Best Square D Miniature 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 |
|---|---|---|---|---|
| Sawyer Electric Supply | 4.45 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Bertrand Electric supply | 5.10 | ❌ | ❌ | ❌ |
Suitable for use with Homeline™ loadcenters, which provides overload and short-circuit protection
Easier troubleshooting due to less wiring
TIME SAVER diagnostics provide additional circuit information at the touch of a button faster and easier wiring
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Flashlighting Supply | 9.52 | ❌ | ❌ | ❌ |
Miniature circuit breaker rated at 15A
The current capacity that this circuit breaker is able to interrupt before breaking is 10kA
Easy plug on circuit breaker that’s compatible with Square D QO Loadcenters
Also compatible with NQ panelboards and Speed-D switchboard distribution panels
Returns will not be honored on this closeout item
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Flashlighting Supply | 9.54 | ❌ | ❌ | ❌ |
Suitable for use with QO loadcenters, NQOD panelboards or interiors and Speed-D switchboard distribution panels
Measures 0.75 Inch x 2.91 Inch x 3.5 Inch
Has interrupt current rating of 10 Kilo-Amps
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| LES, LLC | 9.90 | ✅ | ✅ | ✅ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| caosunshangmao | 9.92 | ✅ | ✅ | ✅ |
Product name:Miniature circuit breaker,Model: DZ47-63
Rated Current: 20A, Poles: 1 Pole, Rated Voltage: 230/400V
Size: 79 x18 x 71mm/3.1"x 0.7"x 2.8" (L*W*H)
Easy Inatallation: Modular sturcture, can be easily installed on the DIN standard guide rail in distribution box, bistable locking clip.
Applications:DZ47-63 series miniature circuit breaker is mainly used for the illumination of office buildings and residential buildings. It is used for distribution and protection the facilities from damages caused by overload and short-circuit.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| haiduobao | 9.92 | ✅ | ✅ | ✅ |
Product name: DC miniature circuit breaker
Specifications: Rated current: 63A; Rated voltage is 250v; Breaking capacity is 6KA; Number of levels: 1 pole.
Used for line overload and short circuit protection; simple and convenient to use.
Fast closing to ensure load operation and prolong service life.
Application: Miniature circuit breakers are used in solar panel grid systems, solar and wind hybrid systems, etc.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amaus | 9.67 | ✅ | ✅ | ✅ |
--RESET SWITCH DESIGN: This Thermal Circuit Breaker can be reset after a disconnect over a period of time, then you can press the reset switch to use it again.
--CIRCUIT PROTECTION: Compact design enables high density circuit protection configuration. Made of durable plastic, thermal overload protector is high quality and long service life.
--EXTRA PROTECTION: When the load exceeds the rated current, this switch reset button will automatically cut off the circuit, and thus Thermal Circuit Breaker plays a role in protecting the line.
--WIDE APPLICATION: Thermal Circuit Breaker is widely used in automotive, industry and ocean industry.
--GUARANTEE: If you are not satisfied with our product received, you can apply for unconditional return and refund within 180 days. In terms of any problem of this product, you can send emails to us at any time. We will reply you as soon.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| DIHOOL- | 7.57 | ✅ | ✅ | ✅ |
Rated Voltage: DC 12-400V Protect - And + Pole or AC 90~400V Protect L And N Pole
Arc Extinguishing: DC arc extinguishing is more difficult than AC. This DC mini circuit breaker has a magnetic system to assist arc extinguishing.
Widely used for solar panel grid system, wind and solar hybrid system and other DC circuit system from damage caused by excess current resulting from an overload or short circuit. It can also be used for on-off use in household 120V/240V circuits
Size: 36MM x 80MM x 75MM, Fit for 35mm DIN rail.
Main application environment: solar energy system, battery, UPS, inverter, utility power. Mainly used for overload protection and short circuit protection
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| DIHOOL- | 7.57 | ✅ | ✅ | ✅ |
20 Amp AC/DC Circuit Breaker, No Polarity, IP65 Waterproof Box
Rated Voltage: DC 12-400V Protect - And + Pole or AC 90~400V Protect L And N Pole
Adapter Cable: 5-10MM Diameter Cable, 10-4 AWG Cable, Large Wiring Space
With IP65 waterproof and easy to install, the transparent cover also make it easy to check the status of the circuit breaker.
