Best Thermal Magnetic Circuit Breakers Deals of Nov 2026

Updated November 10, 2026Our site contains affiliate links for which we may be compensated.
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ABB Q-Line® THQL1120 • Circuit Breaker • 20 Amp Single Pole | 120/240 VAC • 10 kAIC Interrupt Rating • Thermal Magnetic Plug-On Breaker for Load Centers

POWER PROTECTION - This thermal magnetic circuit breaker provides protection for residential and commercial electrical systems. ABB's 20A single-pole breaker protects again electrical faults to enhance safety.
DURABLE AND RELIABLE - The breaker case is heat-resistant for structural integrity, and there are corrosion-resistant connection terminals. They are designed for longevity and meet industry standards.
EASY INSTALLATION - Featuring a straightforward design, this breaker allows for quick and hassle-free installations. This plug-on breaker has a secure connection due to a calibration screw which is cemented to prevent shifting.
APPLICATIONS AND COMPATABILITY - This breaker is ideal for residential and commercial use, and will work with any GE or ABB load center.
LEADING INNOVATION AND QUALITY – GE Residential electrical products are now branded ABB. All GE electrical distribution products for residential use are now ABB. ABB is dedicated to providing innovative and high-quality electrical solutions. ABB products are designed to meet the highest safety, reliability, and efficiency standards.
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Also available at
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ABB Q-Line® Tandem Circuit Breaker • 20A/1P Configuration • 120/240 VAC | THQLT2020 • 10 KAIC Interrupt Rating • Thermal Magnetic Plug-On Breaker for Load Centers

POWER PROTECTION - This tandem thermal magnetic circuit breaker provides protection for residential and commercial electrical systems. ABB's 20A/1P, 20A/1P double-pole breaker protects again electrical faults to enhance safety.
DURABLE AND RELIABLE - The breaker case is heat-resistant for structural integrity, and there are corrosion-resistant connection terminals. They are designed for longevity and meet industry standards.
EASY INSTALLATION - Featuring a straightforward design, this breaker allows for quick and hassle-free installations. This plug-on breaker has a secure connection due to a calibration screw which is cemented to prevent shifting.
APPLICATIONS AND COMPATABILITY - This breaker is ideal for residential and commercial use, and will work with any GE or ABB load center.
LEADING INNOVATION AND QUALITY – GE Residential electrical products are now branded ABB. All GE electrical distribution products for residential use are now ABB. ABB is dedicated to providing innovative and high-quality electrical solutions. ABB products are designed to meet the highest safety, reliability, and efficiency standards.
Details & specs
Check Price
on Amazon.com
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20 Amp 1-Pole Circuit Breaker, Type 3/4-Inch Plug-On Molded Case (2Pcs) | 120/240V, Thermal Magnetic Protection, Plug and Play, Home Commercial Industrial Use, 10-Year Warranty

【After-Sales Support】: If you experience any issues or dissatisfaction, feel free to contact us for prompt and helpful customer service.
【Reliable Circuit Protection】: Designed to protect your home or commercial building's wiring from overheating and short-circuiting, this breaker ensures enhanced electrical safety. With advanced thermal magnetic protection, it reacts quickly to dangerous fault currents while resisting fire and oxidation.
【Durable & Safe Manufacturing】: Made from premium insulating materials, this 20 Amp breaker is fire-resistant and oxidation-proof, offering long-lasting performance. It is ideal for residential, commercial, and industrial applications, making it a versatile and dependable solution for power distribution.
【Easy Plug-In Installation】: This breaker features a 3/4" plug-in mounting design, making it compatible with a variety of breaker boxes and load centers. It installs easily into standard breaker panels and can be removed or replaced without hassle, ensuring a straightforward installation process.
【Check Compatibility 】: Will NOT fit Siemens, Square D, GE, or other brands. Before purchase, PLEASE OPEN YOUR ELECTRICAL PANEL and confirm you have the compatible brand and an available 2-pole space. Refer to the product images for visual comparison.
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ABB Q-Line® THQL1115 Circuit Breaker • 15 Amp Single-Pole Breaker • 120/240 VAC • 10 kAIC Interrupt Rating • Thermal Magnetic Plug-On Breaker for Load Centers

