.hide-partial { max-height: none; } .show-more { display: none; }

A Series Circuit Breakers

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 1,674

Applied Filters:

Series = A

Product

Type

Current Rating

Voltage Rating AC

Voltage Rating DC

Number of Poles

Actuator Type

Minimum Operating Temperature

Maximum Operating Temperature

Illuminated

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Circuit Breakers AC2B0346355B1C

AC2-B0-34-635-5B1-C
Carling Technologies
1: $145.16
3Expected 2026-05-18

Mfr. Part #
AC2-B0-34-635-5B1-C

Mouser Part #
691-AC2B346355B1C

Carling Technologies

Circuit Breakers AC2B0346355B1C

Learn More

Datasheet

3Expected 2026-05-18

$145.16

$121.43

$111.43

$104.38

View

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

277 VAC

80 VDC

Circuit Breakers

AC3-X0-02-455-213-D
Carling Technologies
1: $330.12
10Expected 2026-05-27

Mfr. Part #
AC3-X0-02-455-213-D

Mouser Part #
691-AC3X002455213D

Carling Technologies

Circuit Breakers

Learn More

Datasheet

10Expected 2026-05-27

$330.12

$292.25

$262.22

$248.52

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

5.5 A

277 VAC

80 VDC

3 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers

AD2-X0-03-760-1A3-D
Carling Technologies
1: $215.94
10Expected 2026-04-20

Mfr. Part #
AD2-X0-03-760-1A3-D

Mouser Part #
691-AD2X0037601A3D

Carling Technologies

Circuit Breakers

Learn More

Datasheet

10Expected 2026-04-20

$215.94

$192.06

$169.26

$155.85

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

277 VAC

80 VDC

2 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers AF1B046610131D

AF1-B0-46-610-131-D
Carling Technologies
1: $43.03
8Expected 2026-05-11

Mfr. Part #
AF1-B0-46-610-131-D

Mouser Part #
691-AF1B046610131D

Carling Technologies

Circuit Breakers AF1B046610131D

Learn More

Datasheet

8Expected 2026-05-11

$43.03

$40.71

$37.52

$36.98

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

10 A

277 VAC

80 VDC

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers 2 Pole 10 A

AJ2-B0-42-610-1CB-D
Carling Technologies
1: $146.22
5Expected 2026-05-12

Mfr. Part #
AJ2-B0-42-610-1CB-D

Mouser Part #
691-AJ2B0426101CBD

Carling Technologies

Circuit Breakers 2 Pole 10 A

Learn More

Datasheet

5Expected 2026-05-12

$146.22

$104.49

$98.90

$96.90

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

10 A

277 VAC

80 VDC

2 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers A11B014650511E

A11-B0-14-650-511-E
Carling Technologies
1: $60.69
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
A11-B0-14-650-511-E

Mouser Part #
691-A11B014650511E

Carling Technologies

Circuit Breakers A11B014650511E

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$60.69

$58.71

$51.36

$46.20

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

50 A

277 VAC

80 VDC

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers 10A 1 POLE .250 QC FLAT ROCKER RED

A11-B0-34-610-131-E
Carling Technologies
1: $43.19
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
A11-B0-34-610-131-E

Mouser Part #
691-A11B034610131E

Carling Technologies

Circuit Breakers 10A 1 POLE .250 QC FLAT ROCKER RED

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$43.19

$42.69

$42.67

$42.58

View

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

10 A

277 VAC

80 VDC

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers 20A 1 POLE .250 QC FLAT ROCKER RED

A11-B0-34-620-131-E
Carling Technologies
1: $60.08
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
A11-B0-34-620-131-E

Mouser Part #
691-A11B034620131E

Carling Technologies

Circuit Breakers 20A 1 POLE .250 QC FLAT ROCKER RED

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$60.08

$46.76

$45.05

$43.89

View

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

20 A

277 VAC

80 VDC

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers A11B011630112E

A11-B0-11-630-112-E
Carling Technologies
1: $55.64
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
A11-B0-11-630-112-E

Mouser Part #
691-A11B1163112E

Carling Technologies

Circuit Breakers A11B011630112E

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$55.64

$53.14

$44.28

$43.87

View

Min.: 1
Mult.: 1

277 VAC

80 VDC

Circuit Breakers A11B014610B12E

A11-B0-14-610-B12-E
Carling Technologies
1: $52.90
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
A11-B0-14-610-B12-E

Mouser Part #
691-A11B1461B12E

Carling Technologies

Circuit Breakers A11B014610B12E

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$52.90

$46.79

$41.20

$41.02

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

10 A

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers A11B024630111E

A11-B0-24-630-111-E
Carling Technologies
1: $46.89
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
A11-B0-24-630-111-E

Mouser Part #
691-A11B2463111E

Carling Technologies

Circuit Breakers A11B024630111E

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$46.89

$42.70

$41.40

$40.72

View

Min.: 1
Mult.: 1

277 VAC

80 VDC

Circuit Breakers A11B042615111E

A11-B0-42-615-111-E
Carling Technologies
1: $66.04
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
A11-B0-42-615-111-E

