Best Asea Brown Boveri Miniature Circuit Breakers in 2026
Daisy
Last Updated: Jul 18, 2026
Daisy
Last Updated: Jul 18, 2026
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Z Pan | 9.90 | ✅ | ✅ | ✅ |
Tandem breakers offer two circuit protection while only requiring one space in a load center
For NON CTL (circuit limiting) QO load centers without bus bar slots-for use in load centers manufactured prior to 1968
Standard overload and short circuit protection in Cutler- Hammer, Westinghouse, Bryant, Challenger, or Sylvania load centers
| 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 |
|---|---|---|---|---|
| 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 |
|---|---|---|---|---|
| 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 |
|---|---|---|---|---|
| Essential Electric Supply | 9.62 | ❌ | ❌ | ❌ |
Standards: UL Listed, CSA Certified, NEMA; For Use With: Eaton Panel boards; Max. AIR Rating: 65 kA
The package length of the product is 7 inches
The package width of the product is 7 inches
The package height of the product is 7 inches
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Westinghouse | 7 |
| Cutler & Hammer | 2 |
| Eaton | 1 |
| Eaton Cutler-Hammer | 1 |
We've carried out a comprehensive analysis of 413 reviews on miniature circuit breakers, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select miniature circuit breakers priced around $74.85, with top brands including smseace, chtaixi, zgledun, dihool, elecnova, schneider electric, langir, mxuteuk and walfront and gersik
Our team of expert editors reviewed these high-quality items and handpicked the top 11 miniature 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 haiduobao, taixidirect, zgledun, dihool-, elecnova, seashell world, langir electric co.,ltd., mxuteuk-us and nineone and gersik store .
We are dedicated to assisting our users in finding the right breakers Products based on their needs, saving them considerable time when choosing which miniature 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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