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.

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Square D QO170 - 70 A 120 V 1-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO170 - 70 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Square D QO170 is a 70A, 120V, 1-pole plug-in molded case circuit breaker designed to...
Square D QO160 - 60 A 120 V 1-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO160 - 60 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 QO160 — a 60A, 120V, 1-pole plug-in circuit breaker designed to...
Square D QO1530 - 30 A 120 V 1-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO1530 - 30 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
The Square D QO1530 is a 30A, 120V, 1-pole plug-in molded case circuit breaker designed...
Square D QO1520 - 20 A 120 V 1-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO1520 - 20 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Square D QO1520 is a dependable, plug-in molded case circuit breaker designed for robust branch...
Square D QO150 - 50 A 120 V 1-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO150 - 50 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
The Square D QO150 is a dependable, plug-in molded case circuit breaker engineered to protect...
Square D QO145 - 45 A 120 V 1-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO145 - 45 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 QO145 — a 45A, 120V, 1-pole plug-in circuit breaker built for...
Square D QO140 - 40 A 120 V 1-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO140 - 40 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 QO140—a compact, reliable solution for protecting your 120-volt circuits. This 40...
Square D QO135 - 35 A 120 V 1-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO135 - 35 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Protect branch circuits with confidence using the Square D QO135. This 35A, 120V, 1-pole plug-in...
Square D QO130VH - 30 A 240 V 1-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO130VH - 30 A, 240 V, 1-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Meet the Square D QO130VH — a dependable 30A, 240V, 1-pole plug-in molded case circuit...
Square D QO130PL - 30 A 240 V 1-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO130PL - 30 A, 240 V, 1-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Meet the Square D QO130PL—the 30A, 240V, 1-pole plug-in molded case circuit breaker designed for...
Square D QO130GFI - 30 A 120 V 1-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO130GFI - 30 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 QO130GFI—a dependable 30A, 120V, 1-pole plug-in molded case circuit breaker designed...
Square D QO130EPD - 30 A 120 V 1-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D QO130EPD - 30 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Discover dependable branch-circuit protection with the Square D QO130EPD 30A, 120V, 1-pole plug-in molded case...
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