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Circuit Breakers

Circuit breakers are in stock with same-day shipping at Mouser from 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, Schurter, Siemens, TE Connectivity & more.
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Results: 151,567

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Part #

Circuit Breakers TMC 83C 01A

2907607
Phoenix Contact
1: $64.71
39In Stock

Mfr. Part No.
2907607

Mouser Part No
651-2907607

Phoenix Contact

Circuit Breakers TMC 83C 01A

Learn More

Datasheet

39In Stock

$64.71

Min.: 1
Mult.: 1

TMC 8

Circuit Breakers

Thermal Magnetic

1 A

240 VAC

3 Pole

Lever

- 35 C

+ 70 C

Non-Illuminated

Circuit Breakers DC-Circuit Protector,4 out,UL2

S8V-CP0424S
Omron Automation and Safety
1: $503.51
21In Stock

Mfr. Part No.
S8V-CP0424S

Mouser Part No
653-S8V-CP0424S

Omron Automation and Safety

Circuit Breakers DC-Circuit Protector,4 out,UL2

Learn More

Datasheet

21In Stock

$503.51

$474.92

$398.27

Min.: 1
Mult.: 1

S8V-CP

Circuit Breakers

Electronic

3.8 A

24 VDC

4 Pole

Pushbutton

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers 10A 2-P Illum Amber P1 & P2 Trip QC

W33-T4B1Q-10
TE Connectivity / P&B
1: $97.28
213In Stock

Mfr. Part No.
W33-T4B1Q-10

Mouser Part No
655-W33-T4B1Q-10

TE Connectivity / P&B

Circuit Breakers 10A 2-P Illum Amber P1 & P2 Trip QC

Datasheet

213In Stock

$97.28

$88.19

$85.20

Quote

Min.: 1
Mult.: 1

W33

Circuit Breakers

Thermal

10 A

250 VAC

50 VDC

2 Pole

Rocker

- 20 C

+ 60 C

Illuminated

Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK

W91-X112-30
TE Connectivity / P&B
1: $97.95
158In Stock

Mfr. Part No.
W91-X112-30

Mouser Part No
655-W91-X112-30

TE Connectivity / P&B

Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK

Datasheet

158In Stock

$97.95

$90.05

$88.80

$88.34

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

Hydraulic Magnetic

30 A

277 VAC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers CIRCUIT BREAKER SWITCH 20A BLK

W91-X152-20
TE Connectivity / P&B
1: $97.42
109In Stock

Mfr. Part No.
W91-X152-20

Mouser Part No
655-W91-X152-20

TE Connectivity / P&B

Circuit Breakers CIRCUIT BREAKER SWITCH 20A BLK

Datasheet

109In Stock

$97.42

$94.61

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

Hydraulic Magnetic

20 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers W28-XQ1A-16 CIRCUIT BREAKERS

