Best Square D Thermal Magnetic Circuit Breakers in 2026
Daisy
Last Updated: Jul 19, 2026
Daisy
Last Updated: Jul 19, 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 |
|---|---|---|---|---|
| Miami Breaker, LLC | 9.53 | ❌ | ❌ | ❌ |
Homeline tandem circuit breaker with dual single pole's at 15 amps and a double pole at 15 amps
The current capacity that this circuit breaker is able to interrupt before breaking is 10kA
Easy plug on design with SE Homeline Loadcenters
Easy plug on circuit breaker that’s compatible with Square D Homeline Loadcenters
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Land West Trading, LLC | 5.99 | ✅ | ✅ | ✅ |
Faster installation, fewer connections
Saves wire, fully distributed split neutral bar
Frees gutter space, no pigtails
Faster and easier wiring, all spaces accept tandems
2-Pole, 100-Amps, 120/240-Volts
| 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 |
|---|---|---|---|---|
| JDC WHOLESALE | 9.53 | ❌ | ❌ | ❌ |
Compatible with QO load centers and CSED devices
ANSI certified and UL listed
Voltage: 120/240
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Homeline tandem circuit breaker with dual single pole's at 20 amps and a double pole at 40 amp
The current capacity that this circuit breaker is able to interrupt before breaking is 10kA
Easy plug on design with SE Homeline Loadcenters
Easy plug on circuit breaker that’s compatible with Square D Homeline Loadcenters
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| KLAMEit | 7.65 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| EDWARDS SUPPLY | 5.49 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| TradinPost | 5.40 | ❌ | ❌ | ❌ |
<b>Price For:</b> Each<b>Return policy:</b> Item is non-cancelable and non-returnable<b>Order Unit:</b> Each 1 <b>Actuator Style:</b>: Toggle <b>Circuit Breaker Mounting:</b>: Plug On <b>Current Rating:</b>: 70 <b>No. of Poles:</b>: 2 <b>Product Range:</b>: QO Series <b>SVHC:</b>: To Be Advised <b>Voltage Rating VAC:</b>: 240 <b>Voltage Rating VDC:</b>: 48
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Essential Electric Supply | 9.61 | ❌ | ❌ | ❌ |
EDB (Bolt-On) circuit breaker
Thermal magnetic
Used with NF panel boards
UL Listed as HACR type 480/277VAC
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| EDWARDS SUPPLY | 5.58 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| RES, LLC | 9.90 | ✅ | ✅ | ✅ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Shine and Sparkle | 6.14 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Nygmat | 9.69 | ❌ | ❌ | ❌ |
QO and QOB one, two and three pole thermal magnetic circuit breakers provide overcurrent protection
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Anything Electric Supply | 7.37 | ❌ | ❌ | ❌ |
Square D 60 amp Circuit Breaker Catalog # QOB260 Amperage: 60 Voltage: 120/240 Phase/Pole: 2 Type: QOB AIC Rating: 10 KA Old Style Visit My eBay Store: Electrical Surplus Salvage
| 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 |
|---|---|---|---|---|
| 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 |
|---|---|---|---|---|
| Essential Electric Supply | 9.61 | ❌ | ❌ | ❌ |
Miniature Circuit Breaker 480Y/277-Volt 40-Amp
Schneider Electric Edb34040
Package Quantity: 1
Country Of Origin: China
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Leftover-Electric | 6.21 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Essential Electric Supply | 9.59 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Essential Electric Supply | 9.62 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Essential Electric Supply | 9.62 | ❌ | ❌ | ❌ |
BD Series Manufactured By Square D
The BD Series is the direct replacement for the FA Series
BDA36125 125 Amp 3 Pole I-Line
Complete Part # BDA36125
Thermal Magnetic Trip
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Anna Maria Elect | 0.00 | ❌ | ❌ | ❌ |
Weight: 7.00lb
Product Dimensions: 12.00 x 8.00 x 6.00 inches
Condition: Used - Good
| 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.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Square D | 24 |
| Square D By Schneider Electric | 22 |
| Schneider Electric | 7 |
| Schneider Electric/Square D | 3 |
| Elecnova | 2 |
| Cai - Square D | 1 |
| Fxsmgdy | 1 |
| Homeline | 1 |
| Square D/Telemecanique | 1 |
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