Circuit Breakers, Surge Protectors & Fuses – Mouser Singapore

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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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Part #

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

LFT600603C
Littelfuse
1: $71.15
1,565In Stock

Mfr. Part No.
LFT600603C

Mouser Part No
576-LFT600603C

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

Datasheet

1,565In Stock

$71.15

$65.29

$59.80

$51.68

View

Min.: 1
Mult.: 1

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

JLLS150.X
Littelfuse
1: $127.34
29In Stock

Mfr. Part No.
JLLS150.X

Mouser Part No
576-JLLS150.X

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

Datasheet

29In Stock

$127.34

$105.61

$99.30

$82.75

$77.23

Min.: 1
Mult.: 1

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

LFJ601001C
Littelfuse
1: $78.94
48In Stock

Mfr. Part No.
LFJ601001C

Mouser Part No
576-LFJ601001C

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

Datasheet

48In Stock

$78.94

$65.73

$60.74

$52.11

View

Min.: 1
Mult.: 1

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

JLLS300.X
Littelfuse
1: $308.27
8In Stock

Mfr. Part No.
JLLS300.X

Mouser Part No
576-JLLS300.X

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

Datasheet

8In Stock

$308.27

$255.52

$235.58

$194.64

Min.: 1
Mult.: 1

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

JLLS110.XXP
Littelfuse
1: $147.17
4In Stock

Mfr. Part No.
JLLS110.XXP

Mouser Part No
576-JLLS110.XXP

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

Datasheet

4In Stock

$147.17

$124.28

$117.75

$98.12

$91.57

Min.: 1
Mult.: 1

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

JLLS450.XXP
Littelfuse
1: $672.91
2In Stock

Mfr. Part No.
JLLS450.XXP

Mouser Part No
576-JLLS450.XXP

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

Datasheet

2In Stock

$672.91

$578.99

$513.81

Quote

Min.: 1
Mult.: 1

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

LFJ600303C
Littelfuse
1: $116.13
3In Stock

Mfr. Part No.
LFJ600303C

Mouser Part No
576-LFJ600303C

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

Datasheet

3In Stock

$116.13

$96.33

$90.57

$75.48

$71.18

Min.: 1
Mult.: 1

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

LFT300302C
Littelfuse
1: $60.87
18In Stock

Mfr. Part No.
LFT300302C

Mouser Part No
576-LFT300302C

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

Datasheet

18In Stock

$60.87

$53.58

$49.71

$37.81

$34.83

Min.: 1
Mult.: 1

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

JLLS400.XXP
Littelfuse
1: $363.54
1In Stock

Mfr. Part No.
JLLS400.XXP

Mouser Part No
576-JLLS400.XXP

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

Datasheet

1In Stock

$363.54

$301.32

$277.81

$229.54

Min.: 1
Mult.: 1

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

LFJ600601C
Littelfuse
1: $53.13
1In Stock

Mfr. Part No.
LFJ600601C

Mouser Part No
576-LFJ600601C

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

Datasheet

1In Stock

$53.13

$44.08

$40.66

$33.68

View

Min.: 1
Mult.: 1

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

LFT606001CS
Littelfuse
1: $486.37
3In Stock

Mfr. Part No.
LFT606001CS

Mouser Part No
576-LFT606001CS

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

Datasheet

3In Stock

$486.37

$403.04

$371.45

$330.40

Min.: 1
Mult.: 1

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

LFJ600302C
Littelfuse
1: $83.96
3In Stock

Mfr. Part No.
LFJ600302C

Mouser Part No
576-LFJ600302C

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

Datasheet

3In Stock

$83.96

$69.63

$64.23

$53.17

$49.82

Min.: 1
Mult.: 1

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

JLLS006.T
Littelfuse
1: $46.59
1In Stock

Mfr. Part No.
JLLS006.T

Mouser Part No
576-JLLS006.T

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

Datasheet

1In Stock

$46.59

$38.66

$35.65

$29.54

View

Min.: 1
Mult.: 1

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

JLLS030.TXP
Littelfuse
1: $46.16
6In Stock

Mfr. Part No.
JLLS030.TXP

Mouser Part No
576-JLLS030.TXP

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

Datasheet

6In Stock

$46.16

$38.29

$35.32

$29.26

View

Min.: 1
Mult.: 1

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

LFT600602C
Littelfuse
1: $71.50
2In Stock

Mfr. Part No.
LFT600602C

Mouser Part No
576-LFT600602C

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

Datasheet

2In Stock

$71.50

$59.55

$55.02

$47.20

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 45A 600VAC J Fuses

0JLS045.T
Littelfuse
1: $99.36
2In Stock

Mfr. Part No.
0JLS045.T

Mouser Part No
576-0JLS045.T

Industrial & Electrical Fuses 45A 600VAC J Fuses

Datasheet

2In Stock

$99.36

$82.41

$76.26

$63.55

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 150A 600VAC J Fuses

0JLS150.X
Littelfuse
1: $250.76
4In Stock

Mfr. Part No.
0JLS150.X

Mouser Part No
576-0JLS150.X

Industrial & Electrical Fuses 150A 600VAC J Fuses

Datasheet

4In Stock

$250.76

$210.28

$198.58

$163.53

Min.: 1
Mult.: 1

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

LFT301003CS
Littelfuse
1: $225.53
114In Stock

Mfr. Part No.
LFT301003CS

Mouser Part No
576-LFT301003CS

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

Datasheet

114In Stock

$225.53

$203.43

$198.77

Quote

Min.: 1
Mult.: 1

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

JLLS250.X
Littelfuse
1: $287.91
14In Stock

Mfr. Part No.
JLLS250.X

Mouser Part No
576-JLLS250.X

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

Datasheet

14In Stock

$287.91

$245.21

$231.56

$190.71

Min.: 1
Mult.: 1

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

LFJ600603C
Littelfuse
1: $120.26
31In Stock

Mfr. Part No.
LFJ600603C

Mouser Part No
576-LFJ600603C

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

Datasheet

31In Stock

$120.26

$101.76

$94.12

$76.12

Min.: 1
Mult.: 1

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

LFJ601003C
Littelfuse
1: $166.06
72In Stock

Mfr. Part No.
LFJ601003C

Mouser Part No
576-LFJ601003C

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

Datasheet

72In Stock

$166.06

$156.00

$147.51

Min.: 1
Mult.: 1

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

LFJ602001C
Littelfuse
1: $297.92
15In Stock

Mfr. Part No.
LFJ602001C

Mouser Part No
576-LFJ602001C

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

Datasheet

15In Stock

$297.92

$246.93

$239.15

$228.96

Min.: 1
Mult.: 1

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

LFT600303C
Littelfuse
1: $83.68
88In Stock
65Expected 18/5/2026

Mfr. Part No.
LFT600303C

Mouser Part No
576-LFT600303C

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

Datasheet

88In Stock

65Expected 18/5/2026

$83.68

$69.69

$64.40

$55.25

View

Min.: 1
Mult.: 1

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

LFT601003CS
Littelfuse
1: $208.46
90In Stock
24On Order

Mfr. Part No.
LFT601003CS

Mouser Part No
576-LFT601003CS

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

Datasheet

90In Stock

24On Order

$208.46

$207.83

$189.36

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 25A 600VAC J Fuses

0JLS025.T
Littelfuse
1: $67.76
160In Stock

Mfr. Part No.
0JLS025.T

Mouser Part No
576-0JLS025.T

Industrial & Electrical Fuses 25A 600VAC J Fuses

Datasheet

160In Stock

$67.76

$49.19

$45.97

$40.17

View

Min.: 1
Mult.: 1