Circuit Breakers – Mouser United Kingdom

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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 240V 6A 14K C-TRIP

5SJ42067HG41
Siemens
1: £121.28
8Expected 02/03/2026

Mfr. Part No.
5SJ42067HG41

Mouser Part No
982-5SJ42067HG41

Siemens

Circuit Breakers MCB 5SJ4 2P 240V 6A 14K C-TRIP

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Datasheet

8Expected 02/03/2026

£121.28

£101.40

£93.49

£77.30

£77.14

Min.: 1
Mult.: 1

5SJ4

Circuit Breaker

Miniature

6 A

240 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

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

5SJ42187HG41
Siemens
1: £89.37
5Expected 13/03/2026

Mfr. Part No.
5SJ42187HG41

Mouser Part No
982-5SJ42187HG41

Siemens

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

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Datasheet

5Expected 13/03/2026

£89.37

£77.14

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 240V 20A 14K C-TRIP

5SJ42207HG41
Siemens
1: £122.28
7On Order

Mfr. Part No.
5SJ42207HG41

Mouser Part No
982-5SJ42207HG41

Siemens

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

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Datasheet

7On Order

£122.28

£97.46

£89.37

£77.30

£77.14

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 240V 25A 14K C-TRIP

5SJ42257HG41
Siemens
1: £121.93
5Expected 06/03/2026

Mfr. Part No.
5SJ42257HG41

Mouser Part No
982-5SJ42257HG41

Siemens

Circuit Breakers MCB 5SJ4 2P 240V 25A 14K C-TRIP

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Datasheet

5Expected 06/03/2026

£121.93

£96.29

£88.08

£77.30

£77.14

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

25 A

240 VAC

60 VDC

2 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 3P 480/277 30A 10K C-TRIP

5SJ43307HG42
Siemens
1: £179.41
4Expected 05/03/2026

Mfr. Part No.
5SJ43307HG42

Mouser Part No
982-5SJ43307HG42

Siemens

Circuit Breakers MCB 5SJ4 3P 480/277 30A 10K C-TRIP

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Datasheet

4Expected 05/03/2026

£179.41

£139.71

£131.60

£117.53

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

30 A

277 VAC, 480 VAC

60 VDC

3 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 3P 240V 45A 10K D-TRIP

5SJ43458HG41
Siemens
1: £191.36
1Expected 23/03/2026

Mfr. Part No.
5SJ43458HG41

Mouser Part No
982-5SJ43458HG41

Siemens

Circuit Breakers MCB 5SJ4 3P 240V 45A 10K D-TRIP

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Datasheet

1Expected 23/03/2026

£191.36

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

45 A

240 VAC

60 VDC

3 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 1P 277V 1A 10K C-TRIP

5SJ41017HG42
Siemens
1: £57.41
Lead-Time 5 Weeks

Mfr. Part No.
5SJ41017HG42

Mouser Part No
982-5SJ41017HG42

Siemens

Circuit Breakers MCB 5SJ4 1P 277V 1A 10K C-TRIP

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Datasheet

Lead-Time 5 Weeks

£57.41

£48.13

£44.38

£36.74

Min.: 1
Mult.: 1

5SJ4

Circuit Breaker

Miniature

1 A

277 VAC

60 VDC

1 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 1P 240V 1A SAME PH 14K D-TRIP

5SJ41018HG40
Siemens
1: £56.05
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
5SJ41018HG40

Mouser Part No
982-5SJ41018HG40

Siemens

Circuit Breakers MCB 5SJ4 1P 240V 1A SAME PH 14K D-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

£56.05

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

1 A

240 VAC

60 VDC

1 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 1P 240V 2A SAME PH 14K D-TRIP

5SJ41028HG40
Siemens
1: £52.84
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
5SJ41028HG40

Mouser Part No
982-5SJ41028HG40

Siemens

Circuit Breakers MCB 5SJ4 1P 240V 2A SAME PH 14K D-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

£52.84

£41.83

£38.65

£33.36

View

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

2 A

240 VAC

60 VDC

1 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 1P 240V 2A 14K D-TRIP

5SJ41028HG41
Siemens
1: £61.08
Non-Stocked Lead-Time 7 Weeks

Mfr. Part No.
5SJ41028HG41

Mouser Part No
982-5SJ41028HG41

Siemens

Circuit Breakers MCB 5SJ4 1P 240V 2A 14K D-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 7 Weeks

£61.08

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

2 A

240 VAC

60 VDC

1 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 1P 240V 3A SAME PH 14K D-TRIP

5SJ41038HG40
Siemens
1: £56.05
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
5SJ41038HG40

Mouser Part No
982-5SJ41038HG40

Siemens

Circuit Breakers MCB 5SJ4 1P 240V 3A SAME PH 14K D-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

£56.05

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

3 A

240 VAC

60 VDC

1 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 1P 240V 3A 14K D-TRIP

5SJ41038HG41
Siemens
1: £58.03
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
5SJ41038HG41

Mouser Part No
982-5SJ41038HG41

Siemens

Circuit Breakers MCB 5SJ4 1P 240V 3A 14K D-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

£58.03

£48.13

£44.39

£36.74

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

3 A

240 VAC

60 VDC

1 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

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

5SJ41038HG42
Siemens
1: £58.00
Lead-Time 8 Weeks

Mfr. Part No.
5SJ41038HG42

Mouser Part No
982-5SJ41038HG42

Siemens

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

Learn More

Datasheet

Lead-Time 8 Weeks

£58.00

£48.13

£44.39

£36.74

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

3 A

277 VAC

60 VDC

1 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 1P 240V 4A 14K D-TRIP

5SJ41048HG41
Siemens
1: £58.02
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
5SJ41048HG41

Mouser Part No
982-5SJ41048HG41

Siemens

Circuit Breakers MCB 5SJ4 1P 240V 4A 14K D-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£58.02

£48.13

£44.39

£36.74

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

4 A

240 VAC

60 VDC

1 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 1P 240V 0.5A 14K C-TRIP

5SJ41057HG41
Siemens
1: £58.00
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
5SJ41057HG41

Mouser Part No
982-5SJ41057HG41

Siemens

Circuit Breakers MCB 5SJ4 1P 240V 0.5A 14K C-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

£58.00

£48.13

£44.39

£36.74

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

500 mA

240 VAC

60 VDC

1 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 1P 277V 0.5A 10K C-TRIP

5SJ41057HG42
Siemens
1: £57.50
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
5SJ41057HG42

Mouser Part No
982-5SJ41057HG42

Siemens

Circuit Breakers MCB 5SJ4 1P 277V 0.5A 10K C-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£57.50

£48.13

£44.39

£36.74

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

500 mA

277 VAC

60 VDC

1 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 1P 240V 0.5A SAME PH 14K D-TRIP

5SJ41058HG40
Siemens
1: £51.60
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
5SJ41058HG40

Mouser Part No
982-5SJ41058HG40

Siemens

Circuit Breakers MCB 5SJ4 1P 240V 0.5A SAME PH 14K D-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£51.60

£50.06

£49.25

£48.82

View

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

500 mA

240 VAC

60 VDC

1 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 1P 240V 0.5A 14K D-TRIP

5SJ41058HG41
Siemens
1: £56.15
Non-Stocked Lead-Time 7 Weeks

Mfr. Part No.
5SJ41058HG41

Mouser Part No
982-5SJ41058HG41

Siemens

Circuit Breakers MCB 5SJ4 1P 240V 0.5A 14K D-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 7 Weeks

£56.15

£54.66

£53.77

£53.30

View

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

500 mA

240 VAC

60 VDC

1 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 1P 277V 0.5A 10K D-TRIP

5SJ41058HG42
Siemens
1: £61.08
Non-Stocked Lead-Time 7 Weeks

Mfr. Part No.
5SJ41058HG42

Mouser Part No
982-5SJ41058HG42

Siemens

Circuit Breakers MCB 5SJ4 1P 277V 0.5A 10K D-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 7 Weeks

£61.08

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

500 mA

277 VAC

60 VDC

1 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 1P 240V 6A SAME PH 14K B-TRIP

5SJ41066HG40
Siemens
1: £56.05
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
5SJ41066HG40

Mouser Part No
982-5SJ41066HG40

Siemens

Circuit Breakers MCB 5SJ4 1P 240V 6A SAME PH 14K B-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

£56.05

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

6 A

240 VAC

60 VDC

1 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 1P 240V 6A SAME PH 14K D-TRIP

5SJ41068HG40
Siemens
1: £45.61
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
5SJ41068HG40

Mouser Part No
982-5SJ41068HG40

Siemens

Circuit Breakers MCB 5SJ4 1P 240V 6A SAME PH 14K D-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

£45.61

£37.84

£35.74

£30.91

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

6 A

240 VAC

60 VDC

1 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 1P 240V 6A 14K D-TRIP

5SJ41068HG41
Siemens
1: £57.84
Non-Stocked Lead-Time 7 Weeks

Mfr. Part No.
5SJ41068HG41

Mouser Part No
982-5SJ41068HG41

Siemens

Circuit Breakers MCB 5SJ4 1P 240V 6A 14K D-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 7 Weeks

£57.84

£48.13

£44.39

£36.74

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

6 A

240 VAC

60 VDC

1 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 1P 240V 8A SAME PH 14K D-TRIP

5SJ41088HG40
Siemens
1: £56.05
Non-Stocked Lead-Time 7 Weeks

Mfr. Part No.
5SJ41088HG40

Mouser Part No
982-5SJ41088HG40

Siemens

Circuit Breakers MCB 5SJ4 1P 240V 8A SAME PH 14K D-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 7 Weeks

£56.05

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

8 A

240 VAC

60 VDC

1 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 1P 240V 8A 14K D-TRIP

5SJ41088HG41
Siemens
1: £61.08
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
5SJ41088HG41

Mouser Part No
982-5SJ41088HG41

Siemens

Circuit Breakers MCB 5SJ4 1P 240V 8A 14K D-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 4 Weeks

£61.08

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

8 A

240 VAC

60 VDC

1 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MCB 5SJ4 1P 277V 8A 10K D-TRIP

5SJ41088HG42
Siemens
1: £61.08
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
5SJ41088HG42

Mouser Part No
982-5SJ41088HG42

Siemens

Circuit Breakers MCB 5SJ4 1P 277V 8A 10K D-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

£61.08

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

8 A

277 VAC

60 VDC

1 Pole

Lever

- 25 C

+ 55 C

Non-Illuminated

5SJ4 Miniature Circuit Breakers

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300 mA
500 mA
1 A
1.6 A
2 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
40 A