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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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Please view our large selection of circuit breakers below.

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Results: 146,152

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Part #

Circuit Breakers 508,DM,24VDC,CL,1-2-4,ATX,

REX22D-TD2-100-DC24V-1A/2A/4A-E
E-T-A
1: $129.78
4In Stock
New Product

Mfr. Part No.
REX22D-TD2-100-DC24V-1A/2A/4A-E

Mouser Part No
457-REX22DTD2124E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,1-2-4,ATX,

Learn More

Datasheet

4In Stock

$129.78

$107.60

$99.22

$82.06

View

Min.: 1
Mult.: 1

REX22D

Breaker Module

1 A, 2 A, 4 A

24 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers 508,DM,24VDC,CL,2CH,1-10A,ATX

REX22D-TE2-100-DC24V-1A-10A-E
E-T-A
1: $126.85
4In Stock
New Product

Mfr. Part No.
REX22D-TE2-100-DC24V-1A-10A-E

Mouser Part No
457-REX22DTE21A10AE

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,2CH,1-10A,ATX

Learn More

Datasheet

4In Stock

$126.85

$105.18

$96.98

$80.21

View

Min.: 1
Mult.: 1

REX22D

Breaker Module

1 A to 10 A

24 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers PTCB TM1 10A M1 NO P

1575580
Phoenix Contact
1: $29.51
30In Stock
New Product

Mfr. Part No.
1575580

Mouser Part No
651-1575580

New Product

Phoenix Contact

Circuit Breakers PTCB TM1 10A M1 NO P

Learn More

Datasheet

30In Stock

$29.51

$25.50

Min.: 1
Mult.: 1

Circuit Breaker

Thermal Magnetic

10 A

10 VAC to 240 VAC

10 VDC to 56 VDC

1 Pole

- 30 C

+ 60 C

Non-Illuminated

Circuit Breakers 508,DM,24VDC,CL,10-16-20,ATX

REX22D-TD1-100-DC24V-10A/16A/20A-E
E-T-A
1: $112.58
4In Stock
New Product

Mfr. Part No.
REX22D-TD1-100-DC24V-10A/16A/20A-E

Mouser Part No
457-REX22DTD1101620E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,10-16-20,ATX

Learn More

Datasheet

4In Stock

$112.58

$95.05

$90.05

$75.05

View

Min.: 1
Mult.: 1

REX22D

Breaker Module

10 A, 16 A, 20 A

24 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers 508,DM,24VDC,CL,16A,ATX

REX22D-TA1-100-DC24V-16A-E
E-T-A
1: $106.55
3In Stock
New Product

Mfr. Part No.
REX22D-TA1-100-DC24V-16A-E

Mouser Part No
457-REX22DTA116E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,16A,ATX

Learn More

Datasheet

3In Stock

$106.55

$89.96

$85.24

$71.02

View

Min.: 1
Mult.: 1

REX22D

Breaker Module

16 A

24 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers 508,DM,24VDC,CL,2,3,4..6,8,10,ATX

REX22D-TD2-100-DC24V-2/3/4A - 6/8/10A-E
E-T-A
1: $129.78
4In Stock
New Product

Mfr. Part No.
REX22D-TD2-100-DC24V-2/3/4A - 6/8/10A-E

Mouser Part No
457-REX22DTD2234681E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,2,3,4..6,8,10,ATX

Learn More

Datasheet

4In Stock

$129.78

$107.60

$99.22

$82.06

View

Min.: 1
Mult.: 1

REX22D

Breaker Module

2 A, 3 A, 4 A, 6 A, 8 A, 10 A

24 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers 508,DM,24VDC,CL,2-4-6,ATX

REX22D-TD2-100-DC24V-2A/4A/6A-E
E-T-A
1: $129.78
7In Stock
New Product

Mfr. Part No.
REX22D-TD2-100-DC24V-2A/4A/6A-E

Mouser Part No
457-REX22DTD22A4A6AE

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,2-4-6,ATX

Learn More

Datasheet

7In Stock

$129.78

$107.60

$99.22

$82.06

View

Min.: 1
Mult.: 1

REX22D

Breaker Module

2 A, 4 A, 6 A

24 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers 508,DM,24VDC,CL,2CH,1-3.6,CL2,ATX

