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, 30A, 3 Pole, 120/240V AC, 10kA at 120/240V AC - QOUR3305283CCC
Regular price $428.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 10A, 3 Pole, 120/240V AC, 10kA at 120/240V AC - QOUR310B
Regular price $414.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 60A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOUR260
Regular price $127.02 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 45A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOUR245
Regular price $136.30 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 40A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOUR240
Regular price $127.02 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOUR230
Regular price $138.96 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 20A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOUR220B
Regular price $128.14 USDRegular priceUnit price per -
Miniature Circuit Breaker 120/240V 20A |Square D By Schneider Electric QOUR2205283CCC - QOUR2205283CCC
Regular price $172.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 20A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOUR2205283
Regular price $179.18 USDRegular priceUnit price per -
Miniature Circuit Breaker 120/240V 15A |Square D By Schneider Electric QOUR2155283CCC - QOUR2155283CCC
Regular price $169.58 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 20A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOUR220
Regular price $125.68 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 10A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOUR2105283
Regular price $169.58 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 10A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOUR2103100
Regular price $135.12 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 15A, 1 Pole, 120/240V AC, 10kA at 120/240V AC - QOUR1155283CCC
Regular price $91.18 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 40A, 3 Pole, 120/240V AC, 10kA at 120/240V AC - QOUQ340
Regular price $395.18 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 60A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOUQ260RP
Regular price $135.12 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 60A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOUQ260
Regular price $138.16 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 60A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOUQ260B
Regular price $119.02 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOUQ230
Regular price $139.28 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 60A, 3 Pole, 120/240V AC, 10kA at 120/240V AC - QOU360B
Regular price $358.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 60A, 3 Pole, 120/240V AC, 10kA at 120/240V AC - QOU3605283
Regular price $399.98 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 60A, 3 Pole, 120/240V AC, 10kA at 120/240V AC - QOU3601042
Regular price $619.18 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 50A, 3 Pole, 120/240V AC, 10kA at 120/240V AC - QOU350B
Regular price $377.58 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 40A, 3 Pole, 240V AC, 10kA at 120/240V AC - QOU3405283
Regular price $475.18 USDRegular priceUnit price per
