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, 60A, 2 Pole, 120/240V AC, 22kA at 120/240V AC - QO260VH
Regular price $124.88 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 60A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, A Curve - QO260GFI
Regular price $334.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 60A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO260C
Regular price $119.50 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 60A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO2601021
Regular price $289.58 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 50A, 2 Pole, 120/240V AC, 22kA at 120/240V AC - QO250VH
Regular price $117.10 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 50A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, A Curve - QO250GFI
Regular price $334.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 50A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO2501021
Regular price $275.18 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 40A, 2 Pole, 120/240V AC, 22kA at 120/240V AC - QO240VH
Regular price $118.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 40A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, A Curve - QO240GFI
Regular price $334.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 40A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO2401021
Regular price $303.98 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 30A, 2 Pole, 120/240V AC, 22kA at 120/240V AC - QO230VH
Regular price $111.18 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO230PL
Regular price $788.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO230HID
Regular price $130.86 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, A Curve - QO230GFI
Regular price $326.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO2301021
Regular price $289.58 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 25A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, A Curve - QO225GFI
Regular price $350.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 20A, 2 Pole, 120/240V AC, 22kA at 120/240V AC - QO220VH
Regular price $188.86 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 20A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO220SWN
Regular price $129.20 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 20A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO220HID
Regular price $101.42 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 20A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO220PL
Regular price $723.18 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 20A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, A Curve - QO220GFI
Regular price $313.58 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 20A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO2201021
Regular price $289.58 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 200A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO2200
Regular price $558.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 15A, 2 Pole, 120/240V AC, 22kA at 120/240V AC - QO215VH
Regular price $196.78 USDRegular priceUnit price per
