Plug-In Circuit Breakers

Shop plug-in circuit breakers for residential, commercial, and light-industrial panelboards, including standard, tandem, quad, AFCI, GFCI, and equipment-protection configurations.

Plug-in breakers are panel-specific. Confirm the manufacturer, panel series, exact catalog number, poles, amperage, voltage, interrupting rating, terminal arrangement, and panel label before choosing a replacement.

Send label photos to sales@ampstate.com for technical matching. View all circuit breakers.

Filters

Online Exclusive

SALE UP TO 25% OFF

Shop The Sale
Square D QO315EPD - 15 A 240 V 3-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO315EPD - 15 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
The Square D QO315EPD is a 15A, 240V, 3-pole plug-in molded case circuit breaker engineered...
Square D QO315 - 15 A 240 V 3-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO315 - 15 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Meet the Square D QO315—a 15 A, 240 V, 3-pole plug-in molded case circuit breaker...
Square D QO3100 - 100 A 240 V 3-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO3100 - 100 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Square D QO3100 is a 100 A, 240 V, 3-pole plug-in molded case circuit breaker...
Square D QO310 - 10 A 240 V 3-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO310 - 10 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Meet the Square D QO310 — a 10A, 240V, 3-pole plug-in molded case circuit breaker...
Square D QO3030 - 30 A 120 V 1-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO3030 - 30 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Elevate your panel protection with the Square D QO3030 30A, 120V, 1-Pole Plug-In Circuit Breaker—a...
Square D QO3020 - 20 A 120 V 1-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO3020 - 20 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Meet the Square D QO3020 20A, 120V, 1-Pole Plug-In Circuit Breaker—a compact, reliable solution from...
Square D QO3015 - 15 A 120 V 1-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO3015 - 15 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Meet the Square D QO3015 — a 15A, 120V, 1-Pole plug-in circuit breaker built to...
Square D QO290 - 90 A 240 V 2-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO290 - 90 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Square D QO290 — 90A, 240V, 2-pole plug-in molded case circuit breaker. Built for dependable...
Square D QO280 - 80 A 240 V 2-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO280 - 80 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
The Square D QO280 is a reliable, plug‑in molded case circuit breaker designed for dependable...
Square D QO270 - 70 A 240 V 2-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO270 - 70 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Introducing the Square D QO270 from AmpState — a 70A, 240V, 2-pole plug-in molded-case circuit...
Square D QO260VH - 60 A 120 V 2-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO260VH - 60 A, 120 V, 2-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Meet the Square D QO260VH—a 60A, 120V, 2-pole plug-in circuit breaker engineered for dependable branch...
Square D QO260GFI3W - 60 A 240 V 2-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO260GFI3W - 60 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Power your electrical system with precision using the Square D QO260GFI3W. This 60A, 240V, 2-pole...
« 1 2 3 4 5 … 134 »
Sort by
  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old