Best Westinghouse Circuit Breakers in 2026

Daisy
Last Updated: Feb 8, 2026

At a Glance: Our Top Picks for Westinghouse Circuit Breakers

Carling Technologies Circuit Breaker, Thermal, 1P, 250V, 20A - CLB-203-11A3N-B-A
#TOP1
Carling Technologies Circuit Breaker, Thermal, 1P, 250V, 20A
5.5
PM SCORE
CARLING TECHNOLOGIES AA1-B0-34-610-3B1-C Magnetic Hydraulic Circuit Breaker, A Series, 10 A, 1 Pole, 277 V, 5 kA, 100 s
#TOP2
Carling Technologies Aa1-B0-34-610-3B1-C Magnetic Hydraulic Circuit Breaker, A
5.1
PM SCORE
Magnetic Hydraulic Circuit Breaker, A Series, 30 A, 2 Pole, 277 V, 5 kA
#TOP3
Magnetic Hydraulic Circuit Breaker, A Series, 30 A,
5.1
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Westinghouse Circuit Breakers of 2026

Market Overview
Westinghouse Circuit Breakers Reviewed
  • Reviews Analyzed: 50 Items
  • PM Avg. Rating: 3.1 / 10
17 Products Evaluated
  • Highest Price: $123.46
  • Lowest Price: $3.01
  • Avg. Price: $31.97

Carling Technologies Circuit Breaker, Thermal, 1P, 250V, 20A - Clb-203-11A3N-B-A

CARLING TECHNOLOGIES
CLB-203-11A3N-B-A
1.38 X 0.57 X 2.31 Inches
0.14 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Maguire Store 5.35

Features

<b>Price For:</b> Each <b> Voltage Rating VDC:</b> 32V <b> Current Rating:</b> 20A <b> No. of Poles:</b> 1 <b> Circuit Breaker Mounting:</b> Panel <b> Series:</b> CLB <b> Operating Voltage:</b> 250V <b>RoHS Compliant:</b> Yes

Carling Technologies Aa1-B0-34-610-3B1-C Magnetic Hydraulic Circuit Breaker, A Series, 10 A, 1 Pole, 277 V, 5 Ka, 100 S

MATERRO(TM)
AA1-B0-34-610-3B1-C
9.00 X 6.00 X 1.00 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Data Alchemy 8.60

Features

No Aux Switch

8-32 Screw terminals (bus type) (2)

On-Off Legend

10 AMP's

Delay: 34

Magnetic Hydraulic Circuit Breaker, A Series, 30 A, 2 Pole, 277 V, 5 Ka

CARLING TECHNOLOGIES
AB2-A0-03-630-2D1-C
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Relay Specialties (Authorized Distributor) 6.09

Features

<b>Price For:</b> Each <b>Product Range</b>: A Series <b>Current Rating</b>: 30A <b>No. of Poles</b>: 2 Pole <b>Input Voltage VAC</b>: 277V <b>Trip Time</b>: - <b>Interrupting Capacity</b>: 5kA <b>Dielectric Strength</b>: 1.5kV

Carling Technologies Circuit Breaker, Thermal, 1P, 250V, 25A - Clb-253-11A3N-B-A

CARLING TECHNOLOGIES
CLB-253-11A3N-B-A
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Data Alchemy 8.60

Features

<b>Price For:</b> Each <b> Voltage Rating VDC:</b> 32V <b> Current Rating:</b> 25A <b> No. of Poles:</b> 1 <b> Circuit Breaker Mounting:</b> Panel <b> Series:</b> CLB <b> Operating Voltage:</b> 250V <b>RoHS Compliant:</b> Yes

Thermal Circuit Breaker, C1005B Series, 250 V, 32 V, 15 A, 1 Pole, Panel

CARLING TECHNOLOGIES
C1005B-3B151BR3
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
KHC Shop 9.55

Features

<b>Price For:</b> Each <b>Product Range</b>: C1005B Series <b>Voltage Rating VAC</b>: 250V <b>Voltage Rating VDC</b>: 32V <b>Current Rating</b>: 15A <b>No. of Poles</b>: 1 Pole <b>Circuit Breaker Mounting</b>: Panel

Carling Technologies Thermal Circuit Breaker, 1 Pole, 10A - Clb-103-11B3A-B-A

CARLING TECHNOLOGIES
CLB-103-11B3A-B-A
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Data Alchemy 8.60

