Circuit Breakers & Fuses
Protect your electrical systems with our reliable selection of circuit breakers and fuses, designed to safeguard against overloads and short circuits. Browse trusted brands and a wide range of amperages to find the perfect fit for residential, commercial, and industrial applications.
Products
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Blue Sea Systems 6-Circuit ST Blade Fuse Block with Cover
A compact 12-circuit fuse block designed for automotive, marine, and off-grid home energy systems using standard ATO/ATC blade fuses. Each circuit is individually fused and the transparent cover protects against moisture and accidental contact, making it suitable for RV, solar, and backup power installations. Highly rated on Amazon for build quality and versatility among hobbyists and off-grid system builders.
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Blue Sea Systems Marine Thermal Circuit Breaker for DC Applications
The Blue Sea Systems 5193 is a surface-mount thermal circuit breaker rated for 12-volt and 24-volt DC applications, commonly used in marine, RV, and off-grid home power systems. It provides automatic overload protection with a manual reset function and is built to withstand vibration and harsh environments. A top-rated pick for hobbyists and professionals wiring solar setups, boats, or auxiliary vehicle electrical systems.
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Eaton 200-Amp 30-Space 40-Circuit Indoor Main Breaker Load Center
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Eaton Single-Pole Circuit Breaker 30-Amp 120/240V
A Type BR single-pole breaker rated for 30 amps, commonly used to protect circuits for dryers, water heaters, and other high-demand 240V appliances when paired appropriately. Built to fit Eaton BR and CH series load centers with a simple snap-in installation. Well-reviewed by DIYers and contractors for its consistent performance and wide availability at Home Depot and Amazon.
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Eaton Single-Pole Combination AFCI Circuit Breaker 15-Amp
The Eaton BRCAF115 delivers combination arc fault circuit interrupter protection for both series and parallel arc faults, meeting NEC 2014 and later code requirements. Designed to fit Eaton BR load centers, it features a test button for easy verification and a trip indicator for quick fault identification. A reliable and widely stocked option for residential electrical panel upgrades available at Home Depot and major electrical suppliers.
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Leviton Combination AFCI Circuit Breaker 20-Amp
An Arc Fault Circuit Interrupter breaker that meets NEC code requirements for bedrooms and living areas by detecting dangerous electrical arcs before they cause fires. Compatible with Leviton load centers and features a self-test button for easy verification. A top choice for new construction and renovation projects where AFCI protection is now code-mandated.
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Littelfuse ATO 5-30 Amp Blade Fuse Assortment Pack
A versatile assortment of ATO-style blade fuses ranging from 5 to 30 amps, manufactured by Littelfuse — a trusted name in circuit protection. The pack covers a broad range of current ratings, making it a practical addition to any home garage, workshop, or automotive toolbox. Homeowners and DIYers who regularly work on vehicles, marine equipment, or 12-volt electrical systems will find this assortment eliminates the need for multiple separate purchases. Each fuse meets standard sizing specifications for straightforward replacement in compatible fuse boxes and panels.
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Siemens 200-Amp 30-Space 40-Circuit Indoor Main Breaker Load Center
The Siemens 200-Amp Indoor Main Breaker Load Center provides reliable whole-home electrical distribution with a 30-space, 40-circuit capacity, making it well suited for new construction and major panel upgrades. The integrated 200-amp main breaker offers convenient single-point shutoff, while the copper bus bars ensure efficient current transfer and long-term durability. Compatible with Siemens QP, QPF, and QAF breakers, the panel supports a wide range of standard and tandem configurations to maximize circuit flexibility. Homeowners and electricians looking for a code-compliant, expandable solution for residential electrical systems will find this load center a dependable choice.
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Siemens 20-Amp Single-Pole Self-Testing GFCI Circuit Breaker
The Siemens QF120 provides ground fault circuit interrupter protection at the panel level, safeguarding an entire branch circuit rather than just a single outlet. It is self-testing and compatible with Siemens and Murray load centers, making it a popular retrofit option for bathrooms, kitchens, garages, and outdoor circuits. Well-reviewed by both DIYers and licensed electricians for its reliable tripping performance and easy installation.
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Siemens Single-Pole Plug-In Circuit Breaker 15 Amp
The Siemens Q115 is a plug-in single-pole breaker compatible with Siemens, Murray, and certain other panel brands, offering dependable overload and short-circuit protection. It includes a trip indicator flag that turns red when the breaker trips, simplifying diagnostics for homeowners. This is a top-selling option for anyone maintaining or upgrading a Siemens-compatible electrical panel.
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Square D 200-Amp 30-Space 30-Circuit Indoor Main Load Center
The Square D 200-Amp 30-Space 30-Circuit Indoor Main Load Center provides reliable whole-home electrical distribution for new construction and panel upgrade projects. Its 200-amp capacity accommodates heavy household loads, while 30 available spaces support a full range of breaker configurations for lighting, appliances, and dedicated circuits. The convertible main breaker design offers installation flexibility, and compatibility with Square D QO and Homeline breakers makes future expansions straightforward. Well-suited for homeowners, electricians, and contractors handling residential wiring projects of moderate to large scale.
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Square D Homeline 200-Amp 60-Space 60-Circuit Indoor Main Load Center
The Square D Homeline 200-Amp 60-Space 60-Circuit Indoor Main Load Center provides a robust electrical distribution solution for large residential installations or whole-home upgrades. Its 60 available spaces accommodate a full range of single- and double-pole breakers, making it well suited for homes with high electrical demand or planned expansions. The enclosure is designed for indoor use and is compatible with Square D Homeline breakers, simplifying future additions or replacements. Homeowners, contractors, and electricians handling new construction or panel upgrades will find this load center a reliable and code-ready choice.
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Square D Homeline Single-Pole Plug-On Neutral AFCI Circuit Breaker 15-Amp
This Homeline series AFCI circuit breaker from Square D provides arc fault protection for bedroom and living area circuits as required by modern electrical codes. It features a plug-on neutral design that eliminates the need for a pigtail wire, making installation faster and cleaner in compatible Homeline panels. Ideal for homeowners and electricians upgrading older wiring or completing new construction projects.
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Square D Single-Pole Plug-On Circuit Breaker 20-Amp for QO Load Centers
Designed for use with Square D QO load centers, this 20-amp single-pole plug-on circuit breaker provides reliable overcurrent and short-circuit protection for household branch circuits. The plug-on design allows for fast, tool-free installation with a secure connection to compatible QO panels. Built to Square D's Visi-Trip indicator, the toggle visually flags a tripped state for quick identification during troubleshooting. A practical choice for electricians and DIY homeowners upgrading or expanding an existing QO panel.
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Guides & reviews
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Complete guide to Eaton BR130 30-Amp Single-Pole Circuit Breaker
May 21, 2026
branch circuit
Eaton BR130 30-Amp Single-Pole Circuit Breaker review
May 21, 2026
Eaton
Type BR
Complete guide to Leviton LB120-2T 20-Amp Combination AFCI Circuit Breaker
May 21, 2026
AFCI
LB120-2T
arc fault
Leviton LB120-2T 20-Amp Combination AFCI Circuit Breaker review
May 21, 2026
AFCI breaker
Leviton
arc fault
Complete guide to Square D QO120CP 20-Amp Single-Pole Circuit Breaker
May 21, 2026
branch circuit
single-pole
Square D QO120CP 20-Amp Single-Pole Circuit Breaker review
May 21, 2026
circuit breaker
thermal magnetic
branch circuit
Square D QO130L200PG: Complete Buying Guide
May 5, 2026
electrical panel
Square D
load center