W28-XQ1A-16
TE Connectivity / P&B
1: $4.73
1,385In Stock

Mfr. Part No.
W28-XQ1A-16

Mouser Part No
655-W28-XQ1A-16

TE Connectivity / P&B

Circuit Breakers W28-XQ1A-16 CIRCUIT BREAKERS

Datasheet

1,385In Stock

$4.73

$4.23

$3.23

Min.: 1
Mult.: 1

W28

Thermal Circuit Breakers

Thermal Magnetic

16 A

250 VAC

32 VDC

1 Pole

Push to Reset

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers 5A ROCKR ACT RED ILL

W51-A122B1-5
TE Connectivity / P&B
1: $5.40
499In Stock

Mfr. Part No.
W51-A122B1-5

Mouser Part No
655-W51-A122B1-5

TE Connectivity / P&B

Circuit Breakers 5A ROCKR ACT RED ILL

Datasheet

499In Stock

$5.40

$4.83

$4.42

$4.16

View

Min.: 1
Mult.: 1

W51

Circuit Breakers

Thermal

5 A

250 VAC

50 VDC

1 Pole

Rocker

0 C

+ 50 C

Illuminated

Circuit Breakers CIRCUIT BRKER 1POLE 8Amps Rocker

W51-A122B1-8
TE Connectivity / P&B
1: $5.56
706In Stock

Mfr. Part No.
W51-A122B1-8

Mouser Part No
655-W51-A122B1-8

TE Connectivity / P&B

Circuit Breakers CIRCUIT BRKER 1POLE 8Amps Rocker

Datasheet

706In Stock

$5.56

$4.87

$4.33

$4.09

View

Min.: 1
Mult.: 1

W51

Circuit Breakers

Thermal

8 A

250 VAC

50 VDC

1 Pole

Rocker

0 C

+ 50 C

Illuminated

Tray

Circuit Breakers CIRCUIT BREAKER SWITCH 7A WHITE

W68-X2Q12-7
TE Connectivity / P&B
1: $173.51
14In Stock

Mfr. Part No.
W68-X2Q12-7

Mouser Part No
655-W68-X2Q12-7

TE Connectivity / P&B

Circuit Breakers CIRCUIT BREAKER SWITCH 7A WHITE

Datasheet

14In Stock

$173.51

$158.94

$150.33

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

Hydraulic Magnetic

7 A

277 VAC

2 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers ETA Circuit Breakers

4130-G411-K4M1-50A
E-T-A
1: $94.77
69In Stock

Mfr. Part No.
4130-G411-K4M1-50A

Mouser Part No
457-4130G411K4M150A

E-T-A

Circuit Breakers ETA Circuit Breakers

Datasheet

69In Stock

$94.77

$78.60

$72.48

$61.43

$55.21

Min.: 1
Mult.: 1

4130

Thermal Circuit Breakers

Thermal Magnetic

50 A

240 VAC

50 VDC

1 Pole

Push-Pull

- 30 C

+ 60 C

Non-Illuminated

Circuit Breakers TMC 71B 50A

1019926
Phoenix Contact
1: $16.19
98In Stock

Mfr. Part No.
1019926

Mouser Part No
651-1019926

Phoenix Contact

Circuit Breakers TMC 71B 50A

Learn More

Datasheet

98In Stock

$16.19

Min.: 1
Mult.: 1

TMC 7

Circuit Breakers

Thermal Magnetic

50 A

277 VAC

60 VDC

1 Pole

Lever

- 35 C

+ 70 C

Non-Illuminated

Circuit Breakers TMC 72C 32A

1020010
Phoenix Contact
1: $34.52
71In Stock

Mfr. Part No.
1020010

Mouser Part No
651-1020010

Phoenix Contact

Circuit Breakers TMC 72C 32A

Learn More

Datasheet

71In Stock

$34.52

Min.: 1
Mult.: 1

TMC 7

Circuit Breakers

Thermal Magnetic

32 A

277 VAC

125 VDC

2 Pole

Lever

- 35 C

+ 70 C

Non-Illuminated

Circuit Breakers TMC 71D 05A

1020041
Phoenix Contact
1: $17.26
181In Stock

Mfr. Part No.
1020041

Mouser Part No
651-1020041

Phoenix Contact

Circuit Breakers TMC 71D 05A

Learn More

Datasheet

181In Stock

$17.26

