Best Type A Circuit Breakers in 2026

Double pole, 30 Amp, 240V type QP Circuit Breaker

10,000 AIC interrupting rating

Siemens type QP circuit breakers provide easy plug-in connections in Siemens enclosures and the time saving insta-wire feature

Resets with the slide of the lever (Type III).

Can be used as a master disconnect - simply push the button.

Waterproof

Three pole, 40 Amp, 240V type QP Circuit Breaker

10,000 AIC interrupting rating

Siemens type QP circuit breakers provide easy plug-in connections in Siemens enclosures and the time saving insta-wire feature

FUNCTIONS: Used to protect 110V 120V 220V 230V AC circuit from overload and short circuit damage, and can also be used for control and isolation.

CURVE C: Magnetic trip range 5-10 times rated current.

QUALITY: Silver alloy contacts, flame retardant material shell, color indicator.

Two 20-Amp single pole

Twin 1/2-Inch frame

Plug in type QT, check wiring diagram on panel for acceptance

Replacement Federal Pacific Electric Stab-Lok circuit breaker manufactured new by Connecticut Electric

For use in Stab-Lok circuit breaker panels

Intertek ETL Listing to UL Standard 489 for US and Canada-Molded case circuit breakers

Compatible with QO load centers and CSED devices

ANSI certified and UL listed

Voltage: 120/240

EASY - Leviton's revolutionary design allows the entire Load Center to be wired at rough-in without any circuit breakers present.

INTUITIVE - Color indicators in the handle show operational status at-a-glance

COMFORTABLE - Rocker-style switches require less activation force than traditional circuit breakers.

Double pole, 30 Amp, 240V type MP-T Circuit Breaker

10,000 AIC interrupting rating

Murray type MP-T circuit breakers provide easy plug-in connections in Murray enclosures and the time saving insta-wire feature

Single pole, 30 Amp, 120V type QP Circuit Breaker

10,000 AIC interrupting rating

Siemens type QP circuit breakers provide easy plug-in connections in Siemens enclosures and the time saving insta-wire feature

Type QE Circuit Breaker

Ground fault equipment protection

30mA protection

Three pole, 60 Amp, 240V type QP Circuit Breaker

10,000 AIC interrupting rating

Siemens type QP circuit breakers provide easy plug-in connections in Siemens enclosures and the time saving insta-wire feature

Product Name: Manual Reset 125-250V AC 50V DC Push Button Switch Thermal Circuit Breaker.

Operating Voltage: 125/250V AC 50V DC; power rating: 20A (amp).Operating Temperature: -10oC (14oF) to 60oC (140oF) Interrupt Capacity:1,000 Amps

Working Principle: this switch can be reset after a disconnect over a period of time, then you can press the reset switch to use it again When load exceeds rated current, the switch reset button will automatically cut off the circuit, and thus play a role in protecting the line.

Replacement Zinsco circuit breaker manufactured new by Connecticut Electric

For use in Zinsco circuit breaker panels

Intertek ETL Listing to UL Standard 489 for US and Canada-Molded case circuit breakers

Replacement Challenger MH115-L Type A circuit breaker manufactured new by Connecticut Electric

For use in Challenger Type A circuit breaker panels

Intertek ETL Listing to UL Standard 489-Molded case circuit breakers

✅ Product Name: Thermal Circuit Breaker, Housing Material: Black Plastic.

✅ Terminal Type: Male; Power Rating: 40A (amp).

✅ Push-to-Reset Operation,with a waterproof button clear cap to protect from bad weather.

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

PUSHMATIC COMPATIBLE BREAKER: This current limiting device is compatible with Pushmatic brand breakers. Sub panels compatible with this 10000 AIC rated breaker may also be branded as BULLDOG or ITE Gould P230.

UP TO CODE: We design all of our products to ensure they are all up to code. This breaker switch is Intertek ETL listed, ensuring its compliance to UL Standard 489 for US- and Canada-molded case circuit breakers.

30 AMP BREAKER: This AC breaker switch is compatible with 30 amp boards. Add this breaker to your circuitry kit, or purchase multiple to have one on hand in case one fails. Add this double pole breaker to your home improvement and electrical wiring tools today.

Replacement Federal Pacific Electric Stab-Lok circuit breaker manufactured new by Connecticut Electric

For use in Stab-Lok circuit breaker panels

Intertek ETL Listing to UL Standard 489 for US and Canada-Molded case circuit breakers

The product is good to use

The product is of high quality

Manufactured in China

Replacement Zinsco circuit breaker manufactured new by Connecticut Electric

For use in Zinsco circuit breaker panels

Intertek ETL Listing to UL Standard 489 for US and Canada-Molded case circuit breakers

Primary function of a circuit breaker is to protect the wire from overheating (overload) and fault currents (short circuit).

Amperage rating: 20A.

For use in type BR load centers.

It is an Eaton Corporation Product

It is a Single Pole Type CH Combo Arc Fault Circuit Breaker. The AFCI component trips at 30 mA and does not meet the requirements of UL 1053 for ground fault sensing & relaying equipment.

The Capacity is 15Amperes

Siemens space saving, plug in circuit breakers are intended for use in Siemens load centers and meter combinations that are rated to accept type QT breakers

For Canadian applications Non-CTL version, use Siemens catalog number with “NC” suffix. Check panel wiring diagram to confirm

QT dual beaker features two single pole, 15 Amp 120-Volts interchangeable

Single pole, 15 Amp, 120V type MP-T Circuit Breaker

10,000 AIC interrupting rating

Murray type MP-T circuit breakers provide easy plug-in connections in Murray enclosures and the time saving insta-wire feature

Replacement Federal Pacific Electric Stab-Lok circuit breaker manufactured new by Connecticut Electric

For use in Stab-Lok circuit breaker panels

Intertek ETL Listing to UL Standard 489 for US and Canada-Molded case circuit breakers

Replacement Challenger MH120-R Type A circuit breaker manufactured new by Connecticut Electric

For use in Challenger Type A circuit breaker panels

Intertek ETL Listing to UL Standard 489-Molded case circuit breakers

⚡[Special tips]Ideal for car audio and video systems, boats, trucks, buses, RV's, ATV, marine and DC sound amplifier system overload protection.[Size]60A,3.9in (L) x 1.65in (W) x 1.57in (H) Red manual reset button,with 2 install screws in package. compatible with all 12V-48VDC Systems.

👍[Safe and Conveniency]Type 3 manual resettable make sure to protect your appliance in an over-current or short circuit condition.A red button can serve as a master disconnect.we also provided with two screws to help you install.

👍[Widely Application]High amp circuit breakers are used as the main power protection for all circuits coming off your battery.

Primary function of a circuit breaker is to protect the wire from overheating (overload) and fault currents (short circuit)

Amperage rating: 60 Amp

Double pole breaker

Replacement Zinsco circuit breaker manufactured new by Connecticut Electric

For use in Zinsco circuit breaker panels

Intertek ETL Listing to UL Standard 489 for US and Canada-Molded case circuit breakers