Mouser Part #
691-A11B42615111E

Carling Technologies

Circuit Breakers A11B042615111E

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$66.04

$58.70

$57.88

$51.91

View

Min.: 1
Mult.: 1

277 VAC

80 VDC

Circuit Breakers 10A 2 POLE .250 QC FLAT ROCKER RED

A12-B0-34-610-131-E
Carling Technologies
30: $105.65
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
A12-B0-34-610-131-E

Mouser Part #
691-A12B034610131E

Carling Technologies

Circuit Breakers 10A 2 POLE .250 QC FLAT ROCKER RED

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$105.65

$103.57

View

Min.: 30
Mult.: 10

Circuit Breaker

Hydraulic Magnetic

10 A

277 VAC

80 VDC

2 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers A61B014420313MT

A61-B0-14-420-313-MT
Carling Technologies
1: $57.88
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
A61-B0-14-420-313-MT

Mouser Part #
691-A61B1442313MT

Carling Technologies

Circuit Breakers A61B014420313MT

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$57.88

$51.81

$48.57

$48.25

View

Min.: 1
Mult.: 1

277 VAC

80 VDC

Circuit Breakers 10 Amp 1 POLE

AA1-B0-34-610-3D1-C
Carling Technologies
1: $47.68
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
AA1-B0-34-610-3D1-C

Mouser Part #
691-AA1-B0-346103D1C

Carling Technologies

Circuit Breakers 10 Amp 1 POLE

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

$47.68

$42.40

$38.16

$37.22

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

10 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers 15 Amp 1 POLE

AA1-B0-34-615-3D1-C
Carling Technologies
1: $36.55
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
AA1-B0-34-615-3D1-C

Mouser Part #
691-AA1-B0-346153D1C

Carling Technologies

Circuit Breakers 15 Amp 1 POLE

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

$36.55

$36.27

$30.87

$28.37

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

15 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers 20 Amp 1 POLE

AA1-B0-34-620-3D1-C
Carling Technologies
1: $55.80
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
AA1-B0-34-620-3D1-C

Mouser Part #
691-AA1-B0-346203D1C

Carling Technologies

Circuit Breakers 20 Amp 1 POLE

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

$55.80

$46.28

$33.20

$32.77

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

20 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers 30 Amp 1 POLE

AA1-B0-34-630-3D1-C
Carling Technologies
1: $41.61
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
AA1-B0-34-630-3D1-C

Mouser Part #
691-AA1-B0-346303D1C

Carling Technologies

Circuit Breakers 30 Amp 1 POLE

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$41.61

$40.75

$35.75

$35.47

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

30 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers 20 Amp 1 POLE

AA1-B0-46-620-1B1-C
Carling Technologies
1: $62.09
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
AA1-B0-46-620-1B1-C

Mouser Part #
691-AA1-B0-466201B1C

Carling Technologies

Circuit Breakers 20 Amp 1 POLE

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$62.09

$55.75

$36.00

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

20 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers AA1B0216303B1C

AA1-B0-21-630-3B1-C
Carling Technologies
1: $45.53
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
AA1-B0-21-630-3B1-C

Mouser Part #
691-AA1-B0216303B1C

Carling Technologies

Circuit Breakers AA1B0216303B1C

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$45.53

$45.01

$40.57

$39.77

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

30 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers AA1F0344251D1C

AA1-F0-34-425-1D1-C
Carling Technologies
1: $43.96
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
AA1-F0-34-425-1D1-C

Mouser Part #
691-AA1-F0344251D1C

Carling Technologies

Circuit Breakers AA1F0344251D1C

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$43.96

$43.26

$39.97

$39.65

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

2.5 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers AA1A0036305D1C

AA1-A0-03-630-5D1-C
Carling Technologies
1: $46.71
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
AA1-A0-03-630-5D1-C

Mouser Part #
691-AA1A3635D1C

Carling Technologies

Circuit Breakers AA1A0036305D1C

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$46.71

$38.76

$35.75

$29.63

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

30 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers AA1A0036505G1C

AA1-A0-03-650-5G1-C
Carling Technologies
1: $46.71
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
AA1-A0-03-650-5G1-C

Mouser Part #
691-AA1A3655G1C

Carling Technologies

Circuit Breakers AA1A0036505G1C

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$46.71

$38.76

$35.35

$33.59

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

50 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers AA1B0102502D1I

AA1-B0-10-250-2D1-I
Carling Technologies
1: $68.38
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
AA1-B0-10-250-2D1-I

Mouser Part #
691-AA1B0102502D1I

Carling Technologies

Circuit Breakers AA1B0102502D1I

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$68.38

$61.26

$50.58

$47.78

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

500 mA

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers AA1B0104501D2C

AA1-B0-10-450-1D2-C
Carling Technologies
1: $38.42
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
AA1-B0-10-450-1D2-C

Mouser Part #
691-AA1B0104501D2C

Carling Technologies

Circuit Breakers AA1B0104501D2C

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$38.42

$35.72

$33.02

$32.66

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

5 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

A Series Circuit Breakers

Mouser Electronics®

Company

Resources

Support

38 mA
50 mA
78 mA
100 mA
180 mA
300 mA
400 mA
500 mA
850 mA
1 A
1.4 A
2 A
2.25 A
2.5 A
3 A
3.5 A
4 A
5 A
5.5 A
6 A