Fuse Data for Back-up
Eaton MEM S-Type HRC Fuselinks to BS 88: 1988 BS EN 60269
Pre-arcing and Total Let Through Energy

Fuse
Types

Rating
(Amperes)

415V Fuselinks

550V Fuselinks

I²t
Pre-Arcing

I²t Total
@ 415V

I²t
Pre-Arcing

I²t Total
@ 550V

SA2, SN2

2

2

4

2

5

4

10

21

10

27

6

34

74

34

95

10

188

408

188

525

16

92

412

92

672

20

155

690

155

1120

25

574

1810

-

*

32

826

2610

-

*

SB3

2

2

4

2

5

4

10

22

10

28

6

34

75

34

97

10

188

415

188

537

16

207

696

207

1032

20

367

1237

367

1835

25

621

2090

621

3102

32

1190

4006

1190

5947

SB4

40

2482

7019

2482

9842

50

3305

9345

3305

13104

63

5875

16612

5875

23296

SO

80

7800

26000

-

*

100

14000

46000

-

*

SD5, SF5

80

7800

26000

7436

29825

100

14000

75500

20655

82847

SD6, SF6

125

30000

75500

29743

133402

160

58500

145000

46474

208441

200

120000

300000

118973

533608

SF7, SG7

250

210000

530000

185895

675635

315

270000

680000

267689

972915

SF8, SH8

355

365000

915000

364354

1594874

400

480000

1200000

743580

3254846

SH9, SY9

450

755000

1900000

475891

1499588

500

1100000

2700000

846029

2665934

560

1200000

4000000

1070755

3374073

630

1550000

5150000

1903565

5998352

SH10, SY10

710

1903565

4306813

1903565

5616995

800

3820349

8643534

3820349

11272997

SP

16

90

300

-

*

20

205

680

-

*

25

575

1890

-

*

32

825

2720

-

*

40

1470

4840

-

*

50

3300

10900

-

*

63

5170

17000

-

*
* Maximum Rating 415 Volts.

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