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 (USD) 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 30A 600VAC VDC FF KLC POWR-SPEED
Datasheet
14In Stock
Min.: 1
Mult.: 1
Semiconductor Fuses 30 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 20A 600VAC VDC FF KLC POWR-SPEED
Datasheet
6Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Semiconductor Fuses 20 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 40A 600VAC VDC FF KLC POWR-SPEED
Datasheet
16Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Semiconductor Fuses 40 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 45A 600VAC VDC FF KLC POWR-SPEED
Datasheet
5Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Semiconductor Fuses 45 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 1A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 38 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 1 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 2A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 40 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 2 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 3A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 38 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 3 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 4A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 38 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 4 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 5A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 38 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 5 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 6A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 38 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 6 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 7A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 38 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 7 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 8A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 38 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 8 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 10A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 38 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 10 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 12A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 38 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 12 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 15A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 15 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 25A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 25 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 35A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 35 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 50A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 50 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 60A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 60 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 70A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 70 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 80A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 80 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 90A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 90 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 100A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 100 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 110A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 110 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC
Littelfuse Industrial & Electrical Fuses 125A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 125 A 600 VAC Fast-Acting Fuses 200 kA Bolt Down Class aR Fuses Without Indicator Bulk KLC