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Circuit Breakers

Shop our wide selection of Siemens, GE, Eaton Cutler-Hammer, Square D circuit breakers and more.

MD4K - Eaton Cutler-Hammer 800 Amp 600 Volt Bolt-On Circuit Breaker Mounting Hardware

Eaton Cutler-Hammer

$528.03

MD4K - Eaton Cutler-Hammer 800 Amp 600 Volt Bolt-On Circuit Breaker Mounting Hardware PCS direct replacement mounting hardware for Westinghouse PRL...

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$528.03
MD63F800 - Siemens 800 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Frame

MD63F800 - Siemens 800 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Frame

Siemens / ITE

$1,417.55

MD63F800 - Siemens 800 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Frame Siemens, Sentron Series, type MD, 3P, 3PH, 800A, 600V, 50kA@480V, stan...

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$1,417.55
MD63T500 - Siemens 500 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Trip Unit

MD63T500 - Siemens 500 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Trip Unit

Siemens / ITE

$757.48

MD63T500 - Siemens 500 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Trip Unit Siemens, Sentron Series, trip unit or programmer, type MD, 3P, 600...

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$757.48
MD63T600 - Siemens 600 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Trip Unit

MD63T600 - Siemens 600 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Trip Unit

Siemens / ITE

$757.11

MD63T600 - Siemens 600 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Trip Unit Siemens, Sentron Series, trip unit or programmer, type MD, 3P, 600...

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$757.11
MD63T700 - Siemens 700 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Trip Unit

MD63T700 - Siemens 700 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Trip Unit

Siemens / ITE

$759.76

MD63T700 - Siemens 700 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Trip Unit Siemens, Sentron Series, trip unit or programmer, type MD, 3P, 600...

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$759.76
MD63T800 - Siemens 800 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Trip Unit

MD63T800 - Siemens 800 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Trip Unit

Siemens / ITE

$759.77

MD63T800 - Siemens 800 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Trip Unit Siemens, Sentron Series, trip unit or programmer, type MD, 3P, 600...

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$759.77

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