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18 mm Circuit Breakers

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Results: 231

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Width = 18 mm

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Part #

Circuit Breakers SUP PTOR 5SY4 1P 240V 0.5A 7.5K C-TRIP

5SY41057
Siemens
1: HK$618.06
10In Stock

Mfr. Part No.
5SY41057

Mouser Part No
982-5SY41057

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 0.5A 7.5K C-TRIP

Learn More

Datasheet

10In Stock

HK$618.06

HK$528.87

HK$512.76

HK$487.28

View

Min.: 1
Mult.: 1

Circuit Breakers

Miniature

500 mA

400 VAC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers SUP PTOR 5SY4 1P 240V 6A 7.5K C-TRIP

5SY41067
Siemens
1: HK$595.21
16In Stock

Mfr. Part No.
5SY41067

Mouser Part No
982-5SY41067

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 6A 7.5K C-TRIP

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Datasheet

16In Stock

HK$595.21

HK$503.39

HK$476.92

HK$391.19

View

Min.: 1
Mult.: 1

Circuit Breakers

Miniature

6 A

400 VAC

60 VDC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers SUP PTOR 5SY4 1P 240V 6A 7.5K D-TRIP

5SY41068
Siemens
1: HK$705.69
5In Stock

Mfr. Part No.
5SY41068

Mouser Part No
982-5SY41068

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 6A 7.5K D-TRIP

Learn More

Datasheet

5In Stock

HK$705.69

HK$599.24

HK$526.16

HK$454.65

HK$422.01

Min.: 1
Mult.: 1

5SY4

Circuit Breakers

Miniature

6 A

400 VAC

60 VDC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers SUP PTOR 5SY4 1P 240V 8A 7.5K C-TRIP

5SY41087
Siemens
1: HK$589.46
10In Stock

Mfr. Part No.
5SY41087

Mouser Part No
982-5SY41087

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 8A 7.5K C-TRIP

Learn More

Datasheet

10In Stock

HK$589.46

HK$522.96

HK$476.92

HK$383.87

View

Min.: 1
Mult.: 1

Circuit Breakers

Miniature

8 A

400 VAC

60 VDC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers SUP PTOR 5SY4 1P 240V 10A 7.5K A-TRIP

5SY41105
Siemens
1: HK$589.46
4In Stock

Mfr. Part No.
5SY41105

Mouser Part No
982-5SY41105

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 10A 7.5K A-TRIP

Learn More

Datasheet

4In Stock

HK$589.46

HK$508.00

HK$488.93

HK$453.58

View

Min.: 1
Mult.: 1

Circuit Breakers

Miniature

10 A

400 VAC

60 VDC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers SUP PTOR 5SY4 1P 240V 10A 7.5K B-TRIP

5SY41106
Siemens
1: HK$589.46
5In Stock

Mfr. Part No.
5SY41106

Mouser Part No
982-5SY41106

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 10A 7.5K B-TRIP

Learn More

Datasheet

5In Stock

HK$589.46

HK$503.39

HK$488.93

HK$453.58

View

Min.: 1
Mult.: 1

Circuit Breakers

Miniature

10 A

400 VAC

60 VDC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers SUP PTOR 5SY4 1P 240V 10A 7.5K D-TRIP

5SY41108
Siemens
1: HK$705.69
10In Stock

Mfr. Part No.
5SY41108

Mouser Part No
982-5SY41108

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 10A 7.5K D-TRIP

Learn More

Datasheet

10In Stock

HK$705.69

HK$599.90

HK$567.76

HK$454.65

HK$422.01

Min.: 1
Mult.: 1

5SY4

Circuit Breakers

Miniature

10 A

400 VAC

60 VDC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers SUP PTOR 5SY4 1P 240V 5A 7.5K C-TRIP

5SY41117
Siemens
1: HK$602.12
3In Stock

Mfr. Part No.
5SY41117

Mouser Part No
982-5SY41117

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 5A 7.5K C-TRIP

Learn More

Datasheet

3In Stock

HK$602.12

HK$507.50

HK$476.92

HK$383.87

View

Min.: 1
Mult.: 1

Circuit Breakers

