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: 189
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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 50A 600VAC VDC FF L60S POWR-SPEED
Datasheet
10Factory Stock Available
More Info Available
Min.: 1
Mult.: 1
No
L60S Specialty Fuses Cartridge Fuses 50 A 600 VAC 200 kA at 600 VAC Holder Clip Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 60A 600VAC VDC FF L60S POWR-SPEED
Datasheet
9Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

L60S Specialty Fuses Cartridge Fuses 60 A 600 VAC 200 kA at 600 VAC Holder Clip Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 70A 600VAC VDC FF L60S POWR-SPEED
Datasheet
4Factory Stock Available
More Info Available
Min.: 1
Mult.: 1
No
L60S Specialty Fuses Cartridge Fuses 70 A 600 VAC 200 kA at 600 VAC Holder Clip Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 150A 600VAC VDC FF L60S POWR-SPEED
Datasheet
1Factory Stock Available
More Info Available
Min.: 1
Mult.: 1
No
L60S Specialty Fuses Cartridge Fuses 150 A 600 VAC 200 kA at 600 VAC Holder Clip Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 225A 600VAC VDC FF L60S POWR-SPEED
Datasheet
3Factory Stock Available
More Info Available
Min.: 1
Mult.: 1
No
L60S Specialty Fuses Cartridge Fuses 225 A 600 VAC 200 kA at 600 VAC Holder Clip Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 400A 600VAC VDC FF L60S POWR-SPEED
Datasheet
4Factory Stock Available
More Info Available
Min.: 1
Mult.: 1
No
L60S Specialty Fuses Cartridge Fuses 400 A 600 VAC 200 kA at 600 VAC Holder Clip Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 500A 600VAC VDC FF L60S POWR-SPEED
Datasheet
8Factory Stock Available
More Info Available
Min.: 1
Mult.: 1
No
L60S Specialty Fuses Cartridge Fuses 500 A 600 VAC 200 kA at 600 VAC Holder Clip Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 600A 600VAC VDC FF L60S POWR-SPEED
Datasheet
1Factory Stock Available
More Info Available
Min.: 1
Mult.: 1
No
L60S Specialty Fuses Cartridge Fuses 600 A 600 VAC 200 kA at 600 VAC Holder Clip Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 30A 700VAC 650VDC FF L70S POWR-SPEED
Datasheet
54Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

L70S Specialty Fuses Round Body Blade Fuses 30 A 700 VAC 650 VDC 20 kA at 650 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 175A 700VAC 650VDC FF L70S POWR-SPEED
Datasheet
14Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

L70S Specialty Fuses Round Body Blade Fuses 175 A 700 VAC 650 VDC 20 kA at 650 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 250A 700VAC 650VDC FF L70S POWR-SPEED
Datasheet
19Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

L70S Specialty Fuses Round Body Blade Fuses 250 A 700 VAC 650 VDC 20 kA at 650 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 400A 700VAC 650VDC FF L70S POWR-SPEED
Datasheet
12Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

L70S Specialty Fuses Round Body Blade Fuses 400 A 700 VAC 650 VDC 20 kA at 650 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 450A 700VAC 650VDC FF L70S POWR-SPEED
Datasheet
11Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

L70S Specialty Fuses Round Body Blade Fuses 450 A 700 VAC 650 VDC 20 kA at 650 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 600A 700VAC 650VDC FF L70S POWR-SPEED
Datasheet
12Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

L70S Specialty Fuses Round Body Blade Fuses 600 A 700 VAC 650 VDC 20 kA at 650 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 700A 700VAC 650VDC FF L70S POWR-SPEED
Datasheet
17Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

L70S Specialty Fuses Round Body Blade Fuses 700 A 700 VAC 650 VDC 20 kA at 650 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 400A 500VAC 450VDC FF L50S POWR-SPEED
Datasheet
1Stock Available
More Info Available
Min.: 1
Mult.: 1

L50S Specialty Fuses Round Body Blade Fuses 400 A 500 VAC 450 VDC 20 kA at 450 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 25A 250VAC 250VDC FF L25S POWR-SPEED
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1
Mult.: 1

L25S Specialty Fuses Round Body Blade Fuses 25 A 250 VAC 250 VDC 20 kA at 250 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 150A 250VAC 250VDC FF L25S POWR-SPEED
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

L25S Specialty Fuses Round Body Blade Fuses 150 A 250 VAC 250 VDC 20 kA at 250 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 275A 250VAC 200VDC FF L25S POWR-SPEED
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

L25S Specialty Fuses Round Body Blade Fuses 275 A 250 VAC 200 VDC 20 kA at 200 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 700A 250VAC 200VDC FF L25S POWR-SPEED
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

L25S Specialty Fuses Round Body Blade Fuses 700 A 250 VAC 200 VDC 20 kA at 200 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 800A 250VAC 200VDC FF L25S POWR-SPEED
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

L25S Specialty Fuses Round Body Blade Fuses 800 A 250 VAC 200 VDC 20 kA at 200 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 125A 600VAC VDC FF L60S POWR-SPEED
Datasheet
Non-Stocked Lead-Time 23 Weeks
Min.: 1
Mult.: 1

L60S Specialty Fuses Cartridge Fuses 125 A 600 VAC 200 kA at 600 VAC Holder Clip Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 80A 700VAC 650VDC FF L70S POWR-SPEED
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 1
Mult.: 1

L70S Specialty Fuses Round Body Blade Fuses 80 A 700 VAC 650 VDC 20 kA at 650 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 800A 700VAC 650VDC FF L70S POWR-SPEED
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1
Mult.: 1

L70S Specialty Fuses Round Body Blade Fuses 800 A 700 VAC 650 VDC 20 kA at 650 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 1A 600VAC VDC FF KLC POWR-SPEED
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

KLC Specialty Fuses Cartridge Blade Fuses 1 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk