0713

BU-SB13737

Page 3 of 3

Data Sheet # 1029

The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper 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. Cooper Bussmann reserves the right, without notice, to change

design or construction of any products and to discontinue or limit distribution of any products. Cooper 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.

Custom Designs

Printed circuit board versions available up to 60 amps.

Consult factory for details.

UL Component Recognized, Guide JFHR2, File E56412.

Dimensions - in

Current-Limitation Curves

47.88

(1.885)

19.05 ± 0.76

(0.750 ± 0.03)

20.19 ± 0.76

(0.795 ± .03)

12.70

(0.500)

8.23

(0.324)

5.08

(0.200)MIN.

1.562"

1.432" (± 0.03)

0.806"

0.150"

(+ 0.02 – 0.0)

0.806"

(± 0.02)

JJS — 600Vac, 1-800A, Fast-Acting Fuses

The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper 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. Cooper Bussmann reserves the right, without notice, to change

design or construction of any products and to discontinue or limit distribution of any products. Cooper 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.

800

100,000

80,000

60,000

40,000

30,000

20,000

10,000

8,000

6,000

4,000

3,000

2,000

1,000

600

400

300

200

200,000

400,000

300,000

600

400

200

100

60

30

800

15

B

A

PROSPECTIVE SHORT-CIRCUIT CURRENT–SYMMETRICAL RMS AMPS

JJS-(1-30)V

JJS-(35-60)V

Current-Limiting Effects

Prosp.

Let-Through Current

S.C.C.

(Apparent RMS Symmetrical Vs. Fuse Rating)

15A

30A

60A

100A

200A

400A

600A

800A

500 1000 1000

1000

1000

1000

1000

1000

1000

1000 1000 1000

1000

1000

1000

1000

1000

1000

5000 1000 1000

1000

2000

3000

4000

5000

5000

10,000 1000 1000

1000

2000

3000

6000

8000

9000

15,000 1000 1000

2000

3000

4000

7000

10,000 11,000

20,000 1000 1000

2000

3000

4000

7000

10,000 12,000

25,000 1000 1000

2000

3000

5000

7000

11,000 13,000

30,000 1000 1000

2000

3000

5000

8000

12,000 14,000

35,000 1000 1000

2000

3000

5000

9000

13,000 15,000

40,000 1000 2000

2000

4000

5000

9000

13,000 15,000

50,000 1000 2000

2000

4000

6000 10000

14,000 17,000

60,000 1000 2000

3000

4000

6000 10000

16,000 18,000

70,000 1000 2000

3000

4000

7000 11000

17,000 19,000

80,000 1000 2000

3000

4000

7000 11000

17,000 20,000

90,000 1000 2000

3000

4000

7000 12000

18,000 21,000

100,000 2000 2000

3000

5000

7000 12,000

19,000 22,000

150,000 2000 3000

4000

6000

8000 14,000

22,000 25,000

200,000 2000 3000

4000

6000

9000 16,000

24,000 28,000