Industrial & Electrical Fuses

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SPFJ Solar Fuses

Littelfuse SPFJ Solar Fuses are part of the POWR-GARD® portfolio and are ultra-small 1000V_DC photovoltaic fuses available in 70A to 450A. The series is manufactured in Class J case sizes that allow for both fuse holder and busbar mounting configuration. The SPFJ meets both UL and IEC requirements. Littelfuse SPFJ Solar Fuses are suitable for use in inverters, re-combiner boxes, DC cable protection, and EV off-board charging.

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Part #

Industrial & Electrical Fuses 1000V 90A SOLAR FUSE

SPFJ090.X
Littelfuse
1: ¥28,881.5
16In Stock

Mfr. Part #
SPFJ090.X

Mouser Part #
576-SPFJ090.X

Littelfuse

Industrial & Electrical Fuses 1000V 90A SOLAR FUSE

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Datasheet

16In Stock

¥28,881.5

¥23,830.4

¥21,900.3

¥20,157.9

Min.: 1
Mult.: 1

Photovoltaic Fuses

90 A

Fast-Acting Fuses

1 kVDC

20 kA

Bolt Down

Class gPV Fuses

Without Indicator

Bulk

1.436 mOhms

SPFJ

Industrial & Electrical Fuses 1000V 400A SOLAR FUSE

SPFJ400.X
Littelfuse
1: ¥58,703.1
127In Stock
13On Order

Mfr. Part #
SPFJ400.X

Mouser Part #
576-SPFJ400.X

Littelfuse

Industrial & Electrical Fuses 1000V 400A SOLAR FUSE

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Datasheet

127In Stock

13On Order

¥58,703.1

¥51,725.2

¥48,017.8

Quote

Min.: 1
Mult.: 1

Photovoltaic Fuses

400 A

Fast-Acting Fuses

1 kVDC

200 kA

Bolt Down

Class gPV Fuses

Without Indicator

Bulk

236 mOhms

SPFJ

Industrial & Electrical Fuses 1000V 70A SOLAR FUSE

SPFJ070.X
Littelfuse
1: ¥31,909.5
30In Stock
52Expected 10/26/2026

Mfr. Part #
SPFJ070.X

Mouser Part #
576-SPFJ070.X

Littelfuse

Industrial & Electrical Fuses 1000V 70A SOLAR FUSE

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Datasheet

30In Stock

52Expected 10/26/2026

¥31,909.5

¥26,454.7

¥24,390.1

¥20,699.4

Min.: 1
Mult.: 1

Photovoltaic Fuses

70 A

Fast-Acting Fuses

1 kVDC

20 kA

Bolt Down

Class gPV Fuses

Without Indicator

Bulk

1.924 mOhms

SPFJ

Industrial & Electrical Fuses 1000V 100A SOLAR FUSE

SPFJ100.X
Littelfuse
1: ¥31,534.1
43In Stock
4Expected 9/17/2026

Mfr. Part #
SPFJ100.X

Mouser Part #
576-SPFJ100.X

Littelfuse

Industrial & Electrical Fuses 1000V 100A SOLAR FUSE

Learn More

Datasheet

43In Stock

4Expected 9/17/2026

¥31,534.1

¥26,454.7

¥24,390.1

¥20,159.6

Min.: 1
Mult.: 1

Photovoltaic Fuses

100 A

Fast-Acting Fuses

1 kVDC

20 kA

Bolt Down

Class gPV Fuses

Without Indicator

Bulk

1.243 mOhms

SPFJ

Industrial & Electrical Fuses 1000V 300A SOLAR FUSE

SPFJ300.X
Littelfuse
1: ¥59,938.8
9In Stock
26Expected 8/24/2026

Mfr. Part #
SPFJ300.X

Mouser Part #
576-SPFJ300.X

Littelfuse

Industrial & Electrical Fuses 1000V 300A SOLAR FUSE

Learn More

Datasheet

9In Stock

26Expected 8/24/2026

¥59,938.8

¥50,582.4

¥46,655.8

Quote

Min.: 1
Mult.: 1

Photovoltaic Fuses

300 A

Fast-Acting Fuses

1 kVDC

200 kA

Bolt Down

Class gPV Fuses

Without Indicator

Bulk

367 mOhms

SPFJ

Industrial & Electrical Fuses 1000V 350A SOLAR FUSE

SPFJ350.X
Littelfuse
1: ¥57,083.6
18In Stock

Mfr. Part #
SPFJ350.X

Mouser Part #
576-SPFJ350.X

Littelfuse

Industrial & Electrical Fuses 1000V 350A SOLAR FUSE

Learn More

Datasheet

18In Stock

¥57,083.6

¥47,302

¥43,596.3

Quote

Min.: 1
Mult.: 1

Photovoltaic Fuses

350 A

Fast-Acting Fuses

1 kVDC

200 kA

Bolt Down

Class gPV Fuses

Without Indicator

Bulk

285 mOhms

SPFJ

Industrial & Electrical Fuses 1000VDC 125A PV Special

SPFJ125.XXL
Littelfuse
1: ¥31,907.8
103In Stock

Mfr. Part #
SPFJ125.XXL

Mouser Part #
576-SPFJ125.XXL

Littelfuse

Industrial & Electrical Fuses 1000VDC 125A PV Special

Learn More

Datasheet

103In Stock

¥31,907.8

¥26,715.5

