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 240V 15A | Square D QO215H5237 - QO215H5237
Regular price $187.18 USDRegular priceUnit price perSale price $187.18 USDShop Now -
Miniature Circuit Breaker, QO Series, 175A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO2175
Regular price $566.38 USDRegular priceUnit price perSale price $566.38 USDShop Now -
Miniature Circuit Breaker, QO Series, 15A, 2 Pole, 240V AC, 10kA at 120/240V AC - QO215H
Regular price $187.18 USDRegular priceUnit price perSale price $187.18 USDShop Now -
Miniature Circuit Breaker, QO Series, 15A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, B Curve - QO215EPD
Regular price $1,075.18 USDRegular priceUnit price perSale price $1,075.18 USDShop Now -
Miniature Circuit Breaker, QO Series, 125A, 2 Pole, 120/240V AC, 22kA at 120/240V AC - QO2125VH
Regular price $763.18 USDRegular priceUnit price perSale price $763.18 USDShop Now -
Miniature Circuit Breaker, QO Series, 15A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO2151021
Regular price $289.58 USDRegular priceUnit price perSale price $289.58 USDShop Now -
Miniature Circuit Breaker, QO Series, 110A, 2 Pole, 120/240V AC, 22kA at 120/240V AC - QO2110VH
Regular price $759.98 USDRegular priceUnit price perSale price $759.98 USDShop Now -
Miniature Circuit Breaker, QO Series, 10A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO2105237
Regular price $82.32 USDRegular priceUnit price perSale price $82.32 USDShop Now -
Miniature Circuit Breaker, QO Series, 110A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QO2110
Regular price $484.78 USDRegular priceUnit price perSale price $484.78 USDShop Now -
Miniature Circuit Breaker, QO Series, 100A, 2 Pole, 120/240V AC, 22kA at 120/240V AC - QO2100VH
Regular price $230.38 USDRegular priceUnit price perSale price $230.38 USDShop Now -
Miniature Circuit Breaker, QO Series, 100A, 2 Pole, 240V AC, 10kA at 120/240V AC - QO2100H
Regular price $339.18 USDRegular priceUnit price perSale price $339.18 USDShop Now -
Miniature Circuit Breaker, QO Series, 30A, 1x1, 1x1 Pole, 240V AC, 10kA at 120/240V AC - QO2030
Regular price $131.66 USDRegular priceUnit price perSale price $131.66 USDShop Now -
Miniature Circuit Breaker, QO Series, 15A, 1x1, 1x1 Pole, 240V AC, 10kA at 120/240V AC - QO2015
Regular price $116.72 USDRegular priceUnit price perSale price $116.72 USDShop Now -
Miniature Circuit Breaker, QO Series, 60A, 2 Pole, 240V AC, 10kA at 240V AC - QO200
Regular price $107.66 USDRegular priceUnit price perSale price $107.66 USDShop Now -
Miniature Circuit Breaker, QO Series, 30A, 1x1, 1x1 Pole, 240V AC, 10kA at 120/240V AC - QO1530
Regular price $112.72 USDRegular priceUnit price perSale price $112.72 USDShop Now -
Miniature Circuit Breaker, QO Series, 30A, 1 Pole, 120V AC, 22kA at 120V AC, A Curve - QO130VHGFI
Regular price $452.78 USDRegular priceUnit price perSale price $452.78 USDShop Now -
Miniature Circuit Breaker, QO Series, 30A, 1 Pole, 120/240V AC, 10kA at 120V AC, B Curve - QO130EPD
Regular price $550.38 USDRegular priceUnit price perSale price $550.38 USDShop Now -
SQUARE D QO120VHPCAFI Miniature Circuit Breaker, HOMELINE Series, 20A, 1 Pole, - QO120VHPCAFI
Regular price $534.38 USDRegular priceUnit price perSale price $534.38 USDShop Now -
Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120V AC, 22kA at 120V AC, A Curve - QO120VHGFI
Regular price $427.18 USDRegular priceUnit price perSale price $427.18 USDShop Now -
Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120V AC, 22kA at 120V AC - QO120VHDF
Regular price $595.18 USDRegular priceUnit price perSale price $595.18 USDShop Now -
Miniature Circuit Breaker, HOMELINE Series, 20A, 1 Pole, 120V AC, 22kA at 120V AC - QO120VHCAFI
Regular price $420.78 USDRegular priceUnit price perSale price $420.78 USDShop Now -
Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120V AC, 10kA at 120V AC, B Curve - QO120EPD
Regular price $606.38 USDRegular priceUnit price perSale price $606.38 USDShop Now -
Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120V AC, 10kA at 120V AC - QO120DF
Regular price $188.78 USDRegular priceUnit price perSale price $188.78 USDShop Now -
Miniature Circuit Breaker, HOMELINE Series, 15A, 1 Pole, 120V AC, 22kA at 120V AC - QO115VHCAFI
Regular price $667.18 USDRegular priceUnit price perSale price $667.18 USDShop Now
