Rev: 071315

littelfuse.com

3 of 3

Electrical Specification —

Agency Requirements

-60°C

-40°C

-20°C

0°C

20°C

40°C

60°C

80°C

100°C

120°C

140°C

-76°F

-40°F

-4°F

32°F

68°F

104°F

140°F

176°F

212°F

248°F

284°F

AMBIENT TEMPERATURE

60

40

20

0

0

20

40

60

Temperature Rerating Curve

(Temperature of Air Immediately Surrounding Fuse)

OPENING TIME (MINUTES)

100% of

Amp Rating

per UL

113% of

Amp Rating

per IEC

135% of

Amp Rating

per UL

145% of

Amp Rating

per IEC

200% of

Amp Rating

per UL

6-30 Temperature

Stabilization

60 Min

60 Max

60 Max

4 Max

1000

900

800

700

600

500

400

300

200

100

90

80

70

60

50

40

30

20

10

9

8

7

6

5

4

3

2

1

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0.09

0.08

0.07

0.06

0.05

0.04

0.03

0.02

0.01

1000

900

800

700

600

500

400

300

200

100

90

80

70

60

50

40

30

20

10

9

8

7

6

5

4

3

2

1

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0.09

0.08

0.07

0.06

0.05

0.04

0.03

0.02

0.01

CURRENT IN AMPERES

12 A

10 A

8 A

6 A

1000

900

800

700

600

500

1000

900

800

700

600

500

500

400

300

200

100

90

80

70

500

400

300

200

100

90

80

70

- 15A

60

50

40

30

20

10

9

60

50

40

30

20

10

9

- 15A

- 20A

- 25A

- 30A

9

8

7

6

5

4

3

2

9

8

7

6

5

4

3

2

1

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

1

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0.09

0.08

0.07

0.06

0.05

0.04

0.03

0.1

0.09

0.08

0.07

0.06

0.05

0.04

0.03

0.02

0.01

0.02

0.01

CURRENT IN AMPERES

BASIS FOR DATA:

TEST VOLTAGE: 1500V

TIME CONSTANT/POWER FACTOR:

FUSE CATALOG NUMBER:

DRAWN BY:

DATE:

REVISION:

DRAWING NO.:

SHEET

TIME CURRENT CHARACTERISTIC CURVES

LITTELFUSE, INC.

CHICAGO, IL. USA

LLL

07/10/2015

3 OF 3

FCC01-SPXV

SPXV 15A - 30A

- DATA GENERATED IN EXCEL -

Time Current Curve (6-12 A)

Time Current Curve (15-30 A)

SPXV SERIES SOLAR FUSE