Page 138 - Ferraz semiconductor DIN

Semiconductor fuses
Semiconductor (AC) fuses

Protistor Square-body Fuses
®
PSC gR sizes 7x - 690 VAC
Curves set

Times/Current Characteristics

Size 70 Size 71
t(s)
t (s)
4
4 10
10
a = 130 a = 130
B1 = 1,25 125 160 200 250 315 350 400 450 500 B1 = 1,25
3 50 63 80 100 125 160 200 250 315 350 10 3
10 A2 = 0,7 A2 = 0,7
B2 = 0,6 B2 = 0,6
Cf3 = 0,8 Cf3 = 0,8
2
10
2
10
10 -1 10
1
1

10 -1 0 -1

-2
-2 10
10
-3
-3 10
10
-4 -4
10 2 3 10 10 2 10 3 10 4
10 10 10
I(A)
I(A)
Size 72 Size 73
t(s) t(s)
4 10 4
10
a = 130 a = 130
200 250 315 350 400 450 500 550 630 700 B1 = 1,25 3 315 350 400 450 500 550 630 700 800 900 1000 B1 = 1,25
10 3 10
A2 = 0,7 A2 = 0,7
B2 = 0,6 B2 = 0,6
Cf3 = 0,8 Cf3 = 0,8
2
2 10
10
10 10

1
1

-1 0 -1
0

10 -2 10 -2

-3
-3 10
10
-4
-4 10
10 2 3 4 10 2 10 3 10 4
10 10 10
I(A) I(A)

SCAC118 12/04