Features

<b>Price For:</b> Each <b>Product Range</b>: CLB Series <b>Voltage Rating VAC</b>: 250V <b>Voltage Rating VDC</b>: 32V <b>Current Rating</b>: 10A <b>No. of Poles</b>: 1 Pole <b>Circuit Breaker Mounting</b>: Panel

Magnetic Circuit Breaker 2P 10 Amp 250Vac/80Vdc

CARLING TECHNOLOGIES
BA2-BO-34-610-111-D
3.80 X 2.80 X 1.60 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Nygmat 9.69

Features

Price For: Each Max. AIR Rating: Not Rated Switch Type: Toggle DC Voltage Rating: 80VDC Mounting Type: Panel, #6-32 Thread Max. Wire Size: Not Specified AIR @ 120VAC: Not Rated Circuit Breaker Type: Magnetic Item: Circuit Breaker Phase: 1 AIR @ 125VDC: Not Rated Curve Type: Medium Standards: UL Recognized/CSA Accepted/VDE Certified AIR @ 240VAC: 1.5KA

Terminal Connection: 1/4" Tab Width: 1.50" Number of Poles: 2 Length: 2.00" Depth: 2.13" AC Voltage Rating: 250VAC Amps: 10 AIR @ 65VDC: 7.5KA Country of Origin (subject to change): Mexico

Carling Technologies Circuit Breaker, Thermal, 1P, 250V, 5A - Cmb-053-11C3N-B-A

CARLING TECHNOLOGIES
CMB-053-11C3N-B-A
0.04 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Data Alchemy 8.60

Features

<b>Price For:</b> Each <b> Voltage Rating VDC:</b> 32V <b> Current Rating:</b> 5A <b> No. of Poles:</b> 1 <b> Circuit Breaker Mounting:</b> Panel <b> Series:</b> CMB <b> Operating Voltage:</b> 250V <b> Trip Time (Seconds):</b> 4-40 <b>RoHS Compliant:</b> Yes

Thermal Circuit Breaker 1P 5 Amp 250Vac/32Vdc

CARLING TECHNOLOGIES
CLB-053-27E3N-W-A/05
2.50 X 1.50 X 1.00 Inches
0.08 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
KHC Shop 9.57

Features

Price For: Each AC Voltage Rating: 250VAC Max. AIR Rating: Not Rated AIR @ 120VAC: Not Rated Circuit Breaker Type: Thermal Terminal Connection: 1/4" Tab Item: Circuit Breaker Phase: 1 AIR @ 125VDC: Not Rated Number of Poles: 1 AIR @ 65VDC: Not Rated Curve Type: Medium Standards: UL/cUL/CSA/TUV/CE/UL 1500/ISO8846 for Ignition Protection/Marine Max. Wire Size: 14 AWG

Amps: 5 AIR @ 240VAC: 0.2KA Switch Type: Push Button Mounting Type: 3/8" Collar Width: 0.57" Length: 1.38" Depth: 2.31" DC Voltage Rating: 32VDC Country of Origin (subject to change): Taiwan

Ba2-B0-34-620-121-D - Magnetic Hydraulic Circuit Breaker, B Series, 20 A, 2 Pole, 277 V, 20 S, 5 Ka

CARLING TECHNOLOGIES
BA2-B0-34-620-121-D
0.04 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Witonics of USA 9.84

Features

Circuit Breakers 20 A TWO POLE

Carling Technologies Circuit Breaker, Thermal, 1P, 250V, 10A - Clb-103-11A3N-B-A

CARLING TECHNOLOGIES
CLB-103-11A3N-B-A
0.04 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
VoyageSupply 9.70

Features

<b>Price For:</b> Each <b> Voltage Rating VDC:</b> 32V <b> Current Rating:</b> 10A <b> No. of Poles:</b> 1 <b> Circuit Breaker Mounting:</b> Panel <b> Series:</b> CLB <b> Operating Voltage:</b> 250V <b>RoHS Compliant:</b> Yes

Ca2-B0-34-610-121-C - Magnetic Hydraulic Circuit Breaker, C Series, 10 A, 2 Pole, 277 V, 100 S, 5 Ka

CARLING TECHNOLOGIES
CA2-B0-34-610-121-C
0.04 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Online Components - com 6.08

Features

<b>Price For:</b> Each <b>Product Range</b>: C Series <b>Current Rating</b>: 10A <b>No. of Poles</b>: 2 Pole <b>Input Voltage VAC</b>: 277V <b>Trip Time</b>: 100s <b>Interrupting Capacity</b>: 5kA <b>Dielectric Strength</b>: 1.96kV

Carling Technologies Boat Circuit Breaker | 125-250V 5 Amp Push To Reset

GENERIC
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Great Lakes Skipper 8.36

Features

Part Manufacturer: Carling

Material: Marine Grade Plastic; Color: Black

Electrical: 125-250V 5 amp; Overall Dimension: 1 3/8" W x 1/2" H x 2 3/8"" D

Connection: 2 Single Spade Male

Sold as seen in pictures. Customers please note every computer shows colors differently. All measurements are approximate. Hardware and instruction / installation manual not included.

