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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: 151,550

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Part #

Circuit Breakers CH GFCI BREAKER, 30A, PIGTAIL, 10KAIC

CHFN130GF
Eaton Electrical
1: ¥80,149.9
1In Stock
New Product

Mfr. Part #
CHFN130GF

Mouser Part #
504-CHFN130GF

New Product

Eaton Electrical

Circuit Breakers CH GFCI BREAKER, 30A, PIGTAIL, 10KAIC

1In Stock

¥80,149.9

¥70,345

¥63,970.1

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Min.: 1
Mult.: 1

Circuit Breakers FAZ UL 1077 2P 2.5A D CURVE

FAZ-D2.5/2
Eaton Electrical
1: ¥71,736.9
1In Stock
New Product

Mfr. Part #
FAZ-D2.5/2

Mouser Part #
504-FAZ-D2.5/2

New Product

Eaton Electrical

Circuit Breakers FAZ UL 1077 2P 2.5A D CURVE

Datasheet

1In Stock

¥71,736.9

¥59,427.3

¥54,768.2

Min.: 1
Mult.: 1

Circuit Breakers

Miniature

2.5 A

240 VAC, 415 VAC

2 Pole

Handle

- 40 C

+ 75 C

Non-Illuminated

Circuit Breakers HFD-DC BREAKER - LINE & LOAD TERMINALS

HFDDC1060L
Eaton Electrical
1: ¥96,784.8
1In Stock
New Product

Mfr. Part #
HFDDC1060L

Mouser Part #
504-HFDDC1060L

New Product

Eaton Electrical

Circuit Breakers HFD-DC BREAKER - LINE & LOAD TERMINALS

Datasheet

1In Stock

¥96,784.8

¥94,821.5

¥93,454.5

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Min.: 1
Mult.: 1

Circuit Breakers PDG2,3P,35A,25KA/480V,FXFXTMTU

PDG23F0035TFFJ
Eaton Electrical
1: ¥122,684.8
2In Stock
New Product

Mfr. Part #
PDG23F0035TFFJ

Mouser Part #
504-PDG23F0035TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,35A,25KA/480V,FXFXTMTU

Datasheet

2In Stock

¥122,684.8

¥101,631.6

¥93,692

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Min.: 1
Mult.: 1

Circuit Breakers QBHW2015, 2P, 15A 22kAIC, 240V

QBHW2015HT
Eaton Electrical
1: ¥164,595.1
1In Stock
New Product

Mfr. Part #
QBHW2015HT

Mouser Part #
504-QBHW2015HT

New Product

Eaton Electrical

Circuit Breakers QBHW2015, 2P, 15A 22kAIC, 240V

Datasheet

1In Stock

¥164,595.1

¥136,349.8

¥125,661.3

Min.: 1
Mult.: 1

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

FDB3020L
Eaton Electrical
1: ¥212,995
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

¥212,995

Min.: 1
Mult.: 1

Circuit Breakers CB4201-10, 15.0A/TS35

7940102165
Weidmuller
1: ¥16,744.5
96In Stock

Mfr. Part #
7940102165

Mouser Part #
470-7940102165

Weidmuller

Circuit Breakers CB4201-10, 15.0A/TS35

Datasheet

96In Stock

¥16,744.5

¥14,170

¥13,067.1

¥11,329.7

¥9,951.1

Min.: 1
Mult.: 1

CB4201

Circuit Breakers EG 3P 80A adj therm 18kA CB w/end cap

GEB3080AFM
Eaton Electrical
1: ¥194,621
1In Stock
New Product

Mfr. Part #
GEB3080AFM

Mouser Part #
504-GEB3080AFM

New Product

Eaton Electrical

Circuit Breakers EG 3P 80A adj therm 18kA CB w/end cap

Datasheet

1In Stock

¥194,621

Min.: 1
Mult.: 1

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

1-2486200-9
TE Connectivity / P&B
1: ¥656.1
499In Stock
1,000Expected 1/11/2027
New Product

Mfr. Part #
1-2486200-9

Mouser Part #
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

499In Stock

1,000Expected 1/11/2027

¥656.1

¥598

¥576.4

¥453.5

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Min.: 1
Mult.: 1

W52

Circuit Breakers

Thermal

8 A

250 VAC

1 Pole

Rocker

0 C

+ 50 C

Non-Illuminated

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

1110984
Phoenix Contact
1: ¥14,229.8
163In Stock

Mfr. Part #
1110984

Mouser Part #
651-1110984

Phoenix Contact

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

Learn More

Datasheet

163In Stock

¥14,229.8

Min.: 1
Mult.: 1

CAPAROC E2

Circuit Breakers

Electronic

10 A

24 VDC

2 Pole

Lever

- 30 C

+ 65 C

Non-Illuminated

Circuit Breakers CBMC E4 24DC/1-10ANO

2906032
Phoenix Contact
1: ¥19,315.8
403In Stock

Mfr. Part #
2906032

Mouser Part #
651-2906032

Phoenix Contact

Circuit Breakers CBMC E4 24DC/1-10ANO

Learn More

Datasheet

Product Comments

403In Stock

¥19,315.8

Min.: 1
Mult.: 1

CBMC

Circuit Breakers

Electronic

40 A

24 VDC

4 Pole

- 25 C

+ 60 C

Illuminated

Circuit Breakers CBM E4 24DC/0.5-10A NO-R

2905743
Phoenix Contact
1: ¥32,627
135In Stock

Mfr. Part #
2905743

Mouser Part #
651-2905743

Phoenix Contact

Circuit Breakers CBM E4 24DC/0.5-10A NO-R

Learn More

Datasheet

135In Stock

¥32,627

Min.: 1
Mult.: 1

Circuit Breakers

Electronic

40 A

24 VDC

4 Pole

- 25 C

+ 70 C

Non-Illuminated

Bulk

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

2910410
Phoenix Contact
1: ¥35,960.7
85In Stock

Mfr. Part #
2910410

Mouser Part #
651-2910410

Phoenix Contact

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

Learn More

Datasheet

85In Stock

¥35,960.7

Min.: 1
Mult.: 1

Circuit Breakers

Electronic

1 A to 4 A

24 VDC

4 Pole

- 25 C

+ 60 C

Illuminated

Circuit Breakers CIRCUIT BREAKER SWITCH 5A BLACK

W92-X112-5
TE Connectivity / P&B
1: ¥24,258.9
122In Stock

Mfr. Part #
W92-X112-5

Mouser Part #
655-W92-X112-5

TE Connectivity / P&B

Circuit Breakers CIRCUIT BREAKER SWITCH 5A BLACK

Datasheet

122In Stock

¥24,258.9

¥23,763.9

¥23,371.9

¥21,588

Quote

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

Hydraulic Magnetic

5 A

277 VAC

2 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK

W91-X112-30
TE Connectivity / P&B
1: ¥16,266.2
161In Stock

Mfr. Part #
W91-X112-30

Mouser Part #
655-W91-X112-30

TE Connectivity / P&B

Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK

Datasheet

161In Stock

¥16,266.2

¥14,748

¥14,746.4

¥14,670

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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 7A PUSH TO RESET