REX22D-TE2-100-DC24V-1A-3,6A-CL2-E
E-T-A
1: $126.85
4In Stock
New Product

Mfr. Part No.
REX22D-TE2-100-DC24V-1A-3,6A-CL2-E

Mouser Part No
457-REX22DTE2136CLE

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,2CH,1-3.6,CL2,ATX

Learn More

Datasheet

4In Stock

$126.85

$105.18

$96.98

$80.21

$74.05

Min.: 1
Mult.: 1

REX22D

Breaker Module

1 A to 3.6 A

24 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers PTCB TM1 2A F2 NO P

1509520
Phoenix Contact
1: $29.51
20In Stock
New Product

Mfr. Part No.
1509520

Mouser Part No
651-1509520

New Product

Phoenix Contact

Circuit Breakers PTCB TM1 2A F2 NO P

Learn More

Datasheet

20In Stock

$29.51

$25.50

Min.: 1
Mult.: 1

Circuit Breaker

Thermal Magnetic

2 A

10 VAC to 240 VAC

10 VDC to 56 VDC

1 Pole

- 30 C

+ 60 C

Non-Illuminated

Circuit Breakers PTCB TM1 6A F2 NO P

1509529
Phoenix Contact
1: $29.51
30In Stock
New Product

Mfr. Part No.
1509529

Mouser Part No
651-1509529

New Product

Phoenix Contact

Circuit Breakers PTCB TM1 6A F2 NO P

Learn More

Datasheet

30In Stock

$29.51

$25.50

Min.: 1
Mult.: 1

Circuit Breaker

Thermal Magnetic

6 A

10 VAC to 240 VAC

10 VDC to 56 VDC

1 Pole

- 30 C

+ 60 C

Non-Illuminated

Circuit Breakers PTCB TM1 1A M1 NO P

1575557
Phoenix Contact
1: $29.51
33In Stock
New Product

Mfr. Part No.
1575557

Mouser Part No
651-1575557

New Product

Phoenix Contact

Circuit Breakers PTCB TM1 1A M1 NO P

Learn More

Datasheet

33In Stock

$29.51

$25.50

Min.: 1
Mult.: 1

Circuit Breaker

Thermal Magnetic

1 A

10 VAC to 240 VAC

10 VDC to 56 VDC

1 Pole

- 30 C

+ 60 C

Non-Illuminated

Circuit Breakers PTCB TM1 8A M1 NO P

1575573
Phoenix Contact
1: $29.51
40In Stock
New Product

Mfr. Part No.
1575573

Mouser Part No
651-1575573

New Product

Phoenix Contact

Circuit Breakers PTCB TM1 8A M1 NO P

Learn More

Datasheet

40In Stock

$29.51

$25.50

Min.: 1
Mult.: 1

Circuit Breaker

Thermal Magnetic

8 A

10 VAC to 240 VAC

10 VDC to 56 VDC

1 Pole

- 30 C

+ 60 C

Non-Illuminated

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

REX22D-TA1-100-DC24V-12A-E
E-T-A
1: $106.55
4In Stock
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

4In Stock

$106.55

$89.96

$85.24

$71.02

View

Min.: 1
Mult.: 1

REX22D

Breaker Module

12 A

24 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers 508,DM,24VDC,CL,2-3-3.6,CL2,ATX

REX22D-TD2-100-DC24V-2A/3A/3,6A-CL2-E
E-T-A
1: $129.78
4In Stock
New Product

Mfr. Part No.
REX22D-TD2-100-DC24V-2A/3A/3,6A-CL2-E

Mouser Part No
457-REX22DTD22336CLE

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,2-3-3.6,CL2,ATX

Learn More

Datasheet

4In Stock

$129.78

$107.60

$99.22

$82.06

$75.77

Min.: 1
Mult.: 1

REX22D

Breaker Module

2 A, 3 A, 3.6 A

24 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers 508,DM,24VDC,CL,10-12-15,ATX

REX22D-TD1-100-DC24V-10A/12A/15A-E
E-T-A
1: $112.58
4In Stock
New Product

Mfr. Part No.
REX22D-TD1-100-DC24V-10A/12A/15A-E

Mouser Part No
457-REX22DTD1101215E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,10-12-15,ATX

Learn More

Datasheet

4In Stock

$112.58

$95.05

$90.05

$75.05

View

Min.: 1
Mult.: 1

REX22D

Breaker Module

10 A, 12 A, 15 A

24 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers 508,DM,24VDC,CL,12-16-20,ATX

REX22D-TD1-100-DC24V-12A/16A/20A-E
E-T-A
1: $112.38
6In Stock
New Product

Mfr. Part No.
REX22D-TD1-100-DC24V-12A/16A/20A-E

Mouser Part No
457-REX22DTD1121620E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,12-16-20,ATX

Learn More

Datasheet

6In Stock

$112.38

$94.87

$89.89

$74.91

View

Min.: 1
Mult.: 1

REX22D

Breaker Module

12 A, 16 A, 20 A

24 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers 508,DM,24VDC,CL,20A,ATX

REX22D-TA1-100-DC24V-20A-E
E-T-A
1: $106.55
5In Stock
New Product

Mfr. Part No.
REX22D-TA1-100-DC24V-20A-E

Mouser Part No
457-REX22DTA120E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,20A,ATX