¥24,968.2

¥20,699.4

Min.: 1
Mult.: 1

Photovoltaic Fuses

125 A

Fast-Acting Fuses

1 kVDC

Bolt Down

Class gPV Fuses

Bulk

SPFJ

Industrial & Electrical Fuses 1000V 250A SOLAR FUSE

SPFJ250.X
Littelfuse
1: ¥58,452.3
1In Stock
11On Order

Mfr. Part #
SPFJ250.X

Mouser Part #
576-SPFJ250.X

Littelfuse

Industrial & Electrical Fuses 1000V 250A SOLAR FUSE

Learn More

Datasheet

1In Stock

11On Order

¥58,452.3

¥49,667.2

¥46,655.8

Quote

Min.: 1
Mult.: 1

Photovoltaic Fuses

250 A

Fast-Acting Fuses

1 kVDC

200 kA

Bolt Down

Class gPV Fuses

Without Indicator

Bulk

485 mOhms

SPFJ

Industrial & Electrical Fuses 1000V 125A SOLAR FUSE

SPFJ125.X
Littelfuse
1: ¥30,389.7
1In Stock
3Expected 10/1/2026

Mfr. Part #
SPFJ125.X

Mouser Part #
576-SPFJ125.X

Littelfuse

Industrial & Electrical Fuses 1000V 125A SOLAR FUSE

Learn More

Datasheet

1In Stock

3Expected 10/1/2026

¥30,389.7

¥25,194

¥23,227.4

¥20,395.4

Min.: 1
Mult.: 1

Photovoltaic Fuses

125 A

Fast-Acting Fuses

1 kVDC

200 kA

Bolt Down

Class gPV Fuses

Without Indicator

Bulk

964 mOhms

SPFJ

Industrial & Electrical Fuses 1000V 160A SOLAR FUSE

SPFJ160.X
Littelfuse
1: ¥29,886.4
322On Order

Mfr. Part #
SPFJ160.X

Mouser Part #
576-SPFJ160.X

Littelfuse

Industrial & Electrical Fuses 1000V 160A SOLAR FUSE

Learn More

Datasheet

322On Order

¥29,886.4

¥26,453.1

¥24,388.5

¥20,157.9

Min.: 1
Mult.: 1

Photovoltaic Fuses

160 A

Fast-Acting Fuses

1 kVDC

200 kA

Bolt Down

Class gPV Fuses

Without Indicator

Bulk

613 mOhms

SPFJ

Industrial & Electrical Fuses 1000V 200A SOLAR FUSE

SPFJ200.X
Littelfuse
1: ¥29,780.1
61On Order

Mfr. Part #
SPFJ200.X

Mouser Part #
576-SPFJ200.X

Littelfuse

Industrial & Electrical Fuses 1000V 200A SOLAR FUSE

Learn More

Datasheet

61On Order

¥29,780.1

¥26,453.1

¥24,390.1

¥20,159.6

Min.: 1
Mult.: 1

Photovoltaic Fuses

200 A

Fast-Acting Fuses

1 kVDC

200 kA

Bolt Down

Class gPV Fuses

Without Indicator

Bulk

460 mOhms

SPFJ

Industrial & Electrical Fuses 1000VDC 200A PV Special

SPFJ200.XXL
Littelfuse
1: ¥27,522.8
94Expected 9/10/2026

Mfr. Part #
SPFJ200.XXL

Mouser Part #
576-SPFJ200.XXL

Littelfuse

Industrial & Electrical Fuses 1000VDC 200A PV Special

Learn More

Datasheet

94Expected 9/10/2026

¥27,522.8

¥25,669.1

¥23,659.3

¥20,157.9

Min.: 1
Mult.: 1

Photovoltaic Fuses

200 A

Fast-Acting Fuses

1 kVDC

Bolt Down

Class gPV Fuses

Bulk

SPFJ

Industrial & Electrical Fuses 1000V 450A SOLAR FUSE

SPFJ450.X
Littelfuse
1: ¥75,445.9
8Expected 9/3/2026

Mfr. Part #
SPFJ450.X

Mouser Part #
576-SPFJ450.X

Littelfuse

Industrial & Electrical Fuses 1000V 450A SOLAR FUSE

Learn More

Datasheet

8Expected 9/3/2026

¥75,445.9

¥67,699

¥62,383.8

Min.: 1
Mult.: 1

Photovoltaic Fuses

450 A

Fast-Acting Fuses

1 kVDC

200 kA

Bolt Down

Class gPV Fuses

Without Indicator

Bulk

187 mOhms

SPFJ

Industrial & Electrical Fuses 1000VDC 160A PV Special

SPFJ160.XXL
Littelfuse
1: ¥27,247
31Factory Stock Available

Mfr. Part #
SPFJ160.XXL

Mouser Part #
576-SPFJ160.XXL

Littelfuse

Industrial & Electrical Fuses 1000VDC 160A PV Special

Learn More

Datasheet

31Factory Stock Available

More Info Available

¥27,247

¥24,958.2

¥23,443.4

¥20,157.9

Min.: 1
Mult.: 1

Photovoltaic Fuses

160 A

Fast-Acting Fuses

1 kVDC

Bolt Down

Class gPV Fuses

Bulk

SPFJ

Industrial & Electrical Fuses 1000V 80A SOLAR FUSE

SPFJ080.X
Littelfuse
1: ¥31,907.8
Non-Stocked Lead-Time 15 Weeks

Mfr. Part #
SPFJ080.X

Mouser Part #
576-SPFJ080.X

Littelfuse

Industrial & Electrical Fuses 1000V 80A SOLAR FUSE

Learn More

Datasheet

Non-Stocked Lead-Time 15 Weeks

¥31,907.8

¥26,453.1

¥24,388.5

¥20,157.9

Min.: 1
Mult.: 1

Photovoltaic Fuses

80 A

Fast-Acting Fuses

1 kVDC

20 kA

Bolt Down

Class gPV Fuses

Without Indicator

Bulk

1.7 mOhms

SPFJ