The Breaker Box is suitable for photovoltaic solar panel grid-connected system and solar off-grid system solar power generation system. PV array. RV solar
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Z Pan | 9.90 | ✅ | ✅ | ✅ |
1"
20/20 amp, 120 vac
2-single pole
Interchangeable
Not interchangeable with Square D Homeline panels
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| PLG Solutions | 5.52 | ❌ | ❌ | ❌ |
1- QOB120GFI SQUARE D Circuit Breaker Miniature Circuit Breaker (QOB-GFI) Ground Fault Protecting (Class A 6mA), 20A BOLT-IN
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Essential Electric Supply | 9.59 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Elecnova | 0.00 | ✅ | ✅ | ✅ |
MODEL:SFB1-63HC; Rated Current: 6(63)A; Rated Voltage: 400V; For AC 50Hz/60Hz; 3 Poles.
SIZE: 2.9"x 3.2"x 2.13"/ 75 x81 x 54mm (L*W*H). Fit for 35mm DIN rail.
FUNCTION:It is used for overload and short circuit protection in the line with current up to 63A, and it can also be used for infrequent switching of electrical devices and lighting circuits under normal conditions.
EASY INSTALLATION: Modular sturcture, can be easily installed on the DIN standard guide rail in distribution box, bistable locking clip.
APPLICATIONS: SFB1-63 series miniature circuit breaker is mainly used for overload and short-circuit protection of lighting, power distribution lines and equipment in office buildings, residences and similar buildings.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ❌ | ❌ | ❌ |
【24H After Sales Service】To give you peace of mind about your purchase, all our Breakers are unconditionally refundable or exchangeable within 5 years, and we will always carry out after-sales service to the end, even after the after-sales time specified by Amazon. If you need help or enjoy after-sales service, you can contact us through Amazon.
【Premium】QO120 circuit breaker is made of high quality insulation material. Insulation safety, fireproof and anti-drop, strong oxidation resistance and long service life. Fit for your power distribution switch panel.(Made in USA)
【Typical Applications】QO120 breaker 120/240V, with a maximum voltage rating of 240 V. Perfect compatibility with residential load center and circuit breaker panel, light commercial power distribution panel, swimming pool panel, residential transfer switch panel, various OEM applications, etc.
【Type QO120 Standard Circuit Breaker】Quick-closing, quick-break switch mechanism combined with inverse time element tripping operation and trip-free handle design. Type QO120 circuit breakers trip to the off position, eliminating nuisance callbacks. The thermal magnetic trip curve avoids nuisance tripping on mild overloads while reacting almost instantaneously to severe short circuit conditions.
【Caution】Power off the circuit breaker before installation and install it in plug-in mode. Ensure that your distribution box allows bolt-fixed circuit breakers and ensure that the wires are properly connected. Before starting any electrical project, check local electrical codes and follow local regulations.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Essential Electric Supply | 9.57 | ❌ | ❌ | ❌ |
Miniature circuit breaker 480Y/277-Volt 60-amp
Schneider Electric EDB34060
Package quantity: 1
Package Dimensions: 15.748 L x 24.637H x10.16W(centimeters)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Elecnova | 0.00 | ✅ | ✅ | ✅ |
MODEL:SFB1-63HC ; Rated Current: 6(63)A; Rated Voltage: 230V; For AC 50Hz/60Hz; 1 Pole.
SIZE: 2.9"x 3.2"x 0.7"/ 75 x81 x 18mm (L*W*H). Fit for 35mm DIN rail.
FUNCTION:It is used for overload and short circuit protection in the line with current up to 63A, and it can also be used for infrequent switching of electrical devices and lighting circuits under normal conditions.
EASY INSTALLATION: Modular sturcture, can be easily installed on the DIN standard guide rail in distribution box, bistable locking clip.
APPLICATIONS: SFB1-63 series miniature circuit breaker is mainly used for overload and short-circuit protection of lighting, power distribution lines and equipment in office buildings, residences and similar buildings.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Maxodeals | 2.48 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Miami Breaker, LLC | 9.53 | ❌ | ❌ | ❌ |
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Square D | 14 |
| Square D By Schneider Electric | 9 |
| Schneider Electric/Square D | 4 |
| Dihool | 2 |
| Elecnova | 2 |
| Schneider Electric | 2 |
| Vgeby | 2 |
| Cutler & Hammer | 1 |
| Fxsmgdy | 1 |
| Schneider Electric Square D | 1 |
We've carried out a comprehensive analysis of 5,558 reviews on miniature circuit breakers square d, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select miniature circuit breakers square d priced around $122.69, with top brands including walfront, elecnova, square d, schneider electric square d, schneider electric/square d, square d by schneider electric, dihool, schneider electric and cai - square d and weideer
Our team of expert editors reviewed these high-quality items and handpicked the top 19 miniature circuit breakers square d for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the home improvement category. These include nineone, elecnova, miami breaker, llc, edwards supply, les, llc, res, llc, basic supplier online, flashlighting supply and plg solutions and essential electric supply .
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 square d to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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