Fast-Acting High-Speed Fuses

Littelfuse Fast-Acting High-Speed Fuses are designed to protect equipment and systems. These fast-acting fuses feature Littelfuse-developed technology that sets standards for accuracy, consistent quality, reliability, and predictable performance. Littelfuse Fast-Acting High-Speed Fuses are optimized for performance and efficiency to better protect critical power semiconductors against short circuits.

Results: 39
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (CLP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Current Rating
Voltage Rating AC
Fuse Type
Interrupt Rating
Termination Style
Class
Indicator Style
Packaging
Series
Littelfuse Industrial & Electrical Fuses 150A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 150 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 17.5A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 17.5 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 175A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 175 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 200A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 200 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 225A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 225 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 250A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 250 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 300A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 300 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 350A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 350 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 400A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 400 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 450A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 450 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 500A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 500 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 600A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 600 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 700A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 700 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 800A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 800 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC