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Circuit Breakers

Circuit breakers are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many circuit breaker manufacturers including ABB, Carling Technologies, Eaton, E-T-A Circuit Breakers, Phoenix Contact, Sensata, Siemens, TE Connectivity & more.
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Results: 147,182

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Part #

Circuit Breakers Single pole thermal-magnetic circuit breaker with tease-free, trip-free, snap action mechanism and two button operation (M-type TM CBE to EN 60934). Designed for plug-in mounting with E-T-A sockets 17-P10-Si, 23-P10-Si, 63-P10-Si; or

3600-P10-SI-3A
E-T-A
1: £87.02
43In Stock

Mfr. Part No.
3600-P10-SI-3A

Mouser Part No
457-3600-P10-SI-3A

E-T-A

Datasheet

43In Stock

£87.02

£70.62

£66.79

£64.74

View

Min.: 1
Mult.: 1

3600

Thermal Circuit Breaker

Thermal Magnetic

3 A

240 VAC

65 VDC

1 Pole

Pushbutton Dual

- 30 C

+ 60 C

Non-Illuminated

Circuit Breakers 1077, 2P, DM, 480VAC/60VDC, C, 10A

4230-T120-K0CE-10A
E-T-A
1: £20.23
436In Stock
50On Order

Mfr. Part No.
4230-T120-K0CE-10A

Mouser Part No
457-4230T120K0CE10

E-T-A

Circuit Breakers 1077, 2P, DM, 480VAC/60VDC, C, 10A

Learn More

Datasheet

436In Stock

50On Order

£20.23

£17.73

£15.75

£12.85

View

Min.: 1
Mult.: 1

4230-T

Miniature Circuit Breaker

Thermal Magnetic

10 A

415 VAC

125 VDC

2 Pole

Toggle

- 35 C

+ 70 C

Non-Illuminated

Circuit Breakers Single pole miniaturised magnetic circuit breakers with unique high-speed operating mechanism and push/pull on/off manual actuation. Fitted with electrically separate excitation and switching circuits, and one pair of auxiliary contac

808-H-0.5A
E-T-A
1: £40.19
44In Stock
49On Order

Mfr. Part No.
808-H-0.5A

Mouser Part No
457-808-H-0.5A

E-T-A

Datasheet

44In Stock

49On Order

£40.19

£34.94

£32.23

£28.88

View

Min.: 1
Mult.: 1

808

Circuit Breaker

Miniature

500 mA

24 VDC

1 Pole

Pushbutton

- 30 C

+ 70 C

Non-Illuminated

Circuit Breakers Cir Brkr Hyd Mag

IELHK11-1REC4-62-20.0-E-01-V
AIRPAX
1: £134.03
13In Stock

Mfr. Part No.
IELHK11-1REC4-62-20.0-E-01-V

Mouser Part No
874-HK111REC46220E1V

AIRPAX

Circuit Breakers Cir Brkr Hyd Mag

Datasheet

13In Stock

£134.03

Min.: 1
Mult.: 1

IEL

Circuit Breakers CIRCUIT BREAKER

IEGHF666-35107-30-V
AIRPAX
1: £170.54
6In Stock

Mfr. Part No.
IEGHF666-35107-30-V

Mouser Part No
874-IEGHF6663510730V

AIRPAX

Circuit Breakers CIRCUIT BREAKER

Learn More

Datasheet

6In Stock

£170.54

Min.: 1
Mult.: 1

IEG

Hydraulic Magnetic Circuit Breaker

Hydraulic Magnetic

30 A

240 VAC

80 VDC

3 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers Cir Brkr Hyd Mag

PP21-1-15.0A-OA-V
AIRPAX
1: £32.56
52In Stock

Mfr. Part No.
PP21-1-15.0A-OA-V

Mouser Part No
874-PP211150AOAV

AIRPAX

Circuit Breakers Cir Brkr Hyd Mag

Learn More

Datasheet

52In Stock

£32.56

Min.: 1
Mult.: 1

Thermal Circuit Breaker

Thermal

15 A

2 Pole

Push-Pull

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit

482-G212-K1M1-A1S0-40A
E-T-A
1: £129.54
53In Stock

Mfr. Part No.
482-G212-K1M1-A1S0-40A

Mouser Part No
457-2G212K1M1A1S040A

E-T-A

Datasheet

53In Stock

£129.54

£107.42

£100.10

£75.80

Min.: 1
Mult.: 1

482

Thermal Circuit Breaker

Thermal

40 A

115 VAC

28 VDC

1 Pole

Push-Pull

- 55 C

+ 75 C

Non-Illuminated

482-G323-J1M1-B2S1-6A
E-T-A
1: £180.17
1In Stock

Mfr. Part No.
482-G323-J1M1-B2S1-6A

Mouser Part No
457-82G323J1M1B2S16A

E-T-A

Datasheet

1In Stock

£180.17

£155.62

£137.98

£132.32

View

Min.: 1
Mult.: 1

482-G

Thermal Circuit Breaker

6 A

115 VAC

28 VDC

1 Pole

Push-Pull

- 55 C

+ 75 C

Non-Illuminated

Circuit Breakers

8345-C11A-U3M1-DB1B2B-8A
E-T-A
1: £104.54
11In Stock

Mfr. Part No.
8345-C11A-U3M1-DB1B2B-8A

Mouser Part No
457-8345C11AU3M1DB1B

E-T-A

Circuit Breakers

Datasheet

11In Stock

£104.54

£86.68

£80.78

£66.52

View

Min.: 1
Mult.: 1

8345

Hydraulic Magnetic Circuit Breaker

Hydraulic Magnetic

8 A

240 VAC, 415 VAC

80 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers

R21-61-7.50A-W02EV
AIRPAX
1: £77.93
2In Stock

Mfr. Part No.
R21-61-7.50A-W02EV

Mouser Part No
874-R21-61-750AW02EV

AIRPAX

Circuit Breakers

Datasheet

2In Stock

£77.93

£73.83

£69.73

£66.67

Min.: 1
Mult.: 1

Thermal Circuit Breaker

Thermal

7.5 A

2 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers

482-G323-J1M1-B2S1-4A
E-T-A
1: £176.66
1In Stock

Mfr. Part No.
482-G323-J1M1-B2S1-4A

Mouser Part No
457-82G323J1M1B2S14A

E-T-A

Circuit Breakers

1In Stock

£176.66

£146.43

£134.97

£111.54

View

Min.: 1
Mult.: 1

482-G

Thermal Circuit Breaker

4 A

115 VAC

28 VDC

1 Pole

Push-Pull

- 55 C

+ 75 C

Non-Illuminated

Circuit Breakers Cir Brkr,HydMag

IULNK1-1REC4-52-50.0-A
AIRPAX
1: £84.78
5In Stock
2On Order

Mfr. Part No.
IULNK1-1REC4-52-50.0-A

Mouser Part No
874-ULNK11REC452500A

AIRPAX