W28-XQ1A-7
TE Connectivity / P&B
1: ¥478.4
8,635In Stock

Mfr. Part #
W28-XQ1A-7

Mouser Part #
655-W28-XQ1A-7

TE Connectivity / P&B

Circuit Breakers 7A PUSH TO RESET

Datasheet

8,635In Stock

¥478.4

Min.: 1
Mult.: 1

W28

Thermal Circuit Breakers

Thermal Magnetic

7 A

250 VAC

32 VDC

1 Pole

Push to Reset

- 20 C

+ 60 C

Non-Illuminated

Tray

Circuit Breakers

IUGH34-9414-1
AIRPAX
1: ¥24,491.4
2In Stock

Mfr. Part #
IUGH34-9414-1

Mouser Part #
874-IUGH34-9414-1

AIRPAX

Circuit Breakers

2In Stock

¥24,491.4

¥23,204.2

¥21,916.9

¥21,159.5

Min.: 1
Mult.: 1

Circuit Breakers MotBreak GV4PE Therm/Mag 115A 50kA Elink

GV4PE115N
Schneider Electric
1: ¥194,890.1
1In Stock
New At Mouser

Mfr. Part #
GV4PE115N

Mouser Part #
996-GV4PE115N

New At Mouser

Schneider Electric

Circuit Breakers MotBreak GV4PE Therm/Mag 115A 50kA Elink

Datasheet

1In Stock

¥194,890.1

¥182,055.6

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 25A

QOU225H5283
Schneider Electric
1: ¥26,341.8
1In Stock
New At Mouser

Mfr. Part #
QOU225H5283

Mouser Part #
996-QOU225H5283

New At Mouser

Schneider Electric

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 25A

Datasheet

1In Stock

¥26,341.8

¥24,994.7

¥24,639.3

¥21,882

Min.: 1
Mult.: 1

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-0.4A
E-T-A
1: ¥10,416.1
168In Stock

Mfr. Part #
808-H-0.4A

Mouser Part #
457-808-H-0.4A

E-T-A

Datasheet

168In Stock

¥10,416.1

¥8,640.5

¥8,127.3

¥6,738.7

Quote

Min.: 1
Mult.: 1

808

400 mA

24 VDC

1 Pole

Pushbutton

- 30 C

+ 70 C

Non-Illuminated

Circuit Breakers The 3120-N...4 IP65 rated thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N...4 is ideally suite

3120-N324-P7T1-W19FG3-X3120-S01BM-2.5A
E-T-A
1: ¥16,860.8
41In Stock

Mfr. Part #
3120-N324-P7T1-W19FG3-X3120-S01BM-2.5A

Mouser Part #
457-FG3X3120S01BM2.5

E-T-A

Learn More

Datasheet

41In Stock

¥16,860.8

¥16,508.7

¥11,137

¥10,394.5

View

Min.: 1
Mult.: 1

3120-N

Thermal Circuit Breakers

Overcurrent Protection

2.5 A

240 VAC

50 VDC

2 Pole

Rocker

- 30 C

+ 60 C

Illuminated

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 150A

HDF36150
Square D
1: ¥462,375.9
1In Stock
New At Mouser

Mfr. Part #
HDF36150

Mouser Part #
996-HDF36150

New At Mouser

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 150A

Datasheet

1In Stock

¥462,375.9

Min.: 1
Mult.: 1

HDF

Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot

3120-N321-H7M1-W01F-16A
E-T-A
1: ¥10,241.7
40In Stock
50Expected 8/17/2026

Mfr. Part #
3120-N321-H7M1-W01F-16A

Mouser Part #
457-321H7M1W01F16A

E-T-A

Learn More

Datasheet

40In Stock

50Expected 8/17/2026

¥10,241.7

¥8,731.9

¥8,074.1

¥7,089.1

View

Min.: 1
Mult.: 1

3120-N

Thermal Circuit Breakers

Overcurrent Protection

16 A

240 VAC

50 VDC

2 Pole

Rocker

- 30 C

+ 60 C

Non-Illuminated

Circuit Breakers Cir Brkr,HydMag

LELBXB1-1REC4-70014-40
AIRPAX
1: ¥16,988.7
29In Stock

Mfr. Part #
LELBXB1-1REC4-70014-40

Mouser Part #
874-BXB11REC47001440

AIRPAX

Circuit Breakers Cir Brkr,HydMag

Datasheet

29In Stock

¥16,988.7

¥14,831.1

¥10,311.5

¥9,060.8

View

Min.: 1
Mult.: 1

Circuit Breakers Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset, snap action mechanism (R-type TM CBE to EN 60934; M-type with manual release (-H). Available with fast acting and standard magnetic tripping cha

3400-K20-H-5A
E-T-A
1: ¥13,736.5
69In Stock

Mfr. Part #
3400-K20-H-5A

Mouser Part #
457-3400K20H5A

E-T-A

Datasheet

69In Stock

¥13,736.5

¥11,779.8

¥11,063.9

¥9,864.7

View

Min.: 1
Mult.: 1

3400

Thermal Circuit Breakers

Thermal Magnetic

Push to Reset

ABB
Altech
Carling Technologies
Carlo Gavazzi
CCS
Eaton
Electroswitch
E-T-A Circuit Breakers
Hammond
IDEC
Littelfuse
LUTZE
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
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
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 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 VDC
42 VDC
48 VDC
50 VDC