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 Load Centers, QO Load Center Accessory Use With, 15A, 1 Poles - QO115PL
Regular price $227.18 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 15A, 1 Pole, 120V AC, 10kA at 120V AC - QO115DF
Regular price $212.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 30A, 3 Pole, 240V AC, 65kA at 120V AC - QH330
Regular price $395.18 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 20A, 2 Pole, 120/240V AC, 65kA at 120V AC - QH220
Regular price $267.18 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120/240V AC, 65kA at 120V AC - QH120
Regular price $153.71 USDRegular priceUnit price per -
Miniature Circuit Breaker, HOMELINE Series, 20A, 1 Pole, 120V AC, 10kA at 120V AC - HOMT2020
Regular price $108.16 USDRegular priceUnit price per -
Miniature Circuit Breaker, HOMELINE Series, 25A, 2 Pole, 240V AC, 10kA at 240V AC, A Curve - HOM225GFI
Regular price $334.38 USDRegular priceUnit price per -
Miniature Circuit Breaker 120/240V 20A | Square D HOM220GFIC - HOM220GFIC
Regular price $294.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, HOMELINE Series, 20A, 2 Pole, 240V AC, 10kA at 240V AC, A Curve - HOM220GFI
Regular price $316.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, HOMELINE Series, 200A, 2 Pole, 240V AC, 10kA at 240V AC - HOM2200
Regular price $305.58 USDRegular priceUnit price per -
Miniature Circuit Breaker, HOMELINE Series, 20A, 2 Pole, 240V AC, 10kA at 240V AC, B Curve - HOM220EPD
Regular price $1,172.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, HOMELINE Series, 15A, 2 Pole, 240V AC, 10kA at 240V AC, A Curve - HOM215GFI
Regular price $331.18 USDRegular priceUnit price per -
Miniature Circuit Breaker, HOMELINE Series, 150A, 2 Pole, 240V AC, 10kA at 240V AC - HOM2150
Regular price $305.58 USDRegular priceUnit price per -
Miniature Circuit Breaker, HOM Series, 20A, 1 Pole, 120V AC, 10kA, A Curve - HOM120GFICP
Regular price $126.64 USDRegular priceUnit price per -
Miniature Circuit Breaker, HOMELINE Series, 20A, 1 Pole, 120V AC, 10kA at 120V AC, A Curve - HOM120GFI
Regular price $116.24 USDRegular priceUnit price per -
Miniature Circuit Breaker, HOMELINE Series, 20A, 1 Pole, 120V AC, 10kA at 120V AC, B Curve - HOM120EPD
Regular price $593.58 USDRegular priceUnit price per -
Miniature Circuit Breaker, HOMELINE Series, 15A, 1 Pole, 120V AC, 10kA at 120V AC - HOM115CAFI
Regular price $119.02 USDRegular priceUnit price per -
Miniature Circuit Breaker 600V 40A | Square D EJB36040 - EJB36040
Regular price $6,605.90 USDRegular priceUnit price per -
Miniature Circuit Breaker 600V 15A | Square D EJB36015 - EJB36015
Regular price $6,607.89 USDRegular priceUnit price per -
Miniature Circuit Breaker 480Y/277V 45A | Square D EJB34045 - EJB34045
Regular price $1,682.38 USDRegular priceUnit price per -
Miniature Circuit Breaker 480Y/277V 90A | Square D EJB34090 - EJB34090
Regular price $1,771.44 USDRegular priceUnit price per -
Miniature Circuit Breaker 480Y/277V 60A | Square D EJB24060 - EJB24060
Regular price $1,229.18 USDRegular priceUnit price per -
Miniature Circuit Breaker 480Y/277V 25A | Square D EJB34025 - EJB34025
Regular price $1,333.73 USDRegular priceUnit price per -
Miniature Circuit Breaker 480Y/277V 40A | Square D EJB24040 - EJB24040
Regular price $1,255.54 USDRegular priceUnit price per
