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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: 151,423

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Part #

Circuit Breakers 4P 63A 30 MA RCCB TYPE G/A

167109
Eaton Electrical
1: $1,869.39
1In Stock
New Product

Mfr. Part #
167109

Mouser Part #
504-167109

New Product

Eaton Electrical

Circuit Breakers 4P 63A 30 MA RCCB TYPE G/A

Datasheet

1In Stock

$1,869.39

Min.: 1
Mult.: 1

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

CA1-P0-D6-812-321-MT
Carling Technologies
1: $85.46
4In Stock
New Product

Mfr. Part #
CA1-P0-D6-812-321-MT

Mouser Part #
691-CA1-P0D6812321MT

New Product

Carling Technologies

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

Datasheet

4In Stock

$85.46

$70.90

$65.40

$54.13

View

Min.: 1
Mult.: 1

Bulk

Circuit Breakers 2P 250AMP HMCP

HM2P250J5
Eaton Electrical
1: $3,106.86
1In Stock
New Product

Mfr. Part #
HM2P250J5

Mouser Part #
504-HM2P250J5

New Product

Eaton Electrical

Circuit Breakers 2P 250AMP HMCP

Datasheet

1In Stock

$3,106.86

Min.: 1
Mult.: 1

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

REX22D-TD1-100-DC24V-10A/16A/20A-E
E-T-A
1: $146.34
8In Stock
New Product

Mfr. Part #
REX22D-TD1-100-DC24V-10A/16A/20A-E

Mouser Part #
457-REX22DTD1101620E

New Product

E-T-A

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

Learn More

Datasheet

8In Stock

$146.34

$123.54

$98.97

$98.18

View

Min.: 1
Mult.: 1

REX22D

Circuit Breakers

10 A, 16 A, 20 A

24 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers PDG1,3P,45A,65KA/480V,50C FXFXTMTU

PDG13M0045VFFJ
Eaton Electrical
1: $990.90
1In Stock
New Product

Mfr. Part #
PDG13M0045VFFJ

Mouser Part #
504-PDG13M0045VFFJ

New Product

Eaton Electrical

Circuit Breakers PDG1,3P,45A,65KA/480V,50C FXFXTMTU

Datasheet

1In Stock

$990.90

Min.: 1
Mult.: 1

Circuit Breakers PDG2,2P,125A,65KA/480V,FXFXTMTU

PDG22M0125TFFL
Eaton Electrical
1: $1,375.74
1In Stock
New Product

Mfr. Part #
PDG22M0125TFFL

Mouser Part #
504-PDG22M0125TFFL

New Product

Eaton Electrical

Circuit Breakers PDG2,2P,125A,65KA/480V,FXFXTMTU

Datasheet

1In Stock

$1,375.74

Min.: 1
Mult.: 1

Circuit Breakers PDG2,3P,60A,65KA/480V,FXFXTMTU

PDG23M0060TFFL
Eaton Electrical
1: $1,017.86
1In Stock
New Product

Mfr. Part #
PDG23M0060TFFL

Mouser Part #
504-PDG23M0060TFFL

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,60A,65KA/480V,FXFXTMTU

Datasheet

1In Stock

$1,017.86

Min.: 1
Mult.: 1

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

REX22D-TD2-100-DC24V-1A/2A/4A-E
E-T-A
1: $138.09
4In Stock
New Product

Mfr. Part #
REX22D-TD2-100-DC24V-1A/2A/4A-E

Mouser Part #
457-REX22DTD2124E

New Product

E-T-A

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

Learn More

Datasheet

4In Stock

$138.09

$115.31

$107.16

Min.: 1
Mult.: 1

REX22D

Circuit Breakers

1 A, 2 A, 4 A

24 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers 508,DM,24VDC,CL,6-8-10,ATX

REX22D-TD2-100-DC24V-6A/8A/10A-E
E-T-A
1: $138.09
7In Stock
New Product

Mfr. Part #
REX22D-TD2-100-DC24V-6A/8A/10A-E

Mouser Part #
457-REX22DTD26810E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,6-8-10,ATX