POWER PROTECTION - This thermal magnetic circuit breaker provides protection for residential and commercial electrical systems. ABB's 15A single-pole breaker protects again electrical faults to enhance safety.
DURABLE AND RELIABLE - The breaker case is heat-resistant for structural integrity, and there are corrosion-resistant connection terminals. They are designed for longevity and meet industry standards.
EASY INSTALLATION - Featuring a straightforward design, this breaker allows for quick and hassle-free installations. This plug-on breaker has a secure connection due to a calibration screw which is cemented to prevent shifting.
APPLICATIONS AND COMPATABILITY - This breaker is ideal for residential and commercial use, and will work with any GE or ABB load center.
LEADING INNOVATION AND QUALITY – GE Residential electrical products are now branded ABB. All GE electrical distribution products for residential use are now ABB. ABB is dedicated to providing innovative and high-quality electrical solutions. ABB products are designed to meet the highest safety, reliability, and efficiency standards.
Details & specs
Check Price
on Amazon.com
Also available at
Zoro See New
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DIHOOL Solar Disconnect Switch, 40 Amp 2 Pole, DIN Rail Mount, Non Polarized, 12V 24V 48V 400V, AC/DC Circuit Breaker, RV Battery Isolator, PV Array MCB, Thermal Magnetic Trip

FUNCTIONS: Used to protect 48~500VDC OR 90~480VAC circuit from overload and short circuit damage and 12~48VDC from overload damage, and can also be used for control and isolation. Size: 54MM x 80MM x 75MM, Fit for 35mm DIN rail.
Breaker Switch has built-in arc squelching magnet which enables the high arc extinguisher,flame-retardant enclosure, silver alloy contacts, and sufficient pure copper coils to ensure its high quality.
Come with 1 x DIN rail, 2 x screws for easy mounting and 4 x copper crimp terminal for wiring to make sure that the wires are tightly connected.
This Solar Disconnect Switch is suitable for photovoltaic solar panel array,Solar Charge Controller,Batteries,Power inverter,DC motor protect and also suitable for ac systems, RV, home circuits, or other 50/60Hz AC systems.
FAST TRIP: The electromagnetic trip system can trip immediately when the circuit is short-circuited to protect the safety of the circuit.
Non-polarized circuit breakers do not require polarity distinction and can be connected in either direction, simplifying installation and reducing wiring errors. They are particularly suitable for applications where polarity may reverse, such as:Reversible motors,Battery charge/discharge switching,Bidirectional current protection including:EV charging/discharging circuits,Solar power systems (where battery current direction reverses),Industrial reversible drive systems.
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Our #1 Pick Today
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ABB Q-Line® THQL1120 • Circuit Breaker • 20 Amp Single Pole | 120/240 VAC • 10 kAIC Interrupt Rating • Thermal Magnetic Plug-On Breaker for Load Centers

POWER PROTECTION - This thermal magnetic circuit breaker provides protection for residential and commercial electrical systems. ABB's 20A single-pole breaker protects again electrical faults to enhance safety.
DURABLE AND RELIABLE - The breaker case is heat-resistant for structural integrity, and there are corrosion-resistant connection terminals. They are designed for longevity and meet industry standards.
EASY INSTALLATION - Featuring a straightforward design, this breaker allows for quick and hassle-free installations. This plug-on breaker has a secure connection due to a calibration screw which is cemented to prevent shifting.
APPLICATIONS AND COMPATABILITY - This breaker is ideal for residential and commercial use, and will work with any GE or ABB load center.
LEADING INNOVATION AND QUALITY – GE Residential electrical products are now branded ABB. All GE electrical distribution products for residential use are now ABB. ABB is dedicated to providing innovative and high-quality electrical solutions. ABB products are designed to meet the highest safety, reliability, and efficiency standards.
Details & specs
Check Price
on Amazon.com
Disclaimer: While we make every effort to ensure accuracy, we cannot guarantee that all product specifications, pricing, discounts, and details are complete or error-free. Because information is subject to change, we recommend verifying all details directly with the retailer prior to making a purchase. As an Amazon Associate, we earn from qualifying purchases.

9 Thermal Magnetic Circuit Breakers deals are available from: Amazon, starting from $8.00.

The biggest discount we found is 8% on ABB Q-Line® THQL1120 • Circuit Breaker • 20 Amp Single Pole | 120/240 VAC • 10 kAIC Interrupt Rating • Thermal Magnetic Plug-On Breaker for Load Centers (THQL1120A) at Amazon.

The lowest price we found is $8.00 while the highest is $58.00. Prices for the best Thermal Magnetic Circuit Breakers deals average at $17.98.