.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 277 VAC 80 VDC 1 Pole

AT1-X0-09-960-PC1-C
Carling Technologies
1: $100.13
1In Stock
New At Mouser

Mfr. Part No.
AT1-X0-09-960-PC1-C

Mouser Part No
691-AT1-X0-09960PC1C

New At Mouser

Carling Technologies

Circuit Breakers 277 VAC 80 VDC 1 Pole

Datasheet

1In Stock

$100.13

$83.77

$79.36

$66.14

View

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

277 VAC

80 VDC

1 Pole

Handle

Circuit Breakers 18mA, 1 Pole, On-Off Black

AA1-X0-18-118-XD1-C
Carling Technologies
1: $44.71
16In Stock

Mfr. Part No.
AA1-X0-18-118-XD1-C

Mouser Part No
691-AA1X018118XD1C

Carling Technologies

Circuit Breakers 18mA, 1 Pole, On-Off Black

Learn More

Datasheet

16In Stock

$44.71

$38.41

$32.65

$29.06

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic-Magnetic

180 mA

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Bulk

Circuit Breakers Hydraulic/Magnetic Circt Brkr 3-Pole 4A

AB3-X0-01-440-1G1-C
Carling Technologies
1: $145.39
1In Stock

Mfr. Part No.
AB3-X0-01-440-1G1-C

Mouser Part No
691-AB3X0014401G1C

Carling Technologies

Circuit Breakers Hydraulic/Magnetic Circt Brkr 3-Pole 4A

Learn More

Datasheet

1In Stock

$145.39

$110.07

$98.56

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic-Magnetic

4 A

277 VAC

80 VDC

3 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers AA2B0246205D2C

AA2-B0-24-620-5D2-C
Carling Technologies
1: $62.00
22In Stock

Mfr. Part No.
AA2-B0-24-620-5D2-C

Mouser Part No
691-AA2B0246205D2C

Carling Technologies

Circuit Breakers AA2B0246205D2C

Learn More

Datasheet

22In Stock

$62.00

$55.32

$49.26

$46.75

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic-Magnetic

20 A

277 VAC

80 VDC

2 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers 25A 2 POLE .250 QC FLAT ROCKER RED

A12-B0-34-625-131-E
Carling Technologies
1: $105.96
2In Stock

Mfr. Part No.
A12-B0-34-625-131-E

Mouser Part No
691-A12B034625131E

Carling Technologies

Circuit Breakers 25A 2 POLE .250 QC FLAT ROCKER RED

Learn More

Datasheet

2In Stock

$105.96

$68.85

$68.84

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic-Magnetic

25 A

277 VAC

80 VDC

2 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers 7.5 Amp 1 POLE

AA1-B0-34-475-3D1-C
Carling Technologies
1: $43.43
7In Stock

Mfr. Part No.
AA1-B0-34-475-3D1-C

Mouser Part No
691-AA1-B0-344753D1C

Carling Technologies

Circuit Breakers 7.5 Amp 1 POLE

Learn More

Datasheet

7In Stock

$43.43

$43.40

$25.35

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic-Magnetic

7.5 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers 30A 1P Blk Act Screw Trm

AA1-A0-03-630-2D1-C
Carling Technologies
1: $31.80
10In Stock

Mfr. Part No.
AA1-A0-03-630-2D1-C

Mouser Part No
691-AA1A0036302D1C

Carling Technologies

Circuit Breakers 30A 1P Blk Act Screw Trm

Learn More

Datasheet

10In Stock

$31.80

$20.05

$19.55

$19.40

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 1-pole, Handle, 2.5 amp circuit breaker, Screw 8-32 with upturned lugs terminals, UL 1077 Recognized CSA Accepted

AA1-B0-10-425-2D1-C
Carling Technologies
1: $44.65
5In Stock

Mfr. Part No.
AA1-B0-10-425-2D1-C

Mouser Part No
691-AA1B0104252D1C

Carling Technologies

Circuit Breakers 1-pole, Handle, 2.5 amp circuit breaker, Screw 8-32 with upturned lugs terminals, UL 1077 Recognized CSA Accepted

Learn More

Datasheet

5In Stock

$44.65

$38.88

$27.49

$22.77

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 1-pole, Handle, 2.5 amp circuit breaker, Screw 8-32 with upturned lugs terminals, UL 1077 Recognized CSA Accepted

