Circuit Breakers – Mouser Singapore

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5SJ4 Miniature Circuit Breakers

Siemens 5SJ4 Miniature Circuit Breakers come in 1-, 2- or 3-pole versions with 0.3A to 63A rated current. These 70mm mounting depth devices are smaller than traditional molded-case circuit breakers and feature identical wire screw connections on the line and load sides. Siemens 5SJ4 provides DIN rail mounting, an ON and OFF/Trip visible indicator, and EN50274 touch protection.

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Part #

Circuit Breakers MCB 5SJ4 2P 480/277 6A 10K C-TRIP

5SJ42067HG42
Siemens
1: $223.94
5In Stock

Mfr. Part No.
5SJ42067HG42

Mouser Part No
982-5SJ42067HG42

Siemens

Circuit Breakers MCB 5SJ4 2P 480/277 6A 10K C-TRIP

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Datasheet

5In Stock

$223.94

$186.23

$171.07

$143.10

$137.30

Min.: 1
Mult.: 1

5SJ4

Circuit Breaker

Miniature

6 A

277 VAC, 480 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 2P 240V 8A 14K C-TRIP

5SJ42087HG41
Siemens
1: $202.77
5In Stock

Mfr. Part No.
5SJ42087HG41

Mouser Part No
982-5SJ42087HG41

Siemens

Circuit Breakers MCB 5SJ4 2P 240V 8A 14K C-TRIP

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Datasheet

5In Stock

$202.77

$187.72

$162.92

$142.78

$137.30

Min.: 1
Mult.: 1

5SJ4

Circuit Breaker

Miniature

8 A

240 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 2P 480/277 8A 10K D-TRIP

5SJ42088HG42
Siemens
1: $226.44
1In Stock

Mfr. Part No.
5SJ42088HG42

Mouser Part No
982-5SJ42088HG42

Siemens

Circuit Breakers MCB 5SJ4 2P 480/277 8A 10K D-TRIP

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Datasheet

1In Stock

$226.44

$187.73

$173.08

$143.10

$137.30

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

8 A

277 VAC, 480 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 2P 480/277 10A 10K C-TRIP

5SJ42107HG42
Siemens
1: $226.43
5In Stock

Mfr. Part No.
5SJ42107HG42

Mouser Part No
982-5SJ42107HG42

Siemens

Circuit Breakers MCB 5SJ4 2P 480/277 10A 10K C-TRIP

Learn More

Datasheet

5In Stock

$226.43

$187.72

$173.07

$143.10

$137.30

Min.: 1
Mult.: 1

5SJ4

Circuit Breaker

Miniature

10 A

277 VAC, 480 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers CB 5SJ4 2P 240V 10A 14K D-TRIP

5SJ42108HG41
Siemens
1: $224.90
1In Stock

Mfr. Part No.
5SJ42108HG41

Mouser Part No
982-5SJ42108HG41

Siemens

Circuit Breakers CB 5SJ4 2P 240V 10A 14K D-TRIP

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Datasheet

1In Stock

$224.90

$187.72

$173.07

$143.10

$137.30

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

10 A

240 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 2P 480/277 10A 10K D-TRIP

5SJ42108HG42
Siemens
1: $225.33
3In Stock

Mfr. Part No.
5SJ42108HG42

Mouser Part No
982-5SJ42108HG42

Siemens

Circuit Breakers MCB 5SJ4 2P 480/277 10A 10K D-TRIP

Learn More

Datasheet

3In Stock

$225.33

$177.49

$162.16

$143.10

$137.30

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

10 A

277 VAC, 480 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 1CB 5SJ4 2P 240V 5A 14K C-TRIP

5SJ42117HG41
Siemens
1: $223.96
9In Stock

Mfr. Part No.
5SJ42117HG41

Mouser Part No
982-5SJ42117HG41

Siemens

Circuit Breakers 1CB 5SJ4 2P 240V 5A 14K C-TRIP

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Datasheet

9In Stock

$223.96

$185.72

$165.35

$143.10

$137.30

Min.: 1
Mult.: 1

5SJ4

Circuit Breaker

Miniature

5 A

240 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 2P 480/277 5A 10K C-TRIP

