Industrial & Electrical Fuses

.hide-partial { max-height: none; } .show-more { display: none; }

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 548

Applied Filters:

Series

Product

Current Rating

Voltage Rating AC

Voltage Rating DC

Interrupt Rating

Body Style

Mounting Style

Termination Style

Fuse Size/Group

Indicator Style

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Industrial & Electrical Fuses 500A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS500.X
Littelfuse
1: $323.15
11In Stock

Mfr. Part No.
L50QS500.X

Mouser Part No
576-L50QS500.X

Littelfuse

Industrial & Electrical Fuses 500A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

11In Stock

$323.15

$270.88

$245.64

$208.61

Min.: 1
Mult.: 1

L50QS

Specialty Fuses

500 A

500 VAC

Fast Blow

500 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

50.8 mm x 113.49 mm

Without Indicator

Bulk

Industrial & Electrical Fuses 200A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS200.V
Littelfuse
1: $257.66
69In Stock

Mfr. Part No.
L70QS200.V

Mouser Part No
576-L70QS200.V

Littelfuse

Industrial & Electrical Fuses 200A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

69In Stock

$257.66

$213.64

$201.72

$167.37

Min.: 1
Mult.: 1

L70QS

Specialty Fuses

200 A

700 VAC

Fast Blow

700 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

Without Indicator

Bulk

Industrial & Electrical Fuses 600A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS600.X
Littelfuse
1: $582.41
20In Stock

Mfr. Part No.
L70QS600.X

Mouser Part No
576-L70QS600.X

Littelfuse

Industrial & Electrical Fuses 600A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

20In Stock

$582.41

$488.99

$442.10

Min.: 1
Mult.: 1

L70QS

Specialty Fuses

600 A

700 VAC

Fast Blow

700 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

Without Indicator

Bulk

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 200A

PSR070UL0200Z
Littelfuse
1: $594.98
9In Stock
9Expected 1/6/2026

Mfr. Part No.
PSR070UL0200Z

Mouser Part No
576-PSR070UL0200Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 200A

Learn More

Datasheet

9In Stock

9Expected 1/6/2026

$594.98

$482.54

$444.63

Quote

Min.: 1
Mult.: 1

PSR

Specialty Fuses

200 A

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Bulk

Industrial & Electrical Fuses 35A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS035.T
Littelfuse
1: $76.92
65In Stock

Mfr. Part No.
L50QS035.T

Mouser Part No
576-L50QS035.T

Littelfuse

Industrial & Electrical Fuses 35A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

65In Stock

$76.92

$66.09

$61.48

$56.45

View

Min.: 1
Mult.: 1

L50QS

Specialty Fuses

35 A

500 VAC

Fast Blow

500 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

25.4 mm x 92.08 mm

Without Indicator

Bulk

Industrial & Electrical Fuses 80A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS080.V
Littelfuse
1: $182.81
53In Stock

Mfr. Part No.
L70QS080.V

Mouser Part No
576-L70QS080.V

Littelfuse

Industrial & Electrical Fuses 80A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

53In Stock

$182.81

$151.62

$144.52

$120.14

$106.42

Min.: 1
Mult.: 1

L70QS

Specialty Fuses

80 A

700 VAC

Fast Blow

700 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

Without Indicator

Bulk

Industrial & Electrical Fuses 500A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS500.X
Littelfuse
1: $592.71
6In Stock

Mfr. Part No.
L70QS500.X

Mouser Part No
576-L70QS500.X

Littelfuse

Industrial & Electrical Fuses 500A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

6In Stock

$592.71

$494.73

$452.74

Min.: 1
Mult.: 1

L70QS

Specialty Fuses

500 A

700 VAC

Fast Blow

700 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

Without Indicator

Bulk

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 DIN 110MM 50A

PSR070DL0050Z
Littelfuse
1: $538.22
31In Stock

Mfr. Part No.
PSR070DL0050Z

Mouser Part No
576-PSR070DL0050Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 DIN 110MM 50A

