Best Westinghouse Circuit Breakers in 2026
Daisy
Last Updated: Feb 5, 2026
Daisy
Last Updated: Feb 5, 2026
* 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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| MaxWarehouse | 9.82 | ❌ | ❌ | ❌ |
Use for overload and short circuit protection of your home electrical system
2 poles in the space of 1
Trips to the center position
Compatible with westinghouse, challenger and bryant load centers
Two pole 120/240 VAC common trip requires two 1 in (25.4 mm) spaces
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| PLG Solutions | 5.43 | ❌ | ❌ | ❌ |
Ch115caf chcaf115
CH Cutler Hammer Combination AFCI
Arc Fault Breaker 1 Pole 15 Amp
UL for CH series Loadcenters of cutler hammer challenger Westinghouse bryant
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Seashell World | 9.90 | ✅ | ✅ | ✅ |
Thermal Magnetic Standard Breaker
Country Of Origin: China
Model Number: BR230
Item Package Dimension: 5.842" L x 10.16" W x 17.78" H
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ProSupplyDirect | 9.65 | ❌ | ❌ | ❌ |
Primary function of a circuit breaker is to protect the wire from overheating (overload) and fault currents (short circuit)
Amperage rating: 20A
Single pole 1 in. wide breaker
Type BR breakers are UL approved genuine replacement breakers for load centers made by Westinghouse, Challenger and Bryant
Voltage rating is 120/240V (Pack of 10)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| TOTAL ELECTRIC CORP | 5.46 | ❌ | ❌ | ❌ |
20amp circuit breaker
Double pole
Protects the wire from overloads and short-circuits
Breaker trips to center position
Works with Culter-Hammer, Challenger, Westinghouse, Bryant
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Miami Breaker, LLC | 8.89 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Westinghouse Control | 5.10 | ✅ | ✅ | ✅ |
UL489 Certified: Meets National Electrical Code standards to serve as primary thermal overload and short circuit protection. Approved by Underwriters Laboratories for Branch Circuit protection in US and Canada. UL File: E517955
Standard Installation: Mini Circuit Breaker snaps on 35mm DIN Rails or may be directly mounted to control panels. Typically used in motor control circuits, HVAC / HVACR Equipment, input output module protection for programmable logical controllers (PLC) and distributed control systems (DCS), relays and instrumentation among other applications.
Specifications: 8 Amp 1 pole C Trip Curve MCB rated for 10kAIC 277V AC. Direct current rating is 60V DC. Westinghouse Model Number: WMBB1C08
Current Limiting: Westinghouse MCBs are designed to interrupt within the first half AC cycle compared to 1 to 2 AC cycles for conventional breakers
What’s Included: Single Pole Miniature Circuit Breaker only. DIN Rail and Installation Kit sold separately
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Westinghouse Control | 5.10 | ✅ | ✅ | ✅ |
UL489 Certified: Meets National Electrical Code standards to serve as primary thermal overload and short circuit protection. Approved by Underwriters Laboratories for Branch Circuit protection in US and Canada. UL File: E517946
Standard Installation: Mini Circuit Breaker snaps on 35mm DIN Rails or may be directly mounted to control panels. Typically used in motor control circuits, HVAC / HVACR Equipment, input output module protection for programmable logical controllers (PLC) and distributed control systems (DCS), relays and instrumentation among other applications.
Specifications: 5 Amp 1 pole C Trip Curve MCB rated for 10kAIC 277V AC. Direct current rating is 60V DC. Westinghouse Model Number: WMBB1C05
Current Limiting: Westinghouse MCBs are designed to interrupt within the first half AC cycle compared to 1 to 2 AC cycles for conventional breakers
What’s Included: Single Pole Miniature Circuit Breaker only. DIN Rail and Installation Kit sold separately
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Westinghouse Control | 5.10 | ✅ | ✅ | ✅ |
UL489 Certified: Meets National Electrical Code standards to serve as primary thermal overload and short circuit protection. Approved by Underwriters Laboratories for Branch Circuit protection in US and Canada. UL File: E517964
Standard Installation: Mini Circuit Breaker snaps on 35mm DIN Rails or may be directly mounted to control panels. Typically used in motor control circuits, HVAC / HVACR Equipment, input output module protection for programmable logical controllers (PLC) and distributed control systems (DCS), relays and instrumentation among other applications.