Min.: 1
Mult.: 1

TMC 7

Circuit Breakers

Thermal Magnetic

5 A

277 VAC

60 VDC

1 Pole

Lever

- 35 C

+ 70 C

Non-Illuminated

Circuit Breakers TMC 71D 16A

1020051
Phoenix Contact
1: $16.19
111In Stock

Mfr. Part No.
1020051

Mouser Part No
651-1020051

Phoenix Contact

Circuit Breakers TMC 71D 16A

Learn More

Datasheet

111In Stock

$16.19

Min.: 1
Mult.: 1

TMC 7

Circuit Breakers

Thermal Magnetic

16 A

277 VAC

60 VDC

1 Pole

Lever

- 35 C

+ 70 C

Non-Illuminated

Circuit Breakers TMC 81C 25A

2907574
Phoenix Contact
1: $21.57
306In Stock

Mfr. Part No.
2907574

Mouser Part No
651-2907574

Phoenix Contact

Circuit Breakers TMC 81C 25A

Learn More

Datasheet

306In Stock

$21.57

Min.: 1
Mult.: 1

TMC 8

Circuit Breakers

Thermal Magnetic

25 A

120 VAC

60 VDC

1 Pole

Lever

- 35 C

+ 70 C

Non-Illuminated

Circuit Breakers TMC 81C 63A

2907581
Phoenix Contact
1: $21.90
374In Stock

Mfr. Part No.
2907581

Mouser Part No
651-2907581

Phoenix Contact

Circuit Breakers TMC 81C 63A

Learn More

Datasheet

374In Stock

$21.90

Min.: 1
Mult.: 1

TMC 8

Circuit Breakers

Thermal Magnetic

63 A

120 VAC

60 VDC

1 Pole

Lever

- 35 C

+ 70 C

Non-Illuminated

Circuit Breakers W51-A151A1-10=CKTBKR THERM ROCK

1-1423673-7
TE Connectivity / P&B
1: $5.37
587In Stock

Mfr. Part No.
1-1423673-7

Mouser Part No
655-1-1423673-7

TE Connectivity / P&B

Circuit Breakers W51-A151A1-10=CKTBKR THERM ROCK

Datasheet

587In Stock

$5.37

$4.62

$4.11

$3.93

View

Min.: 1
Mult.: 1

W51

Circuit Breakers

Supplementary Protector

10 A

125 VAC

50 VDC

1 Pole

Rocker

0 C

+ 60 C

Non-Illuminated

Circuit Breakers 1POLE 12Amps Therm Circuit Brker

W28-XT1A-12
TE Connectivity / P&B
1: $3.81
915In Stock

Mfr. Part No.
W28-XT1A-12

Mouser Part No
655-W28-XT1A-12

TE Connectivity / P&B

Circuit Breakers 1POLE 12Amps Therm Circuit Brker

Datasheet

915In Stock

$3.81

$3.65

$3.23

Min.: 1
Mult.: 1

W28

Thermal Circuit Breakers

Thermal Magnetic

12 A

250 VAC

32 VDC

1 Pole

Push to Reset

- 20 C

+ 60 C

Non-Illuminated

Bulk

Circuit Breakers 5A ROCKR ACT NON-ILL

W51-A152A1-5
TE Connectivity / P&B
1: $5.40
2,504In Stock

Mfr. Part No.
W51-A152A1-5

Mouser Part No
655-W51-A152A1-5

TE Connectivity / P&B

Circuit Breakers 5A ROCKR ACT NON-ILL

Datasheet

2,504In Stock

$5.40

$4.61

$4.00

$3.99

Min.: 1
Mult.: 1

W51

Circuit Breakers

Thermal

5 A

250 VAC

50 VDC

1 Pole

Rocker

0 C

+ 60 C

Non-Illuminated

Circuit Breakers CIRCUIT BREAKER THERMAL

W58-XB1A4A-1.50
TE Connectivity / P&B
1: $8.90
229In Stock

Mfr. Part No.
W58-XB1A4A-1.50

Mouser Part No
655-W58-XB1A4A-1.50

TE Connectivity / P&B

Circuit Breakers CIRCUIT BREAKER THERMAL

Datasheet

229In Stock

$8.90

$8.87

$8.25

$7.85

View

Min.: 1
Mult.: 1

W58

Thermal Circuit Breakers

Thermal Magnetic

1.5 A

250 VAC

50 VDC

1 Pole

Push to Reset

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers 10A MCB CCHAR 3 PL 480Y/277VAC UL508