Miniature

5 A

400 VAC

60 VDC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers SUP PTOR 5SY4 1P 240V 13A 7.5K C-TRIP

5SY41137
Siemens
1: HK$630.47
3In Stock

Mfr. Part No.
5SY41137

Mouser Part No
982-5SY41137

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 13A 7.5K C-TRIP

Learn More

Datasheet

3In Stock

HK$630.47

HK$508.00

HK$488.93

HK$453.58

View

Min.: 1
Mult.: 1

Circuit Breakers

Miniature

13 A

400 VAC

60 VDC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers SUP PTOR 5SY4 1P 240V 1.6A 7.5K C-TRIP

5SY41157
Siemens
1: HK$589.46
1In Stock

Mfr. Part No.
5SY41157

Mouser Part No
982-5SY41157

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 1.6A 7.5K C-TRIP

Learn More

Datasheet

1In Stock

HK$589.46

HK$508.00

HK$488.93

HK$453.58

View

Min.: 1
Mult.: 1

Circuit Breakers

Miniature

1.6 A

400 VAC

60 VDC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers SUP PTOR 5SY4 1P 240V 16A 7.5K B-TRIP

5SY41166
Siemens
1: HK$589.46
5In Stock

Mfr. Part No.
5SY41166

Mouser Part No
982-5SY41166

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 16A 7.5K B-TRIP

Learn More

Datasheet

5In Stock

HK$589.46

HK$503.39

HK$489.01

HK$453.50

View

Min.: 1
Mult.: 1

Circuit Breakers

Miniature

16 A

400 VAC

60 VDC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers SUP PTOR 5SY4 1P 240V 16A 7.5K C-TRIP

5SY41167
Siemens
1: HK$542.36
31In Stock

Mfr. Part No.
5SY41167

Mouser Part No
982-5SY41167

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 16A 7.5K C-TRIP

Learn More

Datasheet

31In Stock

HK$542.36

HK$522.96

HK$482.27

HK$380.26

View

Min.: 1
Mult.: 1

Circuit Breakers

Miniature

16 A

400 VAC

60 VDC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers SUP PTOR 5SY4 1P 240V 20A 7.5K B-TRIP

5SY41206
Siemens
1: HK$589.46
2In Stock

Mfr. Part No.
5SY41206

Mouser Part No
982-5SY41206

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 20A 7.5K B-TRIP

Learn More

Datasheet

2In Stock

HK$589.46

HK$508.00

HK$488.93

HK$453.58

View

Min.: 1
Mult.: 1

Circuit Breakers

Miniature

20 A

400 VAC

60 VDC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers SUP PTOR 5SY4 1P 240V 20A 7.5K C-TRIP

5SY41207
Siemens
1: HK$589.46
4In Stock
5Expected 21/9/2026

Mfr. Part No.
5SY41207

Mouser Part No
982-5SY41207

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 20A 7.5K C-TRIP

Learn More

Datasheet

4In Stock

5Expected 21/9/2026

HK$589.46

HK$475.53

HK$444.21

HK$383.87

View

Min.: 1
Mult.: 1

Circuit Breakers

Miniature

20 A

400 VAC

60 VDC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers SUP PTOR 5SY4 1P 240V 20A 7.5K D-TRIP

5SY41208
Siemens
1: HK$705.69
3In Stock

Mfr. Part No.
5SY41208

Mouser Part No
982-5SY41208

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 20A 7.5K D-TRIP

Learn More

Datasheet

3In Stock

HK$705.69

HK$563.15

HK$526.16

HK$454.65

HK$422.01

Min.: 1
Mult.: 1

Circuit Breakers

Miniature

20 A

400 VAC

60 VDC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers SUP PTOR 5SY4 1P 240V 25A 7.5K C-TRIP

5SY41257
Siemens
1: HK$589.46
4In Stock

Mfr. Part No.
5SY41257

Mouser Part No
982-5SY41257

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 25A 7.5K C-TRIP

Learn More

Datasheet

4In Stock

HK$589.46

HK$503.39

HK$488.93

HK$453.58

View

Min.: 1
Mult.: 1

Circuit Breakers

Miniature

25 A

400 VAC

60 VDC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers SUP PTOR 5SY4 1P 240V 25A 7.5K D-TRIP

5SY41258
Siemens
1: HK$690.89
3In Stock

Mfr. Part No.
5SY41258

Mouser Part No