1P Magnetic Circuit Breaker 5A 250Vac

CARLING TECHNOLOGIES
MA1-B-34-450-1-A26-B-E
2.70 X 0.90 X 3.60 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
DataAlchemy 9.40

Features

Price For: Each AC Voltage Rating: 250VAC Max. AIR Rating: Not Rated Standards: UL 1077/CSA Accepted/TUV Certified Switch Type: Rocker DC Voltage Rating: 80VDC Mounting Type: Snap-In Max. Wire Size: Not Specified Length: 1.56" Circuit Breaker Type: Magnetic Terminal Connection: 1/4" Tab Item: Circuit Breaker Phase: 1 AIR @ 125VDC: Not Rated AIR @ 65VDC: Not Rated

Depth: 1.90" Curve Type: Medium Amps: 5 Width: 0.77" Number of Poles: 1 Country of Origin (subject to change): Mexico

Aa1-B0-34-450-3B1-C - Magnetic Hydraulic Circuit Breaker, A Series, 5 A, 1 Pole, 277 V, 100 S, 5 Ka

CARLING TECHNOLOGIES
AA1-B0-34-450-3B1-C
4.00 X 4.00 X 1.00 inches
0.30 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Cherise Trading 4.95

Features

<b>Price For:</b> Each <b>Product Range</b>: A Series <b>Current Rating</b>: 5A <b>No. of Poles</b>: 1 Pole <b>Input Voltage VAC</b>: 277V <b>Trip Time</b>: 100s <b>Interrupting Capacity</b>: 5kA <b>Dielectric Strength</b>: 1.5kV

2P Magnetic Circuit Breaker 70A 250Vac

CARLING TECHNOLOGIES
CA2-B0-34-670-321-D
0.03 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Nygmat 9.69

Features

Price For: Each Switch Type: Toggle Max. Wire Size: Not Specified Circuit Breaker Type: Magnetic Phase: 1 Curve Type: Medium Width: 1.52" AC Voltage Rating: 250VAC Number of Poles: 2 Amps: 70 Length: 2.56" AIR @ 120VAC: 1.5kA Item: Circuit Breaker Standards: UL 1077/CSA Accepted/VDE Certified Depth: 2.52" AIR @ 65VDC: Not Rated AIR @ 240VAC: 1.5kA

AIR @ 125VDC: 1.5kA Terminal Connection: 1/4-20 Screw Mounting Type: Panel, #6-32 Thread Max. AIR Rating: 1.5kA DC Voltage Rating: 80VDC Country of Origin (subject to change): Mexico

Magnetic Circuit Breaker 2P 50 Amp 277Vac/80Vdc

CARLING TECHNOLOGIES
BA2-B0-34-650-521-E
2.80 X 1.60 X 3.60 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Nygmat 9.69

Features

Price For: Each Switch Type: Toggle Max. Wire Size: Not Specified Circuit Breaker Type: Magnetic Phase: 1 Curve Type: Medium Max. AIR Rating: 1.5kA DC Voltage Rating: 80VDC Width: 1.55" AC Voltage Rating: 277VAC Number of Poles: 2 Amps: 50 Length: 2.00" AIR @ 120VAC: 1.5kA Item: Circuit Breaker Standards: UL 1077/CSA Accepted/TUV Certified

Depth: 2.12" AIR @ 65VDC: Not Rated AIR @ 240VAC: 1.5kA AIR @ 125VDC: 1.5kA Terminal Connection: 10-32 Screw Mounting Type: Panel, #6-32 Thread Country of Origin (subject to change): Mexico

Top 10 circuit breakers Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Carling Technologies 15
Generic 1
Materro(Tm) 1

Top 10 circuit breakers Brands Pie Chart


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We are dedicated to assisting our users in finding the right breakers Products based on their needs, saving them considerable time when choosing which circuit breakers to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.