Best Screw Circuit Breakers in 2026

Single pole, 15 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

Model: DZ47-63; Rated Current: 20A; Rated Voltage: 110V; For AC 50Hz/60Hz; 1 Pole.

Size: 2.6"x 3.1"x 0.7"/ 67 x78 x 18mm (L*W*H). Fit for 35mm DIN rail.

Function: High quality AC mini circuit used for line overload, short circuit protection and infrequent conversion of lines. It can also work as on-off switch for load circuits.

FUNCTIONS: Used to protect 12V 24V 36V 48V 60V 100V DC circuit from overload and short circuit damage, and can also be used for control and isolation.

ARC EXTINGUISHING: This DC mini circuit breaker has a magnetic system to assist arc extinguishing.

CURVE B: Magnetic trip range 4-7 times rated current.

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.

【High Quality】 - Our DC circuit breaker ensures reliable operation of the load and prolongs the life of DC circuit breakers. It can also work as an on-off switch for DC load circuits. Positive and negative pole wires can be reversed without any risk, making it a safe and convenient choice for your needs.

【Easy To Use】 - Our DC circuit breakers are designed to be more precise trips based on current, even in extreme temperatures ranging from -40ºC to 85ºC, without re-rating. The color indicators in the handle make it easy to see the operational status at-a-glance, so you can use it with ease.

【Wide Applications】 - Our DC circuit breaker is simple and reliable to use, supporting short circuit protection and overload protection. It is widely used for solar panels grid systems, wind and solar hybrid systems, and many other DC systems, making it a versatile choice for your needs.

Product: Miniature circuit breaker

Model: DZ47-63; Number of stages: single pole; For AC 50 Hz or 60 Hz；rated current: 6A; rated voltage: 230V.

Size: 3.1"x 0.7"x 2.8"/ 79 x18 x 71mm (L*W*H)

Product name: Push-button Thermal Circuit Breakers

Working voltage: 125/250VAC；; Rated power: 30A

Made of durable plastic with high quality. The reset switch is designed to protect the circuit and automatically cut off the circuit when the load exceeds the rated current, thus prolonging the service life.

Package Dimensions: 2.286 H x 9.398 L x 6.35 W (centimetres)

Country of Origin : Mexico

Combines switching and circuit protection into a single device

FUNCTIONS: Used to protect power distribution facilities from overload and short-circuit damage, and can also be used for control and isolation.

FAST TRIP: The electromagnetic trip system can trip immediately when the circuit is short-circuited to protect the safety of the circuit.

ARC EXTINGUISHING: DC arc extinguishing is more difficult than AC. This DC mini circuit breaker has a magnetic system to assist arc extinguishing.

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.

Ideal for Automotive / Industrial / Marine And Others Applications DIY

Compact design enables high density circuit protection configurations

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

☀PARAMETER - Model: DZ47-63; Rated Current: 6A; Rated Voltage: 230/400V. Fit for 35mm DIN rail.

☀MINI CIRCUIT BREAKER - Be used to protect a low-voltage electrical system from damage caused by excess current resulting from an overload or short circuit.

☀FAST TRIP FUNCTION - Ensure reliable operation of the load and prolong the life of circuit breaker. It can also work as on-off switch for load circuits.

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

Product name:Miniature circuit breaker,Model: DZ47-63

Rated Current: 32A, Poles: 2 Poles, Rated Voltage: 400V

Size: 79 x18 x 71mm/3.1"x 0.7"x 2.8" (L*W*H)

Product Name: Thermal Circuit Breaker with Transparent Cap.

Power Rating: 50A (amp). 32 volts DC or 250 volts AC.

Built-in waterproof button cover for protection from the elements.

· Function: This circuit breaker can protect the amplifier from being damaged by the over-load current or voltage. Meanwhile, the power supply can also be protected to avoid battery crack and explosion caused by short circuit.

· Specification: Voltage 12-48V DC, compatible with all 12V/24V Systems. Ambient temperature: -32 ° c to 82 ° c (-25 ° f to 180 ° f) ，Accessories added wire lugs and Copper washer.

· Manual Reset Circuit Breaker, Use in place of an inline fuse holder, the unique push button reset can also be used as a Kill Switch.

Product name: DC circuit breaker; Rated current:63A; Number of poles: 2 poles

Specifications: frame current: 63A; breaking capacity: 4.5kA; rated voltage: 1000V.

Release type: overload release; release mode: overcurrent release; release characteristics: instantaneous.

AC 90~125V Protect L And N Pole

Arc Extinguishing: DC arc extinguishing is more difficult than AC. AC circuit breaker has no magnet.

Widely used in warehouse, circuit test, switching circuit,Light switch etc.

QO 20 Amp one-pole Bolt-On circuit breaker

Bolt-on installation

Compatible with QO load centers, CSED's and NQOD panel boards

For operation up to 32 volts DC or 250 volts AC.

Power rating: 40A (amp).

Includes waterproof button cover for protection from the elements.

20 amp DIN Rail Mounted AC Circuit Breaker

Superior 10 kA interrupt capacity

C Trip Curve with Visual trip indicator

【MULTIPLE USES】Used to protect cables and devices from overload or short circuit, and can be disconnected for maintenance and replacement of system devices.

【DOUBLE SECURITY】 Equipped with both the thermal and magnetic tripping mechanism for reliability and safety.

【DURABLE FOR USE】 After the circuit breakers is disconnected, only reset is needed and there will be no damage.

FUNCTIONS: Used to protect power distribution facilities from overload and short-circuit damage, and can also be used for control and isolation.

ARC EXTINGUISHING: This DC circuit breaker has a magnetic system to assist arc extinguishing.

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

60 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: 6-8.7MM Diameter Cable, 7-5 AWG Cable

Functions: Used to protect power distribution facilities from overload and short-circuit damage, and can also be used for control and isolation.（include solar energy equipment）

Rated Voltage: 12V-250V, include 12V, 110V, 250V. Size: 2.6"x 3.1"x 0.7"/ 67 x78 x 18mm (L*W*H). Fit for 35mm DIN rail.

Advantages: small size, light weight, reliable performance, strong breaking ability and sensitive action.

FUNCTIONS: Used to protect power distribution facilities from overload and short-circuit damage, and can also be used for control and isolation.

ARC EXTINGUISHING: This DC circuit breaker has a magnetic system to assist arc extinguishing.

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

UL1077 Recognized

Superior 10 kA interrupt capacity

Visual trip indicator

Function：Used to protect an electrical circuit from damage caused by excess current resulting from an overload or short circuit.

Features:Fast trip to ensure reliable operation of the load and prolong the life of electrical circuit breakers. It can also work as on-off switch for DC load circuits.

Flame-retardant Shell : This DC circuit breaker adopts high-performance flame-retardant housing, fireproofing and not easy to wear, long lifespan and high stability.

UL1077 Recognized

Superior 10 kA interrupt capacity

Visual trip indicator

UL1077 Recognized

Superior 10 kA interrupt capacity

Visual trip indicator