Page 4 - Ferraz semiconductor UL

Semiconductor (A) fuses
Semiconductor (AC) fuses

American Round Fuses

Form 101 Range
A15QS

Semiconductor Protection Fuses

Watts Loss @ Rated Current Watts Loss vs % Rated Current

1.0
Watts Loss @ Watts Loss @
Ampere Ampere
Rated Current (W) Rated Current (W)
Rating Rating
Type 2 Type 1 Type 4 Type 4 Type 128
1 0.68 100 10 .8
2 1.3 125 13
3 1.7 130 14
4 2.1 150 16 .6
5 2.8 175 20
6 3.1 200 22
7 2.2 225 25 CORRECTION FACTOR FOR WATTS LOSS
8 2.5 250 27 .4
10 2.6 275 30
12 3.0 300 33
15 3.0 350 40
20 4.0 400 45 .2
25 5.2 450 50
30 5.6 500 30
35 9 550 33
40 10 600 35 50 60 70 80 90 100
45 12 700 50
50 13 750 66 PERCENT RATED CURRENT
60 14 800 57 71
20 1.5 900 67
25 2.0 1000 75 88
30 2.2 1200 100
35 2.6 1500 130
40 3.1 1600 132
45 3.4 1800 149
50 4.0 2000 165
60 4.7 2500 195
70 5.6 3000 240
80 8.0 3500 260
90 9.0 4000 270

Max ARC Voltage vs System Voltage Peak Let Thru Data A15QS 1 to 4000

500

400
MAX PEAK ARC VOLTAGE 300 MAX INSTANTANEOUS LET -THRU I

200

100

0
0 50 100 150 200
CIRCUIT VOLTAGE (VOLTS RMS) AVAILABLE CURRENT (RMS SYMMETRICAL)
PERCENT RATED CURRENT

SCAC3
12/04