Learn More

Datasheet

31In Stock

$538.22

$445.19

$410.30

Quote

Min.: 1
Mult.: 1

PSR

Specialty Fuses

50 A

1.3 kVAC

Fast Blow

1 kVDC

100 kA, 150 kA

Square Body Blade Fuses

Screw

Blade / Boltdown

Visual Side Indicator

Bulk

Industrial & Electrical Fuses 900V FAST BLOW 350A

PSR070UL0350Z
Littelfuse
1: $677.76
6In Stock

Mfr. Part No.
PSR070UL0350Z

Mouser Part No
576-PSR070UL0350Z

Littelfuse

Industrial & Electrical Fuses 900V FAST BLOW 350A

Datasheet

6In Stock

$677.76

$549.54

$506.32

Quote

Min.: 1
Mult.: 1

PSR

Specialty Fuses

350 A

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Bulk

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 72 DIN 110MM 500A

PSR072DL0500X
Littelfuse
1: $772.99
5In Stock

Mfr. Part No.
PSR072DL0500X

Mouser Part No
576-PSR072DL0500X

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 72 DIN 110MM 500A

Learn More

Datasheet

5In Stock

$772.99

$657.54

$589.93

Min.: 1
Mult.: 1

PSR

Specialty Fuses

500 A

1.3 kVAC

Fast Blow

1 kVDC

100 kA, 150 kA

Square Body Blade Fuses

Screw

Blade / Boltdown

Visual Side Indicator

Bulk

Industrial & Electrical Fuses 80A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS080.T
Littelfuse
1: $98.09
14In Stock
12Expected 20/7/2026

Mfr. Part No.
L50QS080.T

Mouser Part No
576-L50QS080.T

Littelfuse

Industrial & Electrical Fuses 80A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

14In Stock

12Expected 20/7/2026

$98.09

$87.24

$80.76

$62.11

View

Min.: 1
Mult.: 1

L50QS

Specialty Fuses

80 A

500 VAC

Fast Blow

500 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

25.4 mm x 92.08 mm

Without Indicator

Bulk

Industrial & Electrical Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS150.V
Littelfuse
1: $137.53
4In Stock
40Expected 20/7/2026

Mfr. Part No.
L50QS150.V

Mouser Part No
576-L50QS150.V

Littelfuse

Industrial & Electrical Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

4In Stock

40Expected 20/7/2026

$137.53

$114.48

$105.78

$88.67

$81.63

Min.: 1
Mult.: 1

L50QS

Specialty Fuses

150 A

500 VAC

Fast Blow

500 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

30.94 mm x 92.08 mm

Without Indicator

Bulk

Industrial & Electrical Fuses 175A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS175.V
Littelfuse
1: $140.14
6In Stock

Mfr. Part No.
L50QS175.V

Mouser Part No
576-L50QS175.V

Littelfuse

Industrial & Electrical Fuses 175A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

6In Stock

$140.14

$116.20

$101.19

$88.67

$81.63

Min.: 1
Mult.: 1

L50QS

Specialty Fuses

175 A

500 VAC

Fast Blow

500 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

30.94 mm x 92.08 mm

Without Indicator

Bulk

Industrial & Electrical Fuses 450A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS450.X
Littelfuse
1: $330.42
4In Stock

Mfr. Part No.
L50QS450.X

Mouser Part No
576-L50QS450.X

Littelfuse

Industrial & Electrical Fuses 450A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

4In Stock

$330.42

$273.90

$252.49

$208.61

Min.: 1
Mult.: 1

L50QS

Specialty Fuses

450 A

500 VAC

Fast Blow

500 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

50.8 mm x 113.49 mm

Without Indicator

Bulk

Industrial & Electrical Fuses 50A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS050.V
Littelfuse
1: $144.25
8In Stock

Mfr. Part No.
L70QS050.V

Mouser Part No
576-L70QS050.V

Littelfuse

Industrial & Electrical Fuses 50A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

8In Stock

$144.25

$123.71

$109.98

$91.28

$84.04

Min.: 1
Mult.: 1

L70QS

Specialty Fuses

50 A

700 VAC

Fast Blow

700 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

Without Indicator

Bulk

Industrial & Electrical Fuses 100A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS100.V
Littelfuse
1: $182.81
15In Stock

Mfr. Part No.
L70QS100.V

Mouser Part No
576-L70QS100.V

Littelfuse

Industrial & Electrical Fuses 100A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

15In Stock

$182.81

$156.43

$144.52

$115.61

$106.42

Min.: 1
Mult.: 1

L70QS

Specialty Fuses

100 A

700 VAC

Fast Blow

700 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

Without Indicator

Bulk

Industrial & Electrical Fuses 125A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS125.V
Littelfuse
1: $257.66
6In Stock

Mfr. Part No.
L70QS125.V

Mouser Part No
576-L70QS125.V

Littelfuse

Industrial & Electrical Fuses 125A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