Circuit Breakers Cir Brkr,HydMag

Datasheet

5In Stock

2On Order

£84.78

Min.: 1
Mult.: 1

Circuit Breakers CIRCUIT BREAKER SWITCH 15A WH

W68-X2Q12-15V
TE Connectivity / P&B
1: £166.29
32In Stock

Mfr. Part No.
W68-X2Q12-15V

Mouser Part No
655-W68-X2Q12-15V

TE Connectivity / P&B

Circuit Breakers CIRCUIT BREAKER SWITCH 15A WH

Datasheet

32In Stock

£166.29

£165.85

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breaker

Hydraulic Magnetic

15 A

277 VAC

2 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers M6/M7/M9/W6/W7

W93-X112-30V
TE Connectivity / P&B
1: £197.67
22In Stock

Mfr. Part No.
W93-X112-30V

Mouser Part No
655-W93-X112-30V

TE Connectivity / P&B

Circuit Breakers M6/M7/M9/W6/W7

Datasheet

22In Stock

£197.67

£173.15

£165.67

£160.33

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breaker

Hydraulic Magnetic

30 A

277 VAC

3 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers TMC 71D 04A

1020040
Phoenix Contact
1: £12.61
224In Stock

Mfr. Part No.
1020040

Mouser Part No
651-1020040

Phoenix Contact

Circuit Breakers TMC 71D 04A

Learn More

Datasheet

224In Stock

£12.61

Min.: 1
Mult.: 1

TMC 7

Circuit Breaker

Thermal Magnetic

4 A

277 VAC

60 VDC

1 Pole

Lever

- 35 C

+ 70 C

Non-Illuminated

Circuit Breakers TMC 72D 08A

1020068
Phoenix Contact
1: £28.67
71In Stock

Mfr. Part No.
1020068

Mouser Part No
651-1020068

Phoenix Contact

Circuit Breakers TMC 72D 08A

Learn More

Datasheet

71In Stock

£28.67

Min.: 1
Mult.: 1

TMC 7

Circuit Breaker

Thermal Magnetic

8 A

277 VAC

125 VDC

2 Pole

Lever

- 35 C

+ 70 C

Non-Illuminated

Circuit Breakers TMC 82D 25A

2907666
Phoenix Contact
1: £40.13
53In Stock

Mfr. Part No.
2907666

Mouser Part No
651-2907666

Phoenix Contact

Circuit Breakers TMC 82D 25A

Learn More

Datasheet

53In Stock

£40.13

Min.: 1
Mult.: 1

TMC 8

Circuit Breaker

Thermal Magnetic

25 A

240 VAC

125 VDC

2 Pole

Lever

- 35 C

+ 70 C

Non-Illuminated

Circuit Breakers TMC 83D 02A

2907675
Phoenix Contact
1: £60.20
25In Stock
9On Order

Mfr. Part No.
2907675

Mouser Part No
651-2907675

Phoenix Contact

Circuit Breakers TMC 83D 02A

Learn More

Datasheet

25In Stock

9On Order

£60.20

Min.: 1
Mult.: 1

TMC 8

Circuit Breaker

Thermal Magnetic

2 A

240 VAC

3 Pole

Lever

- 35 C

+ 70 C

Non-Illuminated

Circuit Breakers 0.25A PUSH TO RESET

W28-XQ1A-0.25
TE Connectivity / P&B
1: £5.13
395In Stock

Mfr. Part No.
W28-XQ1A-0.25

Mouser Part No
655-W28-XQ1A-0.25

TE Connectivity / P&B

Circuit Breakers 0.25A PUSH TO RESET

Datasheet

395In Stock

£5.13

£4.76

£4.71

Min.: 1
Mult.: 1

W28

Thermal Circuit Breaker

Thermal Magnetic

250 mA

250 VAC

32 VDC

1 Pole

Push to Reset

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers 0.75A PUSH TO RESET

W28-XQ1A-0.75
TE Connectivity / P&B
1: £4.39
531In Stock

Mfr. Part No.
W28-XQ1A-0.75

Mouser Part No
655-W28-XQ1A-0.75

TE Connectivity / P&B

Circuit Breakers 0.75A PUSH TO RESET

Datasheet

531In Stock

£4.39

£4.08

£4.05

£4.01

Min.: 1
Mult.: 1

W28

Thermal Circuit Breaker

Thermal Magnetic

750 mA

250 VAC

32 VDC

1 Pole

Push to Reset

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers CIRCUIT BREAKER THERMAL 13A BLK