5SJ42117HG42
Siemens
1: $226.44
3In Stock

Mfr. Part No.
5SJ42117HG42

Mouser Part No
982-5SJ42117HG42

Siemens

Circuit Breakers MCB 5SJ4 2P 480/277 5A 10K C-TRIP

Learn More

Datasheet

3In Stock

$226.44

$187.72

$164.70

$143.10

$137.30

Min.: 1
Mult.: 1

5SJ4

Circuit Breaker

Miniature

5 A

277 VAC, 480 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 2P 240V 13A 14K C-TRIP

5SJ42137HG41
Siemens
1: $204.71
4In Stock

Mfr. Part No.
5SJ42137HG41

Mouser Part No
982-5SJ42137HG41

Siemens

Circuit Breakers MCB 5SJ4 2P 240V 13A 14K C-TRIP

Learn More

Datasheet

4In Stock

$204.71

$199.34

$196.30

View

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

13 A

240 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 2P 480/277 13A 10K C-TRIP

5SJ42137HG42
Siemens
1: $224.90
2In Stock

Mfr. Part No.
5SJ42137HG42

Mouser Part No
982-5SJ42137HG42

Siemens

Circuit Breakers MCB 5SJ4 2P 480/277 13A 10K C-TRIP

Learn More

Datasheet

2In Stock

$224.90

$180.12

$164.53

$143.10

$137.30

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

13 A

277 VAC, 480 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 2P 240V 16A 14K C-TRIP

5SJ42167HG41
Siemens
1: $224.90
1In Stock
5Expected 9/3/2026

Mfr. Part No.
5SJ42167HG41

Mouser Part No
982-5SJ42167HG41

Siemens

Circuit Breakers MCB 5SJ4 2P 240V 16A 14K C-TRIP

Learn More

Datasheet

1In Stock

5Expected 9/3/2026

$224.90

$187.72

$173.07

$143.10

$137.30

Min.: 1
Mult.: 1

5SJ4

Circuit Breaker

Miniature

16 A

240 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 2P 480/277 16A 10K C-TRIP

5SJ42167HG42
Siemens
1: $225.31
6In Stock

Mfr. Part No.
5SJ42167HG42

Mouser Part No
982-5SJ42167HG42

Siemens

Circuit Breakers MCB 5SJ4 2P 480/277 16A 10K C-TRIP

Learn More

Datasheet

6In Stock

$225.31

$199.69

$165.47

$143.10

$137.30

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

16 A

277 VAC, 480 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 2P 240V 15A 14K D-TRIP

5SJ42188HG41
Siemens
1: $226.50
1In Stock

Mfr. Part No.
5SJ42188HG41

Mouser Part No
982-5SJ42188HG41

Siemens

Circuit Breakers MCB 5SJ4 2P 240V 15A 14K D-TRIP

Learn More

Datasheet

1In Stock

$226.50

$187.79

$173.14

Min.: 1
Mult.: 1

5SJ4

Circuit Breaker

Miniature

15 A

240 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 2P 480/277 15A 10K D-TRIP

5SJ42188HG42
Siemens
1: $226.44
5In Stock

Mfr. Part No.
5SJ42188HG42

Mouser Part No
982-5SJ42188HG42

Siemens

Circuit Breakers MCB 5SJ4 2P 480/277 15A 10K D-TRIP

Learn More

Datasheet

5In Stock

$226.44

$199.69

$164.80

$143.10

$137.30

Min.: 1
Mult.: 1

5SJ4

Circuit Breaker

Miniature

15 A

277 VAC, 480 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 2P 480/277 20A 10K C-TRIP

5SJ42207HG42
Siemens
1: $196.50
5In Stock

Mfr. Part No.
5SJ42207HG42

Mouser Part No
982-5SJ42207HG42

Siemens

Circuit Breakers MCB 5SJ4 2P 480/277 20A 10K C-TRIP

Learn More

Datasheet

5In Stock

$196.50

$187.75

$173.10

$136.29

$133.97

Min.: 1
Mult.: 1

5SJ4

Circuit Breaker

Miniature

20 A

277 VAC, 480 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 2P 240V 20A 14K D-TRIP

5SJ42208HG41
Siemens
1: $226.38
1In Stock
5Expected 9/3/2026

Mfr. Part No.
5SJ42208HG41

Mouser Part No
982-5SJ42208HG41

Siemens

Circuit Breakers MCB 5SJ4 2P 240V 20A 14K D-TRIP

Learn More

Datasheet

1In Stock

5Expected 9/3/2026

$226.38

$179.38

$161.38

$143.10

$137.30

Min.: 1
Mult.: 1

5SJ4

Circuit Breaker

Miniature

20 A

240 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 2P 480/277 20A 10K D-TRIP