982-5SY41258

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 25A 7.5K D-TRIP

Learn More

Datasheet

3In Stock

HK$690.89

HK$601.13

HK$578.52

HK$536.44

View

Min.: 1
Mult.: 1

Circuit Breakers

Miniature

25 A

400 VAC

60 VDC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers SUP PTOR 5SY4 1P 240V 30A 7.5K C-TRIP

5SY41307
Siemens
1: HK$602.12
1In Stock

Mfr. Part No.
5SY41307

Mouser Part No
982-5SY41307

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 30A 7.5K C-TRIP

Learn More

Datasheet

1In Stock

HK$602.12

HK$475.53

HK$444.21

HK$383.87

View

Min.: 1
Mult.: 1

Circuit Breakers

Miniature

30 A

400 VAC

60 VDC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers SUP PTOR 5SY4 1P 240V 32A 7.5K C-TRIP

5SY41327
Siemens
1: HK$655.87
5In Stock

Mfr. Part No.
5SY41327

Mouser Part No
982-5SY41327

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 32A 7.5K C-TRIP

Learn More

Datasheet

5In Stock

HK$655.87

HK$602.77

HK$557.73

HK$527.81

View

Min.: 1
Mult.: 1

Circuit Breakers

Miniature

32 A

400 VAC

60 VDC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers SUP PTOR 5SY4 1P 240V 40A 7.5K C-TRIP

5SY41407
Siemens
1: HK$666.48
4In Stock

Mfr. Part No.
5SY41407

Mouser Part No
982-5SY41407

Siemens

Circuit Breakers SUP PTOR 5SY4 1P 240V 40A 7.5K C-TRIP

Learn More

Datasheet

4In Stock

HK$666.48

HK$566.44

HK$524.76

HK$429.08

HK$399.82

Min.: 1
Mult.: 1

Circuit Breakers

Miniature

40 A

400 VAC

60 VDC

1 Pole

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers Multi9 C60SP 1P C 10A 10kA 277V UL1077

M9F22110
APC by Schneider Electric
1: HK$788.30
22In Stock

Mfr. Part No.
M9F22110

Mouser Part No
996-M9F22110

APC by Schneider Electric

Circuit Breakers Multi9 C60SP 1P C 10A 10kA 277V UL1077

Datasheet

22In Stock

HK$788.30

HK$703.63

Min.: 1
Mult.: 1

Miniature Circuit Breakers

Thermal Magnetic

10 A

240 VAC, 415 VAC

60 VDC

1 Pole

- 30 C

+ 70 C

Non-Illuminated

Circuit Breakers MCB UL1077 C 1P 10A

GSB631PC10
Carlo Gavazzi
1: HK$112.61
11In Stock

Mfr. Part No.
GSB631PC10

Mouser Part No
225-GSB631PC10

Carlo Gavazzi

Circuit Breakers MCB UL1077 C 1P 10A

Datasheet

11In Stock

HK$112.61

HK$107.02

HK$101.35

HK$97.98

Min.: 1
Mult.: 1

GSB63

Circuit Breakers

Thermal Magnetic

10 A

277 VAC

1 Pole

- 35 C

+ 70 C

Non-Illuminated

Bulk

Circuit Breakers MCB UL1077 C 1P 3A

GSB631PC3
Carlo Gavazzi
1: HK$112.61
8In Stock

Mfr. Part No.
GSB631PC3

Mouser Part No
225-GSB631PC3

Carlo Gavazzi

Circuit Breakers MCB UL1077 C 1P 3A

Datasheet

8In Stock

HK$112.61

HK$107.02

HK$101.35

HK$97.98

Min.: 1
Mult.: 1

GSB63

Circuit Breakers

Thermal Magnetic

3 A

277 VAC

1 Pole

- 35 C

+ 70 C

Non-Illuminated

Bulk

Circuit Breakers MCB UL1077 C 1P 4A

GSB631PC4
Carlo Gavazzi
1: HK$112.61
25In Stock

Mfr. Part No.
GSB631PC4

Mouser Part No
225-GSB631PC4

Carlo Gavazzi

Circuit Breakers MCB UL1077 C 1P 4A

Datasheet

25In Stock

HK$112.61

HK$107.02

HK$101.35

HK$97.98

Min.: 1
Mult.: 1

GSB63

Circuit Breakers

Thermal Magnetic

4 A

277 VAC

1 Pole

- 35 C

+ 70 C

Non-Illuminated

Bulk

Circuit Breakers TMC 7/8 12VDC SHNT

2908221
Phoenix Contact
1: HK$411.00
1In Stock

Mfr. Part No.
2908221

Mouser Part No
651-2908221

Phoenix Contact

Circuit Breakers TMC 7/8 12VDC SHNT

Learn More

Datasheet

1In Stock

HK$411.00

Min.: 1
Mult.: 1

TMC 8

- 35 C

+ 70 C

18 mm Circuit Breakers

Customer Service Office

Company

Resources

Support

300 mA
500 mA
1 A
1.6 A
2 A
2.5 A
3 A
4 A
5 A
6 A
8 A
10 A
13 A
15 A
16 A
20 A
25 A
30 A
32 A
35 A