Typical Time/Current & Cut-off Characteristics
Type S Fuses SB3 Range and above

I²t Characteristics

Rating
(Amperes)

I²t
Pre-arcing

I²t Total
@ 240 Volts

I²t Total
@ 415 Volts

2

2

3

4

4

10

15

22

6

34

53

75

10

188

291

415

16

207

405

696

20

367

720

1240

25

621

1220

2090

32

1190

2330

4010

40

2480

4420

7020

50

3310

5880

9350

63

5880

10500

16600

125

30000

51000

75500

160

58500

99000

145000

200

120000

205000

300000

250

210000

360000

530000

315

270000

460000

680000

355

365000

620000

915000

400

480000

820000

1200000

450

755000

1300000

1900000

500

1100000

1850000

2700000

560

1200000

2400000

4000000

630

1550000

3100000

5150000

710

3400000

5850000

8700000

800

4200000

7200000

10500000

Cut-off Characteristics

Typical Time/Current Characteristics

 

 SA2 Range
 SB3 - SH10 Range
 Type S Motor Circuit Range
 Type R Range
 Type LC Range
 

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