6In Stock

$257.66

$213.64

$196.98

$162.80

Min.: 1
Mult.: 1

L70QS

Specialty Fuses

125 A

700 VAC

Fast Blow

700 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

Without Indicator

Bulk

Industrial & Electrical Fuses 250A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS250.X
Littelfuse
1: $356.42
1In Stock

Mfr. Part No.
L70QS250.X

Mouser Part No
576-L70QS250.X

Littelfuse

Industrial & Electrical Fuses 250A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

1In Stock

$356.42

$295.44

$272.34

$224.99

Min.: 1
Mult.: 1

L70QS

Specialty Fuses

250 A

700 VAC

Fast Blow

700 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

Without Indicator

Bulk

Industrial & Electrical Fuses 1000V SIZE 70 LONG BL 100A

PSR070UL0100Z
Littelfuse
1: $538.22
1In Stock

Mfr. Part No.
PSR070UL0100Z

Mouser Part No
576-PSR070UL0100Z

Littelfuse

Industrial & Electrical Fuses 1000V SIZE 70 LONG BL 100A

Learn More

Datasheet

1In Stock

$538.22

$437.38

$403.03

Min.: 1
Mult.: 1

PSR

Specialty Fuses

100 A

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Bulk

Industrial & Electrical Fuses 40A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS040.T
Littelfuse
1: $87.46
13In Stock

Mfr. Part No.
L50QS040.T

Mouser Part No
576-L50QS040.T

Littelfuse

Industrial & Electrical Fuses 40A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

13In Stock

$87.46

$75.39

$69.56

$55.27

View

Min.: 1
Mult.: 1

L50QS

Specialty Fuses

40 A

500 VAC

Fast Blow

500 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

25.4 mm x 92.08 mm

Without Indicator

Bulk

Industrial & Electrical Fuses 70A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS070.T
Littelfuse
1: $98.09
14In Stock

Mfr. Part No.
L50QS070.T

Mouser Part No
576-L50QS070.T

Littelfuse

Industrial & Electrical Fuses 70A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

14In Stock

$98.09

$81.37

$80.76

$62.11

View

Min.: 1
Mult.: 1

L50QS

Specialty Fuses

70 A

500 VAC

Fast Blow

500 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

25.4 mm x 92.08 mm

Without Indicator

Bulk

Industrial & Electrical Fuses 225A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS225.V
Littelfuse
1: $215.66
13In Stock

Mfr. Part No.
L50QS225.V

Mouser Part No
576-L50QS225.V

Littelfuse

Industrial & Electrical Fuses 225A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

13In Stock

$215.66

$185.16

$170.75

$136.04

$126.56

Min.: 1
Mult.: 1

L50QS

Specialty Fuses

225 A

500 VAC

Fast Blow

500 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

38.1 mm x 110.31 mm

Without Indicator

Bulk

Industrial & Electrical Fuses 275A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS275.V
Littelfuse
1: $217.54
4In Stock

Mfr. Part No.
L50QS275.V

Mouser Part No
576-L50QS275.V

Littelfuse

Industrial & Electrical Fuses 275A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

4In Stock

$217.54

$178.87

$166.30

$137.50

$126.56

Min.: 1
Mult.: 1

L50QS

Specialty Fuses

275 A

500 VAC

Fast Blow

500 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

38.1 mm x 110.31 mm

Without Indicator

Bulk

Industrial & Electrical Fuses 35A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS035.V
Littelfuse
1: $144.25
12In Stock

Mfr. Part No.
L70QS035.V

Mouser Part No
576-L70QS035.V

Littelfuse

Industrial & Electrical Fuses 35A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

12In Stock

$144.25

$119.67

$109.84

$91.28

$84.04

Min.: 1
Mult.: 1

L70QS

Specialty Fuses

35 A

700 VAC

Fast Blow

700 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

Without Indicator

Bulk

Industrial & Electrical Fuses 175A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS175.V
Littelfuse
1: $259.37
2In Stock

Mfr. Part No.
L70QS175.V

Mouser Part No
576-L70QS175.V

Littelfuse

Industrial & Electrical Fuses 175A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

2In Stock

$259.37

$205.83

$193.17

$162.80

Min.: 1
Mult.: 1

L70QS

Specialty Fuses

175 A

700 VAC

Fast Blow

700 VDC

200 kA

Round Body Fuses

Stud

Bolt Down

Without Indicator

Bulk

Customer Service Office

Company

Resources

Support

35 A
40 A
50 A
60 A
63 A
70 A
80 A
90 A
100 A
125 A
150 A
160 A
175 A
200 A
225 A
250 A
275 A
280 A
300 A
315 A