10 Best Miniature Circuit Breakers In The Us - Black Friday 2024
Square D - Tandem Mini Circuit Breaker, QO, 1 Pole at 20A, 120/240VAC, 10kA, Plug in Mount, Clam Pack - QO2020C
Main highlights- Trip thermally (in an overload situation) or magnetically (under a short circuit situation)
- Plug-in installation
- Learn about general NEC 2020 updates, contact your local building inspector for code adoptions and details
- Designed to protect against overloads and short-circuits
- Compatible only with QO panels that allow tandem breakers
- Curious about how we select the top products for you? Explore How It Works
Westinghouse UL 489 AC Miniature Circuit Breaker, 10 Amp, Single Pole, C Curve, 10kA, 277V AC, 60V DC, Non-Polarized, UL Listed, DIN Rail Breaker with Thermal Magnetic Trip
Main highlights- WHAT'S INCLUDED: (1) Single pole DIN rail circuit breaker only. DIN rail and installation kit sold separately.
- UL489 CERTIFIED: Meets National Electrical Code standards to serve as primary thermal overload and short circuit protection. Approved by Underwriters Laboratories for Branch Circuit Protection in US and Canada. UL File No. E517928.
- STANDARD INSTALLATION: Snaps on 35mm DIN rails or may be directly mounted to control panels. Typically used in motor control circuits, HVAC / HVACR equipment, input-output module protection for programmable logical controllers (PLC) and distributed control systems (DCS), relays and instrumentation - among other applications.
- SPECIFICATIONS: 1 Pole / 10A / C Curve, 277VAC, 60VDC, Rated for 10kA SCCR, AC Miniature Circuit Breaker. Westinghouse Model No. WMBB1C10.
- CURRENT LIMITING: Westinghouse DIN rail breakers are designed to interrupt within the first half of the AC cycle compared to 1 to 2 AC cycles for conventional breakers.
CHTAIXI DC Miniature Circuit Breaker, 2 Pole 1000V 40 Amp Isolator for Solar PV System, Thermal Magnetic Trip, DIN Rail Mount, Chtaixi DC Disconnect Switch C40
Main highlights- INSTALLATION: Screw clamp wires, 35mm DIN rail mount.
- 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.
- APPLICATION: Used in DC power system, ship electric power system, solar photovoltaic system, or other DC system.
Chtaixi AC Miniature Circuit Breaker, 20 Amp 120V/240V 2 Pole DIN Rail Mount Circuit Breaker, Thermal Magnetic Trip, Solar AC Disconnect Switch MCB C20
Main highlights- QUALITY: Silver alloy contacts, flame retardant material shell, color indicator.
- INSTALLATION: Screw clamp wires, 35mm DIN rail mount.
- 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.
- APPLICATION: Can be used in solar ac systems, RV, home circuits, or other 50/60Hz AC systems.
CHTAIXI DC Miniature Circuit Breaker, 2 Pole 500V 20 Amp Isolator for Solar PV System, Thermal Magnetic Trip, DIN Rail Mount, Chtaixi DC Disconnect Switch C20
Main highlights- INSTALLATION: Screw clamp wires, 35mm DIN rail mount.
- 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.
- APPLICATION: Used in DC power system, ship electric power system, solar photovoltaic system, or other DC system.
CHTAIXI 3 Pack 1 Pole Miniature Circuit Breaker, 20 Amp 120V/240V AC DIN Rail Mount Circuit Breaker, Thermal Magnetic Trip MCB C20
Main highlights- QUALITY: Silver alloy contacts, flame retardant material shell, color indicator.
- INSTALLATION: 35mm DIN rail mount, Screw clamp wires (Soft silicone wire needs to crimp fixed the wire end with copper crimp first).
- 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.
- APPLICATION: Can be used in solar ac systems, RV, home circuits, or other 50/60Hz AC systems.
30 Amp 12V-400V AC DC Miniature Circuit Breakers (10A 15A 20A 25A 40A 50A 60A Optional) for Solar Panel PV System - Disconnect Switch, AC 110V DIN Rail MCB
Main highlights- 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.
- Rated Voltage: DC 12-400V Protect - And + Pole or AC 90~400V Protect L And N Pole
- Main application environment: solar energy system, battery, UPS, inverter, utility power. Mainly used for overload protection and short circuit protection
- Arc Extinguishing: DC arc extinguishing is more difficult than AC. This DC mini circuit breaker has a magnetic system to assist arc extinguishing.
MOLLOM 8 Way Circuit Breaker MCB Distribution Protection Box with DIN Rail, IP65 Waterproof,for Indoor and Outdoor
Main highlights- 【Wide range of uses】Suitable for outdoor installation, such as connecting solar energy, car charging posts, etc. Also suitable for indoor, such as home, workshop, hotel, shopping mall, charging station, etc
- 【Waterproof IP65】Protects against most harmful dust and prevents rain from entering, effectively protecting the circuit breaker.Impact resistance up to IK08
- 【Robust and durable】Made of high quality PC+ABS alloy material. Size: 200x92x155 MM | 7.8x.3.6x6.1 IN (L*W*H)
- 【Packing】1PCS x 8Way Power Distribution Protection Box; 4PCS x Stainless Steel Screws; 2PCS x Waterproof Connectors
- 【Easy Installation】The circuit breaker box can be easily installed and very convenient to use, just need a few steps to mount it on your wall
SIEMENS Q1515 15 Amp Duplex Circuit Breaker, Black
Main highlights- UL Listed
- 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
- Requires 1/2 the space of 1 inch width circuit breakers
- QT dual beaker features two single pole, 15 Amp 120-Volts interchangeable
- Provides a manual means of energizing and de-energizing a circuit
- HACR rated
- For Canadian applications Non-CTL version, use Siemens catalog number with “NC” suffix. Check panel wiring diagram to confirm
- CSA certified
- Accepts #14-6 AWG Cu or #14-6 AWG Al wire
- 10k AIC series rated
2P 250V Low Voltage DC Miniature Circuit Breaker for PV System, Grid System, DIN Rail Mount, Breaker DC Circuit Amp Solar Double Pole(63A)
Main highlights- Widely used for: solar panels grid system, wind and solar system and many other
- Function: This is a great circuit breaker used to a low-voltage DC electrical system from damage caused by excess current resulting from an overload or short circuit
- Fast Closing: 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
- DIN Rail: Modular structure, can be easily installed on the DIN standard rail in distribution box, bistable locking clip, the installation more convenient. Suitable for isolation in accordance with industrial standards: IEC EC60947-2/GB14048.2
- DC Miniature Circuit Breaker: DC breaker is more powerful than AC breaker to extinguish arcs. It means that our low-voltage breaker can be used at the same level voltage of DC and AC circuit system
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