3C10UM
Altech
1: $61.84
32In Stock

Mfr. Part No.
3C10UM

Mouser Part No
845-3C10UM

Altech

Circuit Breakers 10A MCB CCHAR 3 PL 480Y/277VAC UL508

Learn More

Datasheet

32In Stock

$61.84

$60.22

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

10 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers Mico Pro electronic circuit protection, 4 channel IN: 24 V DC OUT: 24 V DC / 4 A CL2

9000-41014-0400001
Murrelektronik
1: $242.80
14In Stock

Mfr. Part No.
9000-41014-0400001

Mouser Part No
867-9000410140400001

Murrelektronik

Circuit Breakers Mico Pro electronic circuit protection, 4 channel IN: 24 V DC OUT: 24 V DC / 4 A CL2

Learn More

Datasheet

14In Stock

$242.80

Min.: 1
Mult.: 1

Circuit Breakers

MICO

40 A

12 VDC, 24 VDC

4 Pole

- 25 C

+ 55 C

Non-Illuminated

Bulk

Circuit Breakers 508,DM,24VDC,CL,12A,ATX

REX22D-TA1-100-DC24V-12A-E
E-T-A
1: $87.57
42In Stock
88On Order
New Product

Mfr. Part No.
REX22D-TA1-100-DC24V-12A-E

Mouser Part No
457-REX22DTA112E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,12A,ATX

Learn More

Datasheet

42In Stock

88On Order

$87.57

$72.08

$71.02

$66.99

Min.: 1
Mult.: 1

REX22D

Circuit Breakers

12 A

24 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers Cir Brkr, HydMag, 3 pl, 80VDC/250VAC,20A, sealed

AP116-7064-258
AIRPAX
1: $1,773.61
1In Stock

Mfr. Part No.
AP116-7064-258

Mouser Part No
874-AP116-7064-258

AIRPAX

Circuit Breakers Cir Brkr, HydMag, 3 pl, 80VDC/250VAC,20A, sealed

Learn More

Datasheet

1In Stock

$1,773.61

$1,537.10

Min.: 1
Mult.: 1

Circuit Breakers

Hydraulic Magnetic

20 A

250 VAC

80 VDC

3 Pole

Toggle

- 40 C

+ 100 C

Non-Illuminated

Circuit Breakers CIRCUIT BREAKER

AP12-87056-024
AIRPAX
1: $1,704.81
3In Stock

Mfr. Part No.
AP12-87056-024

Mouser Part No
874-AP128705624

AIRPAX

Circuit Breakers CIRCUIT BREAKER

Learn More

Datasheet

3In Stock

$1,704.81

$1,477.57

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

Hydraulic Magnetic

240 VAC

50 VDC

2 Pole

Toggle

- 40 C

+ 100 C

Non-Illuminated

Circuit Breakers

Customer Service Office

Company

Resources

Support

ABB
Altech
Carling Technologies
Carlo Gavazzi
CCS
Eaton
E-T-A Circuit Breakers
Hammond
IDEC
Littelfuse
LUTZE
MEAN WELL
Molex
Murrelektronik
OmniOn Power
Omron
Panduit
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

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
DC Breaker
DC Circuit Breaker
D-Trip
Earth Leakage
Electronic
E-Trip

0.38 mA
0.5 mA
0.75 mA
1 mA
5 mA
10 mA
11 mA
12 mA
15 mA
20 mA
21 mA
22 mA
25 mA
30 mA
38 mA
40 mA
44 mA
48 mA
49 mA
50 mA

5 VAC
10 VAC to 240 VAC
20 VAC to 690 VAC
24 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
215 VAC, 440 VAC
220 VAC to 240 VAC
230 VAC
240 V
240 VAC
240 VAC, 250 VAC, 415 VAC

0 VDC to 800 VDC
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
23 VDC
24 VDC
24 VDC to 32 VDC
25 VDC
28 VDC
30 VDC
32 V
32 VDC
42 VDC
48 VDC