LPS-RK_SPI

Dual-Element, Time-Delay Fuses

70-600A

Class RK1 –– 600 Vac/300 Vdc

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 con-

tained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.

Form No. LPS-RK 70-600

Page 3 of 3

Data Sheet: 1064

8-26-04

SB04295

B

A

600A

400A

200A

100A

400,000

100,000

1,000

RMS SYMMETRICAL CURRENTS IN AMPERES

10,000

A-B=ASYMMETRICAL AVAILABLE PEAK (2.3 x SYMM RMS AMPS)

Current-Limitation Curves

Current-Limiting Effects

Prosp.

Let-Through Current (Apparent RMS

S.C.C.

Symmetrical) Versus Fuse Rating

100A

200A

400A

600A

5,000

2,200

3,250

5,000

5,000

10,000

2,700

4,100

7,150

9,600

15,000

3,050

4,650

7,950

10,650

20,000

3,300

5,100

8,650

11,500

25,000

3,500

5,500

9,200

12,200

30,000

3,700

5,800

9,650

12,750

35,000

3,900

6,100

10,100

13,300

40,000

4,050

6,400

10,450

13,750

50,000

4,300

6,850

11,100

14,600

60,000

4,550

7,250

11,700

15,300

80,000

4,950

7,950

12,650

16,450

100,000

5,250

8,550

13,450

17,450

150,000

5,900

9,750

15,050

19,400

200,000

6,450

10,700

16,300

20,900

250,000

6,850

11,500

17,350

22,100

300,000

7,250

12,200

18,250

23,200

*Values derived from curve data.