W28-XQ1A-13
TE Connectivity / P&B
1: £2.26
540In Stock

Mfr. Part No.
W28-XQ1A-13

Mouser Part No
655-W28-XQ1A-13

TE Connectivity / P&B

Circuit Breakers CIRCUIT BREAKER THERMAL 13A BLK

Datasheet

540In Stock

£2.26

£2.17

Min.: 1
Mult.: 1

W28

Thermal Circuit Breaker

Thermal Magnetic

13 A

250 VAC

32 VDC

1 Pole

Push to Reset

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers 10A RCKR ACT RED ILL

W51-A121B1-10
TE Connectivity / P&B
1: £3.03
795In Stock

Mfr. Part No.
W51-A121B1-10

Mouser Part No
655-W51-A121B1-10

TE Connectivity / P&B

Circuit Breakers 10A RCKR ACT RED ILL

Datasheet

795In Stock

£3.03

£2.76

£2.74

Min.: 1
Mult.: 1

W51

Circuit Breaker

Thermal

10 A

125 VAC

50 VDC

1 Pole

Rocker

0 C

+ 60 C

Illuminated

Circuit Breakers 20A RCKR ACT RED ILL

W51-A122B1-20
TE Connectivity / P&B
1: £4.65
941In Stock

Mfr. Part No.
W51-A122B1-20

Mouser Part No
655-W51-A122B1-20

TE Connectivity / P&B

Circuit Breakers 20A RCKR ACT RED ILL

Datasheet

941In Stock

£4.65

£3.85

£3.67

£3.15

View

Min.: 1
Mult.: 1

W51

Circuit Breaker

Thermal

20 A

250 VAC

50 VDC

1 Pole

Rocker

0 C

+ 60 C

Illuminated

Circuit Breakers CKTBKR,THERM,ROCK

W51-A151A1-5
TE Connectivity
1: £2.80
730In Stock

Mfr. Part No.
W51-A151A1-5

Mouser Part No
655-W51-A151A1-5

TE Connectivity

Circuit Breakers CKTBKR,THERM,ROCK

Datasheet

730In Stock

£2.80

£2.39

£2.28

Min.: 1
Mult.: 1

W51

Circuit Breaker

Thermal

5 A

125 VAC

50 VDC

1 Pole

Rocker

0 C

+ 50 C

Non-Illuminated

Circuit Breakers CIRCUIT BREAKER THERMAL 15A RED

W51-A161A1-15
TE Connectivity / P&B
1: £2.88
1,072In Stock

Mfr. Part No.
W51-A161A1-15

Mouser Part No
655-W51-A161A1-15

TE Connectivity / P&B

Circuit Breakers CIRCUIT BREAKER THERMAL 15A RED

Datasheet

1,072In Stock

£2.88

£2.47

£2.35

Min.: 1
Mult.: 1

W51

Circuit Breaker

Thermal

15 A

125 VAC

50 VDC

1 Pole

Rocker

0 C

+ 60 C

Non-Illuminated

Circuit Breakers

Customer Service Office

Company

Resources

Support

ABB
Altech
Carling Technologies
Carlo Gavazzi
CCS
Eaton
Electroswitch
E-T-A Circuit Breakers
IDEC
L-Com
Littelfuse
LUTZE
Molex
Murrelektronik
OmniOn Power
Omron
Phoenix Contact
Qualtek
Schneider Electric
Schurter
Sensata
Siemens
TE Connectivity
Transtector
Weidmuller

4D
4E
9
15
18
104
105
127
129
185
187
201
202
203
209
210
211
213
214
217

1-Phase 3-Wire
3-Phase 4-Wire
AC
Adjustable Trip
ATC Footprint
ATM Footprint
Automotive
Auto Reset
Battery Isolation Switch
Box Style
Branch Breaker
B-Trip
Circuit Breaker
Compact
C-Trip
DC
D-Trip
Earth Leakage
Electromagnetic
Electronic

10 mA
12 mA
15 mA
20 mA
25 mA
30 mA
38 mA
40 mA
44 mA
50 mA
60 mA
72 mA
75 mA
78 mA
80 mA
81 mA
90 mA
100 mA
100 mA to 160 mA
100 mA to 630 mA

5 VAC
10 VAC to 240 VAC
20 VAC to 690 VAC
24 VAC
100 VAC
115 VAC
120 VAC
120 VAC, 208 VAC
120 VAC, 240 VAC
120 VAC/240 VAC
125 VAC
125 VAC to 250 VAC
125 VAC, 250 VAC
200 VAC
208 VAC to 277 VAC
208 VAC/120 VAC
215 VAC, 440 VAC
220 VAC to 240 VAC
230 VAC
240 VAC

4 VDC to 8 VDC
6 VDC, 12 VDC
9 VDC to 32 VDC
10 VDC to 30 VDC
10 VDC to 56 VDC
12 VDC
12 VDC, 24 VDC
14 VDC
14.5 VDC
20 VDC to 28 VDC, 50 VDC
23 VDC
24 VDC
24 VDC to 32 VDC
25 VDC
28 VDC
30 VDC
32 VDC
42 VDC
48 VDC
50 VDC