltage Peak arc voltage vs. Operating Voltage
2
A70QS6 TO 60 (14F, 14FI) A70QS6 TO 60 (14F, 14FI)
CORRECTION FACTOR FOR I 2 T MAX PEAK ARC VOLTAGE
OPERATING VOLTAGE
OPERATING VOLTAGE
A70QS25 TO 100 (22F, 22FI)
A70QS25 TO 100 (22F, 22FI)
CORRECTION FACTOR FOR I 2 T MAX PEAK ARC VOLTAGE
OPERATING VOLTAGE OPERATING VOLTAGE
SCAC48 12/04
