Typical Time/Current & Cut-off Characteristics
Type R Fuses

I²t Characteristics

Rating
(Amperes)

I²t
Pre-arcing

I²t Total
@ 240 Volts

I²t Total
@ 415 Volts

15

92

210

382

20

207

472

860

25

368

839

1530

30

826

1880

3430

40

1470

3350

6100

45

2300

5230

9530

50

3310

7530

13700

60

9180

20900

38100

80

13200

30100

54900

100

15500

27500

42000

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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