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POWR-SPEED Circuit Breakers, Surge Protectors & Fuses

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Types of Circuit Breakers, Surge Protectors & Fuses

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Tradename = POWR-SPEED

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Part #

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A

ESR3XLUB0315XI
Littelfuse
1: $794.87
2In Stock
1Expected 29/12/2026
New Product

Mfr. Part No.
ESR3XLUB0315XI

Mouser Part No
576-ESR3XLUB0315XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A

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Datasheet

2In Stock

1Expected 29/12/2026

$794.87

$652.68

$594.10

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 450A

ESR3XLUB0450XI
Littelfuse
1: $835.46
3In Stock
New Product

Mfr. Part No.
ESR3XLUB0450XI

Mouser Part No
576-ESR3XLUB0450XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 450A

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Datasheet

3In Stock

$835.46

$686.01

$624.44

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A

ESR3XLDB0315XI
Littelfuse
1: $788.45
3In Stock
New Product

Mfr. Part No.
ESR3XLDB0315XI

Mouser Part No
576-ESR3XLDB0315XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A

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Datasheet

3In Stock

$788.45

$647.40

$589.30

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A

ESR3XLUB0500XI
Littelfuse
1: $827.56
3In Stock
New Product

Mfr. Part No.
ESR3XLUB0500XI

Mouser Part No
576-ESR3XLUB0500XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A

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Datasheet

3In Stock

$827.56

$704.38

$631.56

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A

ESR3XLUB0250XI
Littelfuse
1: $710.49
3In Stock
New Product

Mfr. Part No.
ESR3XLUB0250XI

Mouser Part No
576-ESR3XLUB0250XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A

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Datasheet

3In Stock

$710.49

$583.39

$531.05

Quote

Min.: 1
Mult.: 1

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

L70QS200.V
Littelfuse
1: $218.32
65In Stock

Mfr. Part No.
L70QS200.V

Mouser Part No
576-L70QS200.V

Littelfuse

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

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Datasheet

65In Stock

$218.32

$187.52

$161.66

$144.66

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 90A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS090.T
Littelfuse
1: $77.33
62In Stock

Mfr. Part No.
L50QS090.T

Mouser Part No
576-L50QS090.T

Littelfuse

Industrial & Electrical Fuses 90A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

62In Stock

$77.33

$68.03

$55.32

$54.51

$50.14

Min.: 1
Mult.: 1

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

L70QS600.X
Littelfuse
1: $477.21
16In Stock

Mfr. Part No.
L70QS600.X

Mouser Part No
576-L70QS600.X

Littelfuse

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

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Datasheet

16In Stock

$477.21

$405.58

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 630A

PSX1XLDB0630X
Littelfuse
1: $979.21
9In Stock

Mfr. Part No.
PSX1XLDB0630X

Mouser Part No
576-PSX1XLDB0630X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 630A

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Datasheet

9In Stock

$979.21

$833.46

$705.12

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 450A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS450.X
Littelfuse
1: $491.22
5In Stock

Mfr. Part No.
L70QS450.X

Mouser Part No
576-L70QS450.X

Littelfuse

Industrial & Electrical Fuses 450A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

5In Stock

$491.22

$435.59

Min.: 1
Mult.: 1

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

L70QS175.V
Littelfuse
1: $253.69
2In Stock

Mfr. Part No.
L70QS175.V

Mouser Part No
576-L70QS175.V

Littelfuse

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

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Datasheet

2In Stock

$253.69

$193.68

$181.79

$159.28

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 125A

PSX1XLDB0125X
Littelfuse
1: $582.07
13In Stock

Mfr. Part No.
PSX1XLDB0125X

Mouser Part No
576-PSX1XLDB0125X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 125A

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Datasheet

13In Stock

$582.07

$478.04

$393.61

Quote

Min.: 1
Mult.: 1

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

L50QS150.V
Littelfuse
1: $133.44
59In Stock
130Expected 10/9/2026

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

59In Stock

130Expected 10/9/2026

$133.44

$111.29

$102.69

$88.51

$79.87

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 200A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS200.V
Littelfuse
1: $131.57
39In Stock

Mfr. Part No.
L50QS200.V

Mouser Part No
576-L50QS200.V

Littelfuse

Industrial & Electrical Fuses 200A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

39In Stock

$131.57

$109.28

$104.86

$86.74

$79.87

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 250A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS250.V
Littelfuse
1: $212.83
23In Stock

Mfr. Part No.
L50QS250.V

Mouser Part No
576-L50QS250.V

Littelfuse

Industrial & Electrical Fuses 250A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

23In Stock

$212.83

$184.57

$162.71

$134.53

$123.83

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS300.V
Littelfuse
1: $199.55
27In Stock
33Expected 17/9/2026

Mfr. Part No.
L50QS300.V

Mouser Part No
576-L50QS300.V

Littelfuse

Industrial & Electrical Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

27In Stock

33Expected 17/9/2026

$199.55

$176.47

$162.71

$133.80

$123.83

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS350.V
Littelfuse
1: $212.84
60In Stock

Mfr. Part No.
L50QS350.V

Mouser Part No
576-L50QS350.V

Littelfuse

Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

60In Stock

$212.84

$181.12

$169.78

$140.91

$123.83

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS600.X
Littelfuse
1: $306.08
56In Stock

Mfr. Part No.
L50QS600.X

Mouser Part No
576-L50QS600.X

Littelfuse

Industrial & Electrical Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

56In Stock

$306.08

$251.98

$208.20

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 70A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS070.V
Littelfuse
1: $178.88
106In Stock

Mfr. Part No.
L70QS070.V

Mouser Part No
576-L70QS070.V

Littelfuse

Industrial & Electrical Fuses 70A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

106In Stock

$178.88

$148.34

$136.79

$116.86

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 150A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS150.V
Littelfuse
1: $252.10
18In Stock

Mfr. Part No.
L70QS150.V

Mouser Part No
576-L70QS150.V

Littelfuse

Industrial & Electrical Fuses 150A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

18In Stock

$252.10

$210.34

$196.68

$159.28

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 60A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS060.V
Littelfuse
1: $141.14
30In Stock

Mfr. Part No.
L70QS060.V

Mouser Part No
576-L70QS060.V

Littelfuse

Industrial & Electrical Fuses 60A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

30In Stock

$141.14

$117.61

$111.22

$89.31

$82.23

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 1XL FLUSH 450A

PSX1XLFL0450X
Littelfuse
1: $913.47
6In Stock
12Expected 8/2/2027

Mfr. Part No.
PSX1XLFL0450X

Mouser Part No
576-PSX1XLFL0450X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 1XL FLUSH 450A

Learn More

Datasheet

6In Stock

12Expected 8/2/2027

$913.47

$784.41

$658.38

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 3XL DIN BL 1400A

PSX3XLDB1400X
Littelfuse
1: $1,568.08
3In Stock

Mfr. Part No.
PSX3XLDB1400X

Mouser Part No
576-PSX3XLDB1400X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 3XL DIN BL 1400A

Learn More

Datasheet

3In Stock

$1,568.08

$1,137.11

$1,136.67

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 60A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS060.T
Littelfuse
1: $87.20
2In Stock
27Expected 29/10/2026

Mfr. Part No.
L50QS060.T

Mouser Part No
576-L50QS060.T

Littelfuse

Industrial & Electrical Fuses 60A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

2In Stock

27Expected 29/10/2026

$87.20

$73.75

$64.12

$55.23

View

Min.: 1
Mult.: 1

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

L50QS080.T
Littelfuse
1: $95.98
11In Stock
12Expected 5/10/2026

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

11In Stock

12Expected 5/10/2026

$95.98

$85.35

$79.02

$60.76

View

Min.: 1
Mult.: 1

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