Learn More

Datasheet

7In Stock

$138.09

$115.31

$107.16

Min.: 1
Mult.: 1

REX22D

Circuit Breakers

6 A, 8 A, 10 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: $134.97
4In Stock
New Product

Mfr. Part #
REX22D-TE2-100-DC24V-1A-10A-E

Mouser Part #
457-REX22DTE21A10AE

New Product

E-T-A

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

Learn More

Datasheet

4In Stock

$134.97

$112.50

$104.75

Min.: 1
Mult.: 1

REX22D

Circuit Breakers

1 A to 10 A

24 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers Type BR Breaker 100A/2 Pole 120/240V 10K

BR2100
Eaton Electrical
1: $584.39
3In Stock
New Product

Mfr. Part #
BR2100

Mouser Part #
504-BR2100

New Product

Eaton Electrical

Circuit Breakers Type BR Breaker 100A/2 Pole 120/240V 10K

Datasheet

3In Stock

$584.39

$484.11

$446.23

View

Min.: 1
Mult.: 1

Circuit Breakers EHD 1P 25A W/O TERM W/KPR1A L&L

EHD1025WD01
Eaton Electrical
1: $517.58
1In Stock
New Product

Mfr. Part #
EHD1025WD01

Mouser Part #
504-EHD1025WD01

New Product

Eaton Electrical

Circuit Breakers EHD 1P 25A W/O TERM W/KPR1A L&L

Datasheet

1In Stock

$517.58

$366.11

$346.45

View

Min.: 1
Mult.: 1

Circuit Breakers EHD 1P 70A W/O TERMS. W/KPR1A L & L ENDS

EHD1070WD01
Eaton Electrical
1: $1,029.38
1In Stock
New Product

Mfr. Part #
EHD1070WD01

Mouser Part #
504-EHD1070WD01

New Product

Eaton Electrical

Circuit Breakers EHD 1P 70A W/O TERMS. W/KPR1A L & L ENDS

Datasheet

1In Stock

$1,029.38

$857.70

$820.73

View

Min.: 1
Mult.: 1

Circuit Breakers UL/CSA/IEC SLASH RTD TM MCCB 80A 3P

NZMB1-A80-NA
Eaton Electrical
1: $1,625.08
1In Stock
2Expected 10/8/2026
New Product

Mfr. Part #
NZMB1-A80-NA

Mouser Part #
504-NZMB1-A80-NA

New Product

Eaton Electrical

Circuit Breakers UL/CSA/IEC SLASH RTD TM MCCB 80A 3P

Datasheet

1In Stock

2Expected 10/8/2026

$1,625.08

Min.: 1
Mult.: 1

Circuit Breakers PDG2,1P,60A,25KA/480V,FXFXTMTU

PDG21F0060TFFJ
Eaton Electrical
1: $517.02
1In Stock
New Product

Mfr. Part #
PDG21F0060TFFJ

Mouser Part #
504-PDG21F0060TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG2,1P,60A,25KA/480V,FXFXTMTU

Datasheet

1In Stock

$517.02

$428.30

$394.81

View

Min.: 1
Mult.: 1

Circuit Breakers PDG2,3P,175A,65KA/480V,FXFXTMTU

PDG23M0175TFFL
Eaton Electrical
1: $1,732.22
1In Stock
New Product

Mfr. Part #
PDG23M0175TFFL

Mouser Part #
504-PDG23M0175TFFL

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,175A,65KA/480V,FXFXTMTU

Datasheet

1In Stock

$1,732.22

Min.: 1
Mult.: 1

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

REX22D-TA1-100-DC24V-16A-E
E-T-A
1: $113.83
15In Stock
New Product

Mfr. Part #
REX22D-TA1-100-DC24V-16A-E

Mouser Part #
457-REX22DTA116E

New Product

E-T-A

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

Learn More

Datasheet

15In Stock

$113.83

$93.69

$92.31

$87.07

Min.: 1
Mult.: 1

REX22D

Circuit Breakers

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: $138.09
4In Stock
New Product