AA1-B0-11-425-2D1-C
Carling Technologies
1: $55.02
47In Stock

Mfr. Part No.
AA1-B0-11-425-2D1-C

Mouser Part No
691-AA1B0114252D1C

Carling Technologies

Circuit Breakers 1-pole, Handle, 2.5 amp circuit breaker, Screw 8-32 with upturned lugs terminals, UL 1077 Recognized CSA Accepted

Learn More

Datasheet

47In Stock

$55.02

$46.25

$37.01

$30.53

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 AA1B0114501B1C

AA1-B0-11-450-1B1-C
Carling Technologies
1: $26.11
1In Stock

Mfr. Part No.
AA1-B0-11-450-1B1-C

Mouser Part No
691-AA1B0114501B1C

Carling Technologies

Circuit Breakers AA1B0114501B1C

Learn More

Datasheet

1In Stock

$26.11

$25.30

$25.14

$21.88

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic-Magnetic

5 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers AA1B0116221B1C

AA1-B0-11-622-1B1-C
Carling Technologies
1: $35.44
5In Stock

Mfr. Part No.
AA1-B0-11-622-1B1-C

Mouser Part No
691-AA1B0116221B1C

Carling Technologies

Circuit Breakers AA1B0116221B1C

Learn More

Datasheet

5In Stock

$35.44

$24.48

$21.75

$21.56

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic-Magnetic

22 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers 15A CIRCUIT BREAKER

AA1-B0-12-615-1B1-C
Carling Technologies
1: $35.44
27In Stock

Mfr. Part No.
AA1-B0-12-615-1B1-C

Mouser Part No
691-AA1B0126151B1C

Carling Technologies

Circuit Breakers 15A CIRCUIT BREAKER

Learn More

Datasheet

27In Stock

$35.44

$25.95

$25.42

$23.59

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 1P ON-OFF 30 A Threaded 6-32X.195

AA1-B0-20-630-1B1-C
Carling Technologies
1: $34.86
3In Stock

Mfr. Part No.
AA1-B0-20-630-1B1-C

Mouser Part No
691-AA1B0206301B1C

Carling Technologies

Circuit Breakers 1P ON-OFF 30 A Threaded 6-32X.195

Learn More

Datasheet

3In Stock

$34.86

$33.10

$23.26

$22.36

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 AA1B0246155D1C

AA1-B0-24-615-5D1-C
Carling Technologies
1: $37.97
23In Stock

Mfr. Part No.
AA1-B0-24-615-5D1-C

Mouser Part No
691-AA1B0246155D1C

Carling Technologies

Circuit Breakers AA1B0246155D1C

Learn More

Datasheet

23In Stock

$37.97

$28.89

$23.84

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 1-pole, Handle, 20 amp circuit breaker, Push-On 0.250 Tab (Q.C.) terminals, UL 1077 Recognized CSA Accepted

AA1-B0-24-620-1B1-C
Carling Technologies
1: $23.95
12In Stock

Mfr. Part No.
AA1-B0-24-620-1B1-C

Mouser Part No
691-AA1B0246201B1C

Carling Technologies

Circuit Breakers 1-pole, Handle, 20 amp circuit breaker, Push-On 0.250 Tab (Q.C.) terminals, UL 1077 Recognized CSA Accepted

Learn More

Datasheet

12In Stock

$23.95

$20.54

$19.40

$17.40

$16.92

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 AA1B0246304D1C

AA1-B0-24-630-4D1-C
Carling Technologies
1: $35.67
6In Stock

Mfr. Part No.
AA1-B0-24-630-4D1-C

Mouser Part No
691-AA1B0246304D1C

Carling Technologies

Circuit Breakers AA1B0246304D1C

Learn More

Datasheet

6In Stock

$35.67

$25.37

$24.48

$23.91

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 AA1B0264501B1C

AA1-B0-26-450-1B1-C
Carling Technologies
1: $35.45
25In Stock

Mfr. Part No.
AA1-B0-26-450-1B1-C

Mouser Part No
691-AA1B0264501B1C

Carling Technologies

Circuit Breakers AA1B0264501B1C

Learn More

Datasheet

25In Stock

$35.45

$35.44

$25.95

$20.82

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic-Magnetic

5 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers 1-pole, Handle, 15 amp circuit breaker, Screw 8-32 Bus Type terminals, UL 1077 Recognized CSA Accepted

