0615 BU-SB13736 Page 3 of 3 Data Sheet # 1027
Limitron™ Class J
The only controlled copy of this Data Sheet is the electronic read-only version located on the Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This bulletin is intended
to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right, without notice, to change design or construction
of any products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product
has been selected, it should be tested by the user in all possible applications.
C
urrent-Limitation Curves
1000
2000
3000
4000
5000
6000
8000
10,000
20,000
30,000
40,000
50,000
60,000
80,000
100,000
200,000
400,000
300,000
200,000
1
00,000
80,000
60,000
40,000
30,000
20,000
10,000
8000
6000
4
000
3000
2000
1000
5
000
50,000
B
A
6
00
4
00
200
AMP RATING
1
00
RMS SYMMETRICAL CURRENT IN AMPS
A-B = ASYMMETRICAL AVAILABLE PEAK (2.3 X SYM RMS AMPS)
INSTANTANEOUS PEAK-LET-THROUGH CURRENT IN AMPS
JKS — 600Vac, 70-600A, Fast-Acting Fuses
Current-Limiting Effects
Prosp. Let-Through Current
S.C.C. (Apparent RMS Symmetrical Vs. Fuse Rating)
— 100A 200A 400A 600A
5000 2000 3000 4000 5000
10,000 3000 4000 6000 9000
15,000 3000 4000 7000 10,000
20,000 3000 5000 8000 11,000
25,000 3000 6000 9000 12,000
30,000 3000 6000 9000 13,000
35,000 4000 6000 9000 13,000
40,000 4000 7000 10,000 14,000
50,000 4000 7000 10,000 15,000
60,000 5000 7000 11,000 16,000
70,000 5000 8000 11,000 17,000
80,000 5000 8000 12,000 17,000
90,000 6000 9000 13,000 18,000
100,000 6000 9000 13,000 18,000
150,000 6000 9000 14,000 22,000
200,000 7000 10,000 16,000 24,000