Mfr. Part #
REX22D-TD2-100-DC24V-2/3/4A - 6/8/10A-E

Mouser Part #
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

$138.09

$115.31

$107.16

Min.: 1
Mult.: 1

REX22D

Circuit Breakers

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: $138.09
13In Stock
New Product

Mfr. Part #
REX22D-TD2-100-DC24V-2A/4A/6A-E

Mouser Part #
457-REX22DTD22A4A6AE

New Product

E-T-A

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

Learn More

Datasheet

13In Stock

$138.09

$115.31

$107.16

Min.: 1
Mult.: 1

REX22D

Circuit Breakers

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: $134.97
9In Stock
New Product

Mfr. Part #
REX22D-TE2-100-DC24V-1A-3,6A-CL2-E

Mouser Part #
457-REX22DTE2136CLE

New Product

E-T-A

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

Learn More

Datasheet

9In Stock

$134.97

$112.50

$104.75

Min.: 1
Mult.: 1

REX22D

Circuit Breakers

1 A to 3.6 A

24 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers FDB 3P 20A TRIP, 600V CLASS, LINE & LOAD

FDB3020L
Eaton Electrical
1: $1,680.22
1In Stock
New Product

Mfr. Part #
FDB3020L

Mouser Part #
504-FDB3020L

New Product

Eaton Electrical

Circuit Breakers FDB 3P 20A TRIP, 600V CLASS, LINE & LOAD

Datasheet

1In Stock

$1,680.22

Min.: 1
Mult.: 1

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

REX22D-TD1-100-DC24V-10A/12A/15A-E
E-T-A
1: $119.78
20In Stock
New Product

Mfr. Part #
REX22D-TD1-100-DC24V-10A/12A/15A-E

Mouser Part #
457-REX22DTD1101215E

New Product

E-T-A

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

Learn More

Datasheet

20In Stock

$119.78

$98.97

$97.54

$91.99

Min.: 1
Mult.: 1

REX22D

Circuit Breakers

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: $146.34
5In Stock
New Product

Mfr. Part #
REX22D-TD1-100-DC24V-12A/16A/20A-E

Mouser Part #
457-REX22DTD1121620E

New Product

E-T-A

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

Learn More

Datasheet

5In Stock

$146.34

$123.54

$98.97

$98.18

View

Min.: 1
Mult.: 1

REX22D

Circuit Breakers

12 A, 16 A, 20 A

24 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers 1PH/BR LC 70A MLO 2/4 Cir Al Bus N3R

BR24L70RP
Eaton Electrical
1: $482.79
1In Stock
New Product

Mfr. Part #
BR24L70RP

Mouser Part #
504-BR24L70RP

New Product

Eaton Electrical

Circuit Breakers 1PH/BR LC 70A MLO 2/4 Cir Al Bus N3R

Datasheet

1In Stock

$482.79

$418.35

$381.15

View

Min.: 1
Mult.: 1

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: $138.09
4In Stock
New Product

Mfr. Part #
REX22D-TD2-100-DC24V-2A/3A/3,6A-CL2-E

Mouser Part #
457-REX22DTD22336CLE

New Product

E-T-A

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

Learn More

Datasheet

4In Stock

$138.09

$115.31

$107.16

Min.: 1
Mult.: 1

REX22D

Circuit Breakers

2 A, 3 A, 3.6 A

24 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers

Customer Service Office

Company

Resources

Support

ABB
Altech
Carling Technologies
Carlo Gavazzi
CCS
Eaton
Electroswitch
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 Breaker
D-Trip
Earth Leakage
Electronic
E-Trip
Fastbus
Feed-In Module

380 uA
500 uA
750 uA
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
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
240 VAC, 277 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