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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Current Rating	Fuse Type	Voltage Rating DC	Interrupt Rating	Termination Style	Class	Indicator Style	Packaging	Resistance	Series
Industrial & Electrical Fuses 1000V 90A SOLAR FUSE SPFJ090.X Littelfuse 1: $178.769 16In Stock	Mfr. Part # SPFJ090.X Mouser Part # 576-SPFJ090.X	Littelfuse	Industrial & Electrical Fuses 1000V 90A SOLAR FUSE Learn More about Littelfuse spfj	Datasheet	16In Stock	$178.769 $139.023 $133.248	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: $400.588 130In Stock	Mfr. Part # SPFJ400.X Mouser Part # 576-SPFJ400.X	Littelfuse	Industrial & Electrical Fuses 1000V 400A SOLAR FUSE Learn More about Littelfuse spfj	Datasheet	130In Stock	$400.588 $337.621 $311.171 Quote 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 160A SOLAR FUSE SPFJ160.X Littelfuse 1: $213.058 330In Stock	Mfr. Part # SPFJ160.X Mouser Part # 576-SPFJ160.X	Littelfuse	Industrial & Electrical Fuses 1000V 160A SOLAR FUSE Learn More about Littelfuse spfj	Datasheet	330In Stock	$213.058 $179.362 $165.593 $137.376	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 70A SOLAR FUSE SPFJ070.X Littelfuse 1: $210.752 76In Stock	Mfr. Part # SPFJ070.X Mouser Part # 576-SPFJ070.X	Littelfuse	Industrial & Electrical Fuses 1000V 70A SOLAR FUSE Learn More about Littelfuse spfj	Datasheet	76In Stock	$210.752 $174.871 $161.224 $133.248	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 300A SOLAR FUSE SPFJ300.X Littelfuse 1: $400.215 35In Stock	Mfr. Part # SPFJ300.X Mouser Part # 576-SPFJ300.X	Littelfuse	Industrial & Electrical Fuses 1000V 300A SOLAR FUSE Learn More about Littelfuse spfj	Datasheet	35In Stock	$400.215 $331.615 $301.553 Quote 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: $396.197 13In Stock 12Expected 11/5/2026	Mfr. Part # SPFJ350.X Mouser Part # 576-SPFJ350.X	Littelfuse	Industrial & Electrical Fuses 1000V 350A SOLAR FUSE Learn More about Littelfuse spfj	Datasheet	13In Stock 12Expected 11/5/2026	$396.197 $328.310 $302.596 Quote 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: $210.917 93In Stock	Mfr. Part # SPFJ125.XXL Mouser Part # 576-SPFJ125.XXL	Littelfuse	Industrial & Electrical Fuses 1000VDC 125A PV Special Learn More about Littelfuse spfj	Datasheet	93In Stock	$210.917 $179.362 $165.593 $137.376	Min.: 1 Mult.: 1	Photovoltaic Fuses	125 A	Fast-Acting Fuses	1 kVDC		Bolt Down	Class gPV Fuses		Bulk		SPFJ
Industrial & Electrical Fuses 1000V 100A SOLAR FUSE SPFJ100.X Littelfuse 1: $210.214 3In Stock 59On Order	Mfr. Part # SPFJ100.X Mouser Part # 576-SPFJ100.X	Littelfuse	Industrial & Electrical Fuses 1000V 100A SOLAR FUSE Learn More about Littelfuse spfj	Datasheet	3In Stock 59On Order On Order Ship Dates Mfr. #: SPFJ100.X Stock: 3 Can Ship Immediately On Order: 4 Expected 10/22/2026 55 Expected 10/29/2026 Factory Lead-Time: 7 Weeks	$210.214 $174.871 $161.224 $133.259	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 250A SOLAR FUSE SPFJ250.X Littelfuse 1: $396.197 4In Stock 8Expected 10/13/2026	Mfr. Part # SPFJ250.X Mouser Part # 576-SPFJ250.X	Littelfuse	Industrial & Electrical Fuses 1000V 250A SOLAR FUSE Learn More about Littelfuse spfj	Datasheet	4In Stock 8Expected 10/13/2026	$396.197 $328.299 $302.585	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: $212.509 1In Stock 3Expected 11/5/2026	Mfr. Part # SPFJ125.X Mouser Part # 576-SPFJ125.X	Littelfuse	Industrial & Electrical Fuses 1000V 125A SOLAR FUSE Learn More about Littelfuse spfj	Datasheet	1In Stock 3Expected 11/5/2026	$212.509 $180.504 $166.417 $142.372	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 200A SOLAR FUSE SPFJ200.X Littelfuse 1: $200.223 54Expected 11/12/2026	Mfr. Part # SPFJ200.X Mouser Part # 576-SPFJ200.X	Littelfuse	Industrial & Electrical Fuses 1000V 200A SOLAR FUSE Learn More about Littelfuse spfj	Datasheet	54Expected 11/12/2026	$200.223 $174.476 $161.213 $133.248	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: $186.751 94Expected 11/12/2026	Mfr. Part # SPFJ200.XXL Mouser Part # 576-SPFJ200.XXL	Littelfuse	Industrial & Electrical Fuses 1000VDC 200A PV Special Learn More about Littelfuse spfj	Datasheet	94Expected 11/12/2026	$186.751 $169.480 $159.840 $133.248	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: $525.393 8Expected 11/5/2026	Mfr. Part # SPFJ450.X Mouser Part # 576-SPFJ450.X	Littelfuse	Industrial & Electrical Fuses 1000V 450A SOLAR FUSE Learn More about Littelfuse spfj	Datasheet	8Expected 11/5/2026	$525.393 $447.504 $412.369	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 1000V 80A SOLAR FUSE SPFJ080.X Littelfuse 1: $210.917 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 about Littelfuse spfj	Datasheet	Non-Stocked Lead-Time 15 Weeks	$210.917 $174.860 $161.213 $133.248	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
Industrial & Electrical Fuses 1000VDC 160A PV Special SPFJ160.XXL Littelfuse 1: $187.289 Non-Stocked Lead-Time 15 Weeks	Mfr. Part # SPFJ160.XXL Mouser Part # 576-SPFJ160.XXL	Littelfuse	Industrial & Electrical Fuses 1000VDC 160A PV Special Learn More about Littelfuse spfj	Datasheet	Non-Stocked Lead-Time 15 Weeks	$187.289 $166.691 $157.403 $133.248	Min.: 1 Mult.: 1	Photovoltaic Fuses	160 A	Fast-Acting Fuses	1 kVDC		Bolt Down	Class gPV Fuses		Bulk		SPFJ

SPFJ Solar Fuses

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