AA1-B0-26-615-3D1-C
Carling Technologies
1: $35.91
2In Stock
11Expected 2026/03/20

Mfr. Part No.
AA1-B0-26-615-3D1-C

Mouser Part No
691-AA1B0266153D1C

Carling Technologies

Circuit Breakers 1-pole, Handle, 15 amp circuit breaker, Screw 8-32 Bus Type terminals, UL 1077 Recognized CSA Accepted

Learn More

Datasheet

2In Stock

11Expected 2026/03/20

$35.91

$29.80

$27.49

$22.77

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 AA1B0344501B1C

AA1-B0-34-450-1B1-C
Carling Technologies
1: $23.86
5In Stock

Mfr. Part No.
AA1-B0-34-450-1B1-C

Mouser Part No
691-AA1B0344501B1C

Carling Technologies

Circuit Breakers AA1B0344501B1C

Learn More

Datasheet

5In Stock

$23.86

$19.02

$18.95

$17.99

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic-Magnetic

5 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers CIRCUIT BREAKER

AA1-B0-34-450-3D1-C
Carling Technologies
1: $25.11
4In Stock

Mfr. Part No.
AA1-B0-34-450-3D1-C

Mouser Part No
691-AA1B0344503D1C

Carling Technologies

Circuit Breakers CIRCUIT BREAKER

Learn More

Datasheet

4In Stock

$25.11

$23.75

$23.43

$22.97

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic-Magnetic

5 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers 55.5A 1pole DC 50/60Hz Swtch Only

AA1-B0-34-475-5D1-C
Carling Technologies
1: $36.82
3In Stock

Mfr. Part No.
AA1-B0-34-475-5D1-C

Mouser Part No
691-AA1B0344755D1C

Carling Technologies

Circuit Breakers 55.5A 1pole DC 50/60Hz Swtch Only

Learn More

Datasheet

3In Stock

$36.82

$34.90

$25.68

$24.70

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic-Magnetic

7.5 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers CIRC BREAKER Hyd/Mag,3 POLE,15AMP

AA1-B0-34-610-1B1-C
Carling Technologies
1: $39.39
11In Stock

Mfr. Part No.
AA1-B0-34-610-1B1-C

Mouser Part No
691-AA1B0346101B1C

Carling Technologies

Circuit Breakers CIRC BREAKER Hyd/Mag,3 POLE,15AMP

Learn More

Datasheet

11In Stock

$39.39

$37.47

$25.95

$22.88

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 1-pole, Handle, 10 amp circuit breaker, Screw 8-32 Bus Type terminals, UL 1077 Recognized CSA Accepted

AA1-B0-34-610-3B1-C
Carling Technologies
1: $34.95
23In Stock

Mfr. Part No.
AA1-B0-34-610-3B1-C

Mouser Part No
691-AA1B0346103B1C

Carling Technologies

Circuit Breakers 1-pole, Handle, 10 amp circuit breaker, Screw 8-32 Bus Type terminals, UL 1077 Recognized CSA Accepted

Learn More

Datasheet

23In Stock

$34.95

$29.82

$29.33

$22.77

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic-Magnetic

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers 1-pole, Handle, 15 amp circuit breaker, Screw 8-32 Bus Type terminals, UL 1077 Recognized CSA Accepted

AA1-B0-34-615-3B1-C
Carling Technologies
1: $35.94
20In Stock

Mfr. Part No.
AA1-B0-34-615-3B1-C

Mouser Part No
691-AA1B0346153B1C

Carling Technologies

Circuit Breakers 1-pole, Handle, 15 amp circuit breaker, Screw 8-32 Bus Type terminals, UL 1077 Recognized CSA Accepted

Learn More

Datasheet

20In Stock

$35.94

$29.82

$27.50

$22.77

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 AA1B0346155D1I

AA1-B0-34-615-5D1-I
Carling Technologies
1: $33.68
1In Stock

Mfr. Part No.
AA1-B0-34-615-5D1-I

Mouser Part No
691-AA1B0346155D1I

Carling Technologies

Circuit Breakers AA1B0346155D1I

Learn More

Datasheet

1In Stock

$33.68

$28.28

$25.17

$24.95

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic-Magnetic

15 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

A Series Circuit Breakers

Customer Service Office

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