Eaton.com/bussmannseries

LPN-RK — 250 Vac/dc, 70-600 A, dual element, time-delay fuses

Technical Data 1004

Effective August 2018

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The only controlled copy of this data sheet is the electronic read-only version located on the Eaton network drive. All other copies of this document are

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Eaton

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Eaton.com

Bussmann Division

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© 2018 Eaton

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Printed in USA

Publication No. 1004 — BU-SB13687

August 2018

Current-limitation curves

Current-limiting effects

Prosp.

S.C.C.

Let-through current (apparent RMS Sym. vs. fuse rating)

—

100 A

200 A

400 A

600 A

1000

1000

1000

1000

1000

2000

2000

2000

2000

2000

3000

2000

3000

3000

3000

5000

2000

3000

5000

5000

10,000

3000

4000

7000

9000

15,000

3000

5000

8000

11,000

20,000

3000

5000

8000

11,000

25,000

3000

5000

9000

12,000

30,000

4000

6000

9000

12,000

35,000

4000

6000

10,000

13,000

40,000

4000

6000

10,000

13,000

50,000

4000

7000

11,000

14,000

60,000

4000

7000

11,000

16,000

70,000

4000

7000

12,000

16,000

80,000

5000

8000

12,000

16,000

90,000

5000

7000

13,000

17,000

100,000

5000

8000

13,000

17,000

150,000

6000

9000

15,000

19,000

200,000

6000

11,000

16,000

20,000

250,000

7000

11,000

17,000

21,000

300,000

7000

12,000

18,000

22,000

B

600A

400A

200A

100A

RMS SYMMETRICAL CURRENT IN AMPS

A-B = ASYMMETRICAL AVAILABLE PEAK (2.3 X SYM RMS AMPS)

400,000

9000

8000

7000

6000

300,000

200,000

100,000

5000

4000

90,000

3000

2000

1000

80,000

70,000

60,000

50,000

40,000

30,000

20,000

10,000

A