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, 20A, 2 Pole, 120/240V AC, 22kA at 120/240V AC - QOB220VH1021
Regular price $513.58 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 15A, 2 Pole, 120V AC, 10kA at 120V AC - QOB215SWN
Regular price $182.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 15A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOB215HID
Regular price $166.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 15A, 2 Pole, 240V AC, 10kA at 120/240V AC - QOB215H
Regular price $383.98 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 15A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, A Curve - QOB215GFI
Regular price $636.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 15A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, B Curve - QOB215EPD
Regular price $1,318.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 15A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOB2151021
Regular price $465.58 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 150A, 2 Pole, 120/240V AC, 22kA at 120/240V AC - QOB2150VH
Regular price $2,020.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 125A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOB2125
Regular price $723.18 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 10A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOB2105237
Regular price $169.58 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 110A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOB2110
Regular price $886.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 100A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOB21001021
Regular price $678.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 70A, 1 Pole, 120/240V AC, 10kA at 120/240V AC - QOB170
Regular price $138.16 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 100A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOB2100H
Regular price $531.18 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 40A, 1 Pole, 120/240V AC, 10kA at 120/240V AC - QOB1401021
Regular price $377.58 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120V AC, 22kA at 120V AC, A Curve - QOB120VHGFI
Regular price $663.98 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 30A, 1 Pole, 120/240V AC, 10kA at 120/240V AC - QOB1301021
Regular price $382.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120V AC, 22kA at 120V AC - QOB120VHDF
Regular price $623.98 USDRegular priceUnit price per -
Miniature Circuit Breaker, HOMELINE Series, 20A, 1 Pole, 120V AC, 22kA at 120V AC - QOB120VHCAFI
Regular price $540.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120/240V AC, 22kA at 120/240V AC - QOB120VH1021
Regular price $372.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, 20A, 1 Pole, 120/240V AC, 10kA 120 V AC - QOB120PL5393
Regular price $223.98 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120V AC, 10kA at 120V AC - QOB120DF
Regular price $287.98 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 15A, 1 Pole, 120V AC, 22kA at 120V AC, A Curve - QOB115VHGFI
Regular price $663.98 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 15A, 1 Pole, 120/240V AC, 22kA at 120/240V AC - QOB115VH
Regular price $132.78 USDRegular priceUnit price per
