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Eaton.com/bussmannseries

TechnicalData1018

Effective May 2016

Fusetron™ 600 V Class RK5

FRS-R — 600 Vac/300 Vdc, 65-600 A,

dual element, time-delay fuses

Recommended fuse blocks

Fuse amps

1-Pole

2-Pole

3-Pole

70-100

RM60100-1CR

RM60100-2CR

RM60100-3CR

110-200

RM60200-1CR

RM60200-2CR

RM60200-3CR

225-400

RM60400-1CR

RM60400-2CR

RM60400-3CR

450-600

RM60600-1CR

RM60600-2CR

RM60100-3CR

For additional information on the RM600 volt fuse blocks, see data sheet

No. 10489.

Fuse reducers for class R fuses

Equipment

fuse clips

Desired fuse

(case) size

Catalog numbers

(pairs) 600 V

200 A

100 A

NO.2621-R

400 A

100 A

NO.2641-R

200 A

NO.642-R

100 A

NO.2661-R

600 A

200 A

NO.2662-R

400 A

NO.2664-R†

†

Single reducer only (pair not required).

For additional information on Class R fuse reducers, see data

sheet No. 1118.

Prosp.

S.C.C.

Let-through current

(apparent RMS symmetrical vs. fuse rating)

100A

200A

400A

600A

5000

3000

4000

5000

5000

10,000

4000

5000

9000

10,000

15,000

4000

6000

10,000

14,000

20,000

5000

7000

11,000

15,000

25,000

5000

7000

12,000

17,000

30,000

5000

8000

13,000

18,000

35,000

5000

8000

13,000

18,000

40,000

6000

9000

14,000

19,000

50,000

6000

9000

14,000

20,000

60,000

6000

10,000

15,000

22,000

70,000

7000

11,000

17,000

23,000

80,000

7000

12,000

17,000

23,000

90,000

7000

12,000

17,000

24,000

100,000

8000

13,000

18,000

25,000

150,000

9000

14,000

21,000

27,000

200,000

9000

16,000

23,000

32,000

400000

9000

8000

7000

6000

300000

200000

100000

5000

4000

90000

3000

2000

1000

80000

70000

60000

B

A

50000

40000

30000

20000

10000

600A

400A

200A

100A

Prospective short-circuit current - symmetrical RMS amps

0.1

1

10

100

300

0.01

RMS symmetrical current in amps

Amp rating

Time-current curves - average melt

Current-Limitation curves

Current-limiting effects