Square D miniature circuit breakers (MCBs), manufactured by Schneider Electric, provide reliable overcurrent and short-circuit protection for residential, commercial, and industrial electrical systems. Designed to automatically interrupt power during electrical faults, Square D MCBs help protect wiring, equipment, and connected devices while ensuring safe and dependable operation. Available in a variety of amperage ratings, pole configurations, and trip characteristics, Square D miniature circuit breakers are ideal for panelboards, control panels, machinery, and power distribution systems where compact, high-performance circuit protection is essential.
Square D Miniature Circuit Breakers
Square D miniature circuit breakers (MCBs), manufactured by Schneider Electric, provide reliable overcurrent and short-circuit protection for residential, commercial, and industrial electrical systems. Designed to automatically interrupt power during electrical faults, Square D MCBs help protect wiring, equipment, and connected devices while ensuring safe and dependable operation. Available in a variety of amperage ratings, pole configurations, and trip characteristics, Square D miniature circuit breakers are ideal for panelboards, control panels, machinery, and power distribution systems where compact, high-performance circuit protection is essential.
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Miniature Circuit Breaker, QO Series, 15A, 1x1, 1x1 Pole, 240V AC, 10kA at 120/240V AC - QO3015
Regular price $116.56 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 20A, 1x1, 1x1 Pole, 240V AC, 10kA at 120/240V AC - QO3020
Regular price $126.70 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 80A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO2801021
Regular price $526.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 90A, 2 Pole, 120/240V AC, 22kA at 120/240V AC - QO290VH
Regular price $249.58 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 70A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO2701021
Regular price $484.78 USDRegular priceUnit price per -
Mini Circuit Breaker, Qo, 60A, 2 Pole, 120/240VAC, 22KA, Plug in Mount, AC Shun - QO260VH1021
Regular price $297.58 USDRegular priceUnit price per -
QO Circuit Breaker, Mini, 60 A, 2 -Pole, 120/240 VAC, Plug Mounting - QO260GFICP
Regular price $644.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 60A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, B Curve - QO260EPD
Regular price $1,153.58 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 50A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, A Curve - QO250GFIC
Regular price $335.98 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 50A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, B Curve - QO250EPD
Regular price $1,196.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 40A, 2 Pole, 240V AC, 10kA at 120/240V AC - QO240H
Regular price $268.78 USDRegular priceUnit price per -
QO Miniature Circuit Breaker, Ground Fault, 40 A, 2-Pole, 120/240 VAC, Plug-In - QO240GFIC
Regular price $526.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, 40A, 2 Pole, 120/240V AC, 10kA 120/240 V AC - QO240EPD
Regular price $1,214.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO230PLILC
Regular price $286.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 30A, 2 Pole, 240V AC, 10kA at 120/240V AC - QO230H
Regular price $268.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, B Curve - QO230EPD
Regular price $1,092.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 25A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, B Curve - QO225EPD
Regular price $1,118.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 25A, 2 Pole, 120/240V AC, 22kA at 120/240V AC - QO225VH
Regular price $196.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 25A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO2251021
Regular price $300.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 20A, 2 Pole, 240V AC, 10kA at 120/240V AC - QO220H
Regular price $268.78 USDRegular priceUnit price per -
QO Circuit Breaker, Mini, 20 A, 2 -Pole, 120/240 VAC, Plug Mounting - QO220GFICP
Regular price $670.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 200A, 2 Pole, 120/240V AC, 22kA at 120/240V AC - QO2200VH
Regular price $1,111.98 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 20A, 2 Pole, 120/240V AC, 10kA at 120V AC, B Curve - QO220EPD
Regular price $1,113.58 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 175A, 2 Pole, 120/240V AC, 22kA at 120/240V AC - QO2175VH
Regular price $974.38 USDRegular priceUnit price per