5SJ42208HG42
Siemens
1: $224.40
4In Stock

Mfr. Part No.
5SJ42208HG42

Mouser Part No
982-5SJ42208HG42

Siemens

Circuit Breakers MCB 5SJ4 2P 480/277 20A 10K D-TRIP

Learn More

Datasheet

4In Stock

$224.40

$199.69

$162.16

$143.10

$137.30

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

20 A

277 VAC, 480 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 2P 480/277 25A 10K D-TRIP

5SJ42258HG42
Siemens
1: $226.38
1In Stock

Mfr. Part No.
5SJ42258HG42

Mouser Part No
982-5SJ42258HG42

Siemens

Circuit Breakers MCB 5SJ4 2P 480/277 25A 10K D-TRIP

Learn More

Datasheet

1In Stock

$226.38

$177.38

$162.05

$143.10

$137.30

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

25 A

277 VAC, 480 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 2P 240V 30A 14K C-TRIP

5SJ42307HG41
Siemens
1: $222.57
4In Stock
3Expected 13/3/2026

Mfr. Part No.
5SJ42307HG41

Mouser Part No
982-5SJ42307HG41

Siemens

Circuit Breakers MCB 5SJ4 2P 240V 30A 14K C-TRIP

Learn More

Datasheet

4In Stock

3Expected 13/3/2026

$222.57

$181.88

$163.77

$143.10

$137.30

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

30 A

240 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 2P 240V 30A 10K D-TRIP

5SJ42308HG41
Siemens
1: $221.39
2In Stock

Mfr. Part No.
5SJ42308HG41

Mouser Part No
982-5SJ42308HG41

Siemens

Circuit Breakers MCB 5SJ4 2P 240V 30A 10K D-TRIP

Learn More

Datasheet

2In Stock

$221.39

$204.18

$195.04

$191.35

View

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

30 A

240 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 3P 480/277 1A 10K D-TRIP

5SJ43018HG42
Siemens
1: $345.32
3In Stock

Mfr. Part No.
5SJ43018HG42

Mouser Part No
982-5SJ43018HG42

Siemens

Circuit Breakers MCB 5SJ4 3P 480/277 1A 10K D-TRIP

Learn More

Datasheet

3In Stock

$345.32

$292.55

$288.59

$286.31

View

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

1 A

277 VAC, 480 VAC

60 VDC

3 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers _MCB 5SJ4 3P 480/277 2A 10K C-TRIP

5SJ43027HG42
Siemens
1: $328.86
1In Stock

Mfr. Part No.
5SJ43027HG42

Mouser Part No
982-5SJ43027HG42

Siemens

Circuit Breakers _MCB 5SJ4 3P 480/277 2A 10K C-TRIP

Learn More

Datasheet

1In Stock

$328.86

$260.72

$245.75

$209.68

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

2 A

277 VAC, 480 VAC

60 VDC

3 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 3P 480/277 2A 10K D-TRIP

5SJ43028HG42
Siemens
1: $322.94
4In Stock

Mfr. Part No.
5SJ43028HG42

Mouser Part No
982-5SJ43028HG42

Siemens

Circuit Breakers MCB 5SJ4 3P 480/277 2A 10K D-TRIP

Learn More

Datasheet

4In Stock

$322.94

$256.72

$243.03

$209.68

Min.: 1
Mult.: 1

5SJ4

Circuit Breaker

Miniature

2 A

277 VAC, 480 VAC

60 VDC

3 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 3P 480/277 3A 10K D-TRIP

5SJ43038HG42
Siemens
1: $331.11
5In Stock

Mfr. Part No.
5SJ43038HG42

Mouser Part No
982-5SJ43038HG42

Siemens

Circuit Breakers MCB 5SJ4 3P 480/277 3A 10K D-TRIP

Learn More

Datasheet

5In Stock

$331.11

$275.29

$253.77

$209.68

Min.: 1
Mult.: 1

5SJ4

Circuit Breaker

Miniature

3 A

277 VAC, 480 VAC

60 VDC

3 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 3P 480/277 4A 10K C-TRIP

5SJ43047HG42
Siemens
1: $330.50
2In Stock

Mfr. Part No.
5SJ43047HG42

Mouser Part No
982-5SJ43047HG42

Siemens

Circuit Breakers MCB 5SJ4 3P 480/277 4A 10K C-TRIP

Learn More

Datasheet

2In Stock

$330.50

$294.64

$287.13

$282.34

View

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

4 A

277 VAC, 480 VAC

60 VDC

3 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

5SJ4 Miniature Circuit Breakers

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2 A
3 A
4 A
5 A
6 A
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10 A
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20 A
25 A
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