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.

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Qty. RoHS ECAD Model Series
Product
Body Style
Current Rating
Voltage Rating AC
Voltage Rating DC
Interrupt Rating
Mounting Style
Termination Style
Fuse Type
Fuse Size / Group
Indicator Style
Packaging
Littelfuse Specialty Fuses 2A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 40 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 2 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 3A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 3 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 4A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 4 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 6A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 6 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 7A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 7 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 8A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 8 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 10A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 10 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 12A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 12 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 15A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 15 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 25A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 25 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 35A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 35 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 50A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 50 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 60A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 60 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 70A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 70 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 80A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 80 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 90A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 90 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 100A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 100 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 110A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 110 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 125A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 125 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 150A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 150 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 17.5A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 17.5 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 175A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 175 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 200A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 200 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 225A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 225 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 250A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 250 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk