Circuit Breakers, Surge Protectors & Fuses – Mouser Canada

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AC/DC Power Supply

Littelfuse AC/DC Power Supply is a commonly used building block in electronic designs. The components in these power supply building blocks need to be reliable and long-lasting, and Littelfuse offers a range of products that fit those requirements. This portfolio of components covers overcurrent and overvoltage protection, the power stage, and output protection. Typical applications for Littelfuse AC/DC Power Supply products include automotive, solar, industrial, manufacturing, and more.

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Types of Circuit Breakers, Surge Protectors & Fuses

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Results: 146

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Part #

Fuse Holder CLASS T FUSE BLOCK 300V 100A 3 POLE

LFT301003CS
Littelfuse
1: $267.92
114In Stock

Mfr. Part #
LFT301003CS

Mouser Part #
576-LFT301003CS

Fuse Holder CLASS T FUSE BLOCK 300V 100A 3 POLE

Datasheet

114In Stock

$267.92

$239.65

$237.58

$222.64

Min.: 1
Mult.: 1

Fuse Holder CLASS T FUSE BLOCK 600V 60A 3 POLE

LFT600603C
Littelfuse
1: $79.89
1,571In Stock

Mfr. Part #
LFT600603C

Mouser Part #
576-LFT600603C

Fuse Holder CLASS T FUSE BLOCK 600V 60A 3 POLE

Datasheet

1,571In Stock

$79.89

$72.96

$66.85

$57.43

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 150A 600VAC 300VDC Class T

JLLS150.X
Littelfuse
1: $97.32
29In Stock

Mfr. Part #
JLLS150.X

Mouser Part #
576-JLLS150.X

Industrial & Electrical Fuses 150A 600VAC 300VDC Class T

Datasheet

29In Stock

$97.32

$85.03

$81.79

$78.49

View

Min.: 1
Mult.: 1

Fuse Holder CLASS J FUSE BLOCK 600V 200A 1 POLE

LFJ602001C
Littelfuse
1: $325.24
15In Stock

Mfr. Part #
LFJ602001C

Mouser Part #
576-LFJ602001C

Fuse Holder CLASS J FUSE BLOCK 600V 200A 1 POLE

Datasheet

15In Stock

$325.24

$273.19

$266.35

View

Min.: 1
Mult.: 1

Fuse Holder CLASS J FUSEBLOCK 600V 100A 1P NON-ID

LFJ601001C
Littelfuse
1: $85.08
48In Stock

Mfr. Part #
LFJ601001C

Mouser Part #
576-LFJ601001C

Fuse Holder CLASS J FUSEBLOCK 600V 100A 1P NON-ID

Datasheet

48In Stock

$85.08

$71.50

$64.48

$61.97

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 300A 600VAC 300VDC Class T

JLLS300.X
Littelfuse
1: $330.37
8In Stock

Mfr. Part #
JLLS300.X

Mouser Part #
576-JLLS300.X

Industrial & Electrical Fuses 300A 600VAC 300VDC Class T

Datasheet

8In Stock

$330.37

$303.94

$244.23

$233.97

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 400A 600VAC 300VDC CLASS T

JLLS400.XXP
Littelfuse
1: $351.34
1In Stock

Mfr. Part #
JLLS400.XXP

Mouser Part #
576-JLLS400.XXP

Industrial & Electrical Fuses 400A 600VAC 300VDC CLASS T

Datasheet

1In Stock

$351.34

$309.81

$288.33

$267.92

Min.: 1
Mult.: 1

Fuse Holder CLASS J FUSEBLOCK 600V 60A 1P NON-ID

LFJ600601C
Littelfuse
1: $56.42
1In Stock

Mfr. Part #
LFJ600601C

Mouser Part #
576-LFJ600601C

Fuse Holder CLASS J FUSEBLOCK 600V 60A 1P NON-ID

Datasheet

1In Stock

$56.42

$48.70

$46.90

$44.52

View

Min.: 1
Mult.: 1

Fuse Holder CLASS R FUSE BLOCK 600V 30A 2 POLE

LFR600302CID
Littelfuse
1: $78.15
2In Stock

Mfr. Part #
LFR600302CID

Mouser Part #
576-LFR600302CID

Fuse Holder CLASS R FUSE BLOCK 600V 30A 2 POLE

Datasheet

2In Stock

$78.15

$62.29

$58.59

$53.82

View

Min.: 1
Mult.: 1

Fuse Holder CLASS T FUSE BLOCK 600V 600A 1 POLE

LFT606001CS
Littelfuse
1: $510.59
3In Stock

Mfr. Part #
LFT606001CS

Mouser Part #
576-LFT606001CS

Fuse Holder CLASS T FUSE BLOCK 600V 600A 1 POLE

Datasheet

3In Stock

$510.59

$494.99

$489.43

View

Min.: 1
Mult.: 1

Fuse Holder CLASS J FUSEBLOCK 600V 30A 2P NON-ID

LFJ600302C
Littelfuse
1: $91.33
3In Stock

Mfr. Part #
LFJ600302C

Mouser Part #
576-LFJ600302C

Fuse Holder CLASS J FUSEBLOCK 600V 30A 2P NON-ID

Datasheet

3In Stock

$91.33

$80.93

$77.24

$74.00

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 6A 600VAC 300VDC Class T

JLLS006.T
Littelfuse
1: $50.51
1In Stock

Mfr. Part #
JLLS006.T

Mouser Part #
576-JLLS006.T

Industrial & Electrical Fuses 6A 600VAC 300VDC Class T

Datasheet

1In Stock

$50.51

$41.90

$38.66

$32.04

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 30A 600VAC 300VDC CLASS T

JLLS030.TXP
Littelfuse
1: $50.10
6In Stock

Mfr. Part #
JLLS030.TXP

Mouser Part #
576-JLLS030.TXP

Industrial & Electrical Fuses 30A 600VAC 300VDC CLASS T

Datasheet

6In Stock

$50.10

$38.33

$35.85

$33.96

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 110A 600VAC 300VDC CLASS T

JLLS110.XXP
Littelfuse
1: $160.44
4In Stock

Mfr. Part #
JLLS110.XXP

Mouser Part #
576-JLLS110.XXP

Industrial & Electrical Fuses 110A 600VAC 300VDC CLASS T

Datasheet

4In Stock

$160.44

$123.86

$117.78

$112.58

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 450A 600VAC 300VDC CLASS T

JLLS450.XXP
Littelfuse
1: $719.59
2In Stock

Mfr. Part #
JLLS450.XXP

Mouser Part #
576-JLLS450.XXP

Industrial & Electrical Fuses 450A 600VAC 300VDC CLASS T

Datasheet

2In Stock

$719.59

$569.63

$552.30

View

Min.: 1
Mult.: 1

Fuse Holder CLASS J FUSEBLOCK 600V 30A 3P NON-ID

LFJ600303C
Littelfuse
1: $126.37
3In Stock

Mfr. Part #
LFJ600303C

Mouser Part #
576-LFJ600303C

Fuse Holder CLASS J FUSEBLOCK 600V 30A 3P NON-ID

Datasheet

3In Stock

$126.37

$102.75

$94.77

$78.41

Min.: 1
Mult.: 1

Fuse Holder CLASS T FUSE BLOCK 300V 30A 2 POLE

LFT300302C
Littelfuse
1: $67.87
18In Stock

Mfr. Part #
LFT300302C

Mouser Part #
576-LFT300302C

Fuse Holder CLASS T FUSE BLOCK 300V 30A 2 POLE

Datasheet

18In Stock

$67.87

$59.75

$55.43

$42.16

$38.84

Min.: 1
Mult.: 1

Fuse Holder CLASS T FUSE BLOCK 600V 60A 2 POLE

LFT600602C
Littelfuse
1: $77.76
2In Stock

Mfr. Part #
LFT600602C

Mouser Part #
576-LFT600602C

Fuse Holder CLASS T FUSE BLOCK 600V 60A 2 POLE

Datasheet

2In Stock

$77.76

$66.98

$63.41

$59.46

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 45A 600VAC J Fuses

0JLS045.T
Littelfuse
1: $114.56
2In Stock

Mfr. Part #
0JLS045.T

Mouser Part #
576-0JLS045.T

Industrial & Electrical Fuses 45A 600VAC J Fuses

Datasheet

2In Stock

$114.56

$80.00

$74.62

$68.82

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 150A 600VAC J Fuses

0JLS150.X
Littelfuse
1: $269.45
1In Stock
3Expected 2026-04-20

Mfr. Part #
0JLS150.X

Mouser Part #
576-0JLS150.X

Industrial & Electrical Fuses 150A 600VAC J Fuses

Datasheet

1In Stock

3Expected 2026-04-20

$269.45

$209.79

$195.46

$182.50

$178.72

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 250A 600VAC 300VDC Class T

JLLS250.X
Littelfuse
1: $305.77
14In Stock

Mfr. Part #
JLLS250.X

Mouser Part #
576-JLLS250.X

Industrial & Electrical Fuses 250A 600VAC 300VDC Class T

Datasheet

14In Stock

$305.77

$260.35

$245.86

$193.58

Min.: 1
Mult.: 1

Fuse Holder CLASS J FUSEBLOCK 600V 60A 3P NON-ID

LFJ600603C
Littelfuse
1: $134.11
31In Stock

Mfr. Part #
LFJ600603C

Mouser Part #
576-LFJ600603C

Fuse Holder CLASS J FUSEBLOCK 600V 60A 3P NON-ID

Datasheet

31In Stock

$134.11

$113.48

$104.95

$84.88

Min.: 1
Mult.: 1

Fuse Holder CLASS J FUSEBLOCK 600V 100A 3P NON-ID

LFJ601003C
Littelfuse
1: $185.18
84In Stock

Mfr. Part #
LFJ601003C

Mouser Part #
576-LFJ601003C

Fuse Holder CLASS J FUSEBLOCK 600V 100A 3P NON-ID

Datasheet

84In Stock

$185.18

$173.96

$164.49

Min.: 1
Mult.: 1

Fuse Holder CLASS T FUSE BLOCK 600V 30A 3 POLE

LFT600303C
Littelfuse
1: $87.96
51In Stock
104On Order

Mfr. Part #
LFT600303C

Mouser Part #
576-LFT600303C

Fuse Holder CLASS T FUSE BLOCK 600V 30A 3 POLE

Datasheet

51In Stock

104On Order

$87.96

$82.75

$74.93

$69.87

View

Min.: 1
Mult.: 1

Fuse Holder CLASS T FUSE BLOCK 600V 100A 3 POLE

LFT601003CS
Littelfuse
1: $234.95
90In Stock
24On Order

Mfr. Part #
LFT601003CS

Mouser Part #
576-LFT601003CS

Fuse Holder CLASS T FUSE BLOCK 600V 100A 3 POLE

Datasheet

90In Stock

24On Order

$234.95

$234.11

$219.06

Min.: 1
Mult.: 1