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400 Amp Circuit Breakers
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400 Amp Circuit Breakers

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LA36400

Square D LA36400

400A 3 Pole Molded Case Circuit Breaker
LAL36400

Square D LAL36400

400A 3 Pole Molded Case Circuit Breaker
Siemens JXD63B400 - 400A 3 Pole Molded Case Circuit Breaker

Siemens JXD63B400

400A 3 Pole Molded Case Circuit Breaker
ABB / General Electric SGLA36AT0400 - 400A 3 Pole Molded Case Circuit Breaker Frame Only

ABB / General Electric SGLA36AT0400

400A 3 Pole Molded Case Circuit Breaker Frame Only
ABB / General Electric SGHA36AT0400 - 400A 3 Pole Molded Case Circuit Breaker Frame Only

ABB / General Electric SGHA36AT0400

400A 3 Pole Molded Case Circuit Breaker Frame Only
Eaton / Cutler-Hammer HKD3400 - 400A 3 Pole Molded Case Circuit Breaker

Eaton / Cutler-Hammer HKD3400

400A 3 Pole Molded Case Circuit Breaker
KD3400

Eaton / Cutler-Hammer KD3400

400A 3 Pole Molded Case Circuit Breaker
Square D LJA36400U31X 3 Pole Circuit Breaker

Square D LJA36400U31X

400A 3 Pole Molded Case Circuit Breaker
Siemens HJXD63B400 - 400A 3 Pole Molded Case Circuit Breaker

Siemens HJXD63B400

400A 3 Pole Molded Case Circuit Breaker
Eaton / Cutler-Hammer DK3400 - 400A 3 Pole Molded Case Circuit Breaker

Eaton / Cutler-Hammer DK3400

400A 3 Pole Molded Case Circuit Breaker
LH36400

Square D LH36400

400A 3 Pole Molded Case Circuit Breaker
Square D LC36400 - 400A 3 Pole Molded Case Circuit Breaker

Square D LC36400

400A 3 Pole Molded Case Circuit Breaker
General Electric SGDA32AT0400 3 Pole Circuit Breaker

ABB / General Electric SGDA32AT0400

400A 3 Pole Molded Case Circuit Breaker
Square D LGA36400U31X - 400A 3 Pole Molded Case Circuit Breaker

Square D LGA36400U31X

400A 3 Pole Molded Case Circuit Breaker
Siemens JXD23B400 - 400A 3 Pole Molded Case Circuit Breaker

Siemens JXD23B400

400A 3 Pole Molded Case Circuit Breaker
Federal Pacific NJL631400 3 Pole Circuit Breaker

Federal Pacific NJL631400

400A 3 Pole Molded Case Circuit Breaker
Square D LAP36400MB 3 Pole Circuit Breaker

Square D LAP36400MB

400A 3 Pole Molded Case Circuit Breaker
Siemens JD63B400 3 Pole Circuit Breaker

Siemens JD63B400

400A 3 Pole Molded Case Circuit Breaker
Siemens JXD63S400A 3 Pole Circuit Breaker

Siemens JXD63S400A

400A 3 Pole Molded Case Switch
Siemens HJD63B400 - 400A 3 Pole Molded Case Circuit Breaker

Siemens HJD63B400

400A 3 Pole Molded Case Circuit Breaker
Cutler-Hammer / Westinghouse LA3400 3 Pole Circuit Breaker

Eaton / Cutler-Hammer LA3400

400A 3 Pole Molded Case Circuit Breaker
General Electric TJJ436400WL 3 Pole Circuit Breaker

ABB / General Electric TJJ436400WL

400A 3 Pole Molded Case Circuit Breaker
Square D LHL36000M 3 Pole Circuit Breaker

Square D LHL36000M

400A 3 Pole Automatic Molded Case Switch
Siemens JL3B400 3 Pole Circuit Breaker

Siemens JL3B400

400A 3 Pole Molded Case Circuit Breaker
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About 400 Amp Circuit Breakers

400 Amp Circuit Breakers

Shop 400 amp circuit breakers across leading brands and series. Filter 400A breakers by poles, voltage, series, mounting style, phase, special classification, trip technology, and family.

Match amperage, voltage, pole count, series, and mounting style to your equipment before ordering. Need help identifying a replacement? Request a quote.
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