Specifications: 15 Amp 1 pole C Trip Curve MCB rated for 10kAIC 277V AC. Direct current rating is 60V DC. Westinghouse Model Number: WMBB1C15
Current Limiting: Westinghouse MCBs are designed to interrupt within the first half AC cycle compared to 1 to 2 AC cycles for conventional breakers
What’s Included: Single Pole Miniature Circuit Breaker only. DIN Rail and Installation Kit sold separately
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Westinghouse Control | 5.10 | ✅ | ✅ | ✅ |
UL489 Certified: Meets National Electrical Code standards to serve as primary thermal overload and short circuit protection. Approved by Underwriters Laboratories for Branch Circuit protection in US and Canada. UL File: E517928
Standard Installation: Mini Circuit Breaker snaps on 35mm DIN Rails or may be directly mounted to control panels. Typically used in branch circuit applications including motor control circuits, HVAC / HVACR Equipment, and various OEM equipment.
Specifications: 60 Amp 3 pole D Trip Curve MCB rated for 10kAIC 480Y/277V AC. Direct current rating is 125V DC. Westinghouse Model Number: WMBB3D60 - 1
Current Limiting: This Westinghouse circuit breaker is designed to interrupt within the first half AC cycle compared to 1 to 2 AC cycles for conventional breakers
What’s Included: Three Pole Miniature Circuit Breaker only. DIN Rail and Installation Kit sold separately
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Westinghouse Control | 5.10 | ✅ | ✅ | ✅ |
UL489 Certified: Meets National Electrical Code standards to serve as primary thermal overload and short circuit protection. Approved by Underwriters Laboratories for Branch Circuit protection in US and Canada. UL File: E517928
Standard Installation: Mini Circuit Breaker snaps on 35mm DIN Rails or may be directly mounted to control panels. Typically used in branch circuit applications including motor control circuits, HVAC / HVACR Equipment, and various OEM equipment.
Specifications: 40 Amp 2 pole C Trip Curve MCB rated for 10kAIC 480Y/277V AC. Direct current rating is 125V DC. Westinghouse Model Number: WMBB2C40 - 1
Current Limiting: This Westinghouse circuit breaker is designed to interrupt within the first half AC cycle compared to 1 to 2 AC cycles for conventional breakers
What’s Included: Two Pole Miniature Circuit Breaker only. DIN Rail and Installation Kit sold separately
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Westinghouse Control | 5.10 | ✅ | ✅ | ✅ |
UL489 Certified: Meets National Electrical Code standards to serve as primary thermal overload and short circuit protection. Approved by Underwriters Laboratories for Branch Circuit protection in US and Canada. UL File: E517970
Standard Installation: Mini Circuit Breaker snaps on 35mm DIN Rails or may be directly mounted to control panels. Typically used in motor control circuits, HVAC / HVACR Equipment, input output module protection for programmable logical controllers (PLC) and distributed control systems (DCS), relays and instrumentation among other applications.
Specifications: 20 Amp 1 pole C Trip Curve MCB rated for 10kAIC 277V AC. Direct current rating is 60V DC. Westinghouse Model Number: WMBB1C20
Current Limiting: Westinghouse MCBs are designed to interrupt within the first half AC cycle compared to 1 to 2 AC cycles for conventional breakers
What’s Included: Single Pole Miniature Circuit Breaker only. DIN Rail and Installation Kit sold separately
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Breakers & Controls Florida Inc | 9.04 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| RiversideBreakers | 9.42 | ❌ | ❌ | ❌ |
Poles: 2 P
Amperage: 20 A AMP
Voltage: 120 V-AC, 240 V-AC
Type: Molded Case
SKU: B400542 (THN)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| IndustAutoCo | 9.47 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Anything Electric Supply | 7.47 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| toomanyamps | 9.08 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Essential Electric Supply | 9.56 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| SES-Surplus Electrical Supply | 6.90 | ❌ | ❌ | ❌ |
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Westinghouse | 15 |
| Cutler & Hammer | 1 |
| Cutler-Hammer | 1 |
| Eaton | 1 |
| Eaton Cutler-Hammer | 1 |
We've carried out a comprehensive analysis of 424 reviews on circuit breakers, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select circuit breakers priced around $92.11, with top brands including schneider electric, siemens, hamolar, young marine, square d by schneider electric, swpeet, eaton cutler-hammer, red wolf and square d and daiertek
Our team of expert editors reviewed these high-quality items and handpicked the top 19 circuit breakers for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the home improvement category. These include seashell world, amazon.com, hamolar, young marine, ultracell llc, swpeet, flashlighting supply, gr8 sales and red wolf and klameit .
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.
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