Learn More

Datasheet

5In Stock

$106.55

$89.96

$85.24

$71.02

View

Min.: 1
Mult.: 1

REX22D

Breaker Module

20 A

24 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers PTCB TM1 4A F2 NO P

1509524
Phoenix Contact
1: $29.51
20In Stock
New Product

Mfr. Part No.
1509524

Mouser Part No
651-1509524

New Product

Phoenix Contact

Circuit Breakers PTCB TM1 4A F2 NO P

Learn More

Datasheet

20In Stock

$29.51

$25.50

Min.: 1
Mult.: 1

Circuit Breaker

Thermal Magnetic

4 A

10 VAC to 240 VAC

10 VDC to 56 VDC

1 Pole

- 30 C

+ 60 C

Non-Illuminated

Circuit Breakers W52-A162A1-8=CKTBKR,THERM,ROCK,QC.250RED OPAQUE 250VAC

1-2486200-9
TE Connectivity / P&B
1: $3.63
750In Stock
New Product

Mfr. Part No.
1-2486200-9

Mouser Part No
655-1-2486200-9

New Product

TE Connectivity / P&B

Circuit Breakers W52-A162A1-8=CKTBKR,THERM,ROCK,QC.250RED OPAQUE 250VAC

Learn More

Datasheet

750In Stock

$3.63

$3.30

$3.19

$2.51

View

Min.: 1
Mult.: 1

W52

Circuit Breaker

Thermal

8 A

250 VAC

1 Pole

Rocker

0 C

+ 50 C

Non-Illuminated

Circuit Breakers C Series 120A DC Hydraulic/Magnetic Circuit Breaker, UL489A, Black Handle

CA1-P0-D6-812-321-MT
Carling Technologies
1: $65.76
8In Stock
New Product

Mfr. Part No.
CA1-P0-D6-812-321-MT

Mouser Part No
691-CA1-P0D6812321MT

New Product

Carling Technologies

Circuit Breakers C Series 120A DC Hydraulic/Magnetic Circuit Breaker, UL489A, Black Handle

Datasheet

8In Stock

$65.76

$54.54

$50.32

$41.65

View

Min.: 1
Mult.: 1

Bulk

Circuit Breakers CBMC E4 24DC/1-4A+ IOL

2910410
Phoenix Contact
1: $164.73
103In Stock

Mfr. Part No.
2910410

Mouser Part No
651-2910410

Phoenix Contact

Circuit Breakers CBMC E4 24DC/1-4A+ IOL

Learn More

Datasheet

103In Stock

$164.73

$151.50

Min.: 1
Mult.: 1

Circuit Breaker

Electronic

1 A to 4 A

24 VDC

4 Pole

- 25 C

+ 60 C

Illuminated

Circuit Breakers CBMC E4 24DC/1-10A IOL

2910411
Phoenix Contact
1: $165.03
100In Stock

Mfr. Part No.
2910411

Mouser Part No
651-2910411

Phoenix Contact

Circuit Breakers CBMC E4 24DC/1-10A IOL

Learn More

Datasheet

100In Stock

$165.03

Min.: 1
Mult.: 1

Circuit Breaker

Electronic

1 A to 10 A

24 VDC

4 Pole

- 25 C

+ 60 C

Illuminated

Circuit Breakers CAPAROC PM IOL

1115670
Phoenix Contact
1: $93.45
41In Stock

Mfr. Part No.
1115670

Mouser Part No
651-1115670

Phoenix Contact

Circuit Breakers CAPAROC PM IOL

Learn More

Datasheet

41In Stock

$93.45

Min.: 1
Mult.: 1

Circuit Breaker

Feed-In Module

45 A

10 VDC to 30 VDC

2 Pole

Non-Illuminated

Circuit Breakers CB4201-10, 15.0A/TS35

7940102165
Weidmuller
1: $93.11
96In Stock

Mfr. Part No.
7940102165

Mouser Part No
470-7940102165

Weidmuller

Circuit Breakers CB4201-10, 15.0A/TS35

Datasheet

96In Stock

$93.11

$76.56

$58.46

$57.55

$55.78

Min.: 1
Mult.: 1

CB4201

Circuit Breakers CAPAROC E2 12-24DC/2-10A

1110984
Phoenix Contact
1: $85.54
169In Stock

Mfr. Part No.
1110984

Mouser Part No
651-1110984

Phoenix Contact

Circuit Breakers CAPAROC E2 12-24DC/2-10A

Learn More

Datasheet

169In Stock

$85.54

$78.67

Min.: 1
Mult.: 1

Circuit Breaker

Electronic

10 A

24 VDC

2 Pole

Lever

- 30 C

+ 65 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