Molded Case Breakers

7247 products

Shop our wide selection molded case (MCCB) circuit breakers.

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GD2050 - Eaton - Molded Case Circuit Breaker

GD2050 - Eaton - Molded Case Circuit Breaker

Feed-Thru - 50 Amp - 2 Pole - 480 Volt

Eaton Cutler-Hammer

GD2040 - Eaton - Molded Case Circuit Breaker

GD2040 - Eaton - Molded Case Circuit Breaker

Feed-Thru - 40 Amp - 2 Pole - 480 Volt

Eaton Cutler-Hammer

GD2020 - Eaton - Molded Case Circuit Breaker

GD2020 - Eaton - Molded Case Circuit Breaker

Feed-Thru - 20 Amp - 2 Pole - 480 Volt

Eaton Cutler-Hammer

GD2015 - Eaton - Molded Case Circuit Breaker

GD2015 - Eaton - Molded Case Circuit Breaker

Feed-Thru - 15 Amp - 2 Pole - 5 Volt

Eaton Cutler-Hammer

EGB34045 - Square D 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EGB34045 - Square D 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EGB34045 - Square D - Molded Case Circuit Breaker

Bolt-On - 45 Amp - 3 Pole - 480 Volt

Schneider Electric

EDB14035 - Square D 35 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker

EDB14035 - Square D - Molded Case Circuit Breaker

Bolt-On - 35 Amp - 1 Pole - 277 Volt

Schneider Electric

EJB34045 - Square D 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EJB34045 - Square D 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EJB34045 - Square D - Molded Case Circuit Breaker

Bolt-On - 45 Amp - 3 Pole - 480 Volt

Schneider Electric

EJB24125 - Square D 125 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EJB24125 - Square D 125 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EJB24125 - Square D - Molded Case Circuit Breaker

Bolt-On - 125 Amp - 2 Pole - 480 Volt

Schneider Electric

EJB24045 - Square D 45 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EJB24045 - Square D 45 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EJB24045 - Square D - 45 Amp Molded Case Circuit Breaker

Bolt-On - 45 Amp - 2 Pole - 480 Volt

Schneider Electric

Limited availability

EGB24125 - Square D 125 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EGB24125 - Square D 125 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EGB24125 - Square D - Molded Case Circuit Breaker

Bolt-On - 125 Amp - 2 Pole - 480 Volt

Schneider Electric

EGB24040 - Square D 40 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EGB24040 - Square D 40 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EGB24040 - Square D - Molded Case Circuit Breaker

Bolt-On - 40 Amp - 2 Pole - 480 Volt

Schneider Electric

Limited availability

EGB14050 - Square D 50 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker

EGB14050 - Square D 50 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker

EGB14050 - Square D - Molded Case Circuit Breaker

Bolt-On - 50 Amp - 1 Pole - 277 Volt

Schneider Electric

EDB14050 - Square D 50 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker

EDB14050 - Square D - Molded Case Circuit Breaker

Bolt-On - 50 Amp - 1 Pole - 277 Volt

Schneider Electric

HB2B100 - Siemens - Molded Case Circuit Breaker

HB2B100 - Siemens - Molded Case Circuit Breaker

Bolt-On - 100 Amp - 2 Pole - 240 Volt

BG3B015 - Siemens - Molded Case Circuit Breaker

Bolt-On - 15 Amp - 3 Pole - 240 Volt

LGG3B090L - Siemens - Molded Case Circuit Breaker

LGG3B090L - Siemens - Molded Case Circuit Breaker

Feed-Thru - 90 Amp - 3 Pole - 600 Volt

LGG3B070L - Siemens - Molded Case Circuit Breaker

LGG3B070L - Siemens - Molded Case Circuit Breaker

Feed-Thru - 70 Amp - 3 Pole - 600 Volt

LGG3B060L - Siemens - Molded Case Circuit Breaker

LGG3B060L - Siemens - Molded Case Circuit Breaker

Feed-Thru - 60 Amp - 3 Pole - 600 Volt

LGG3B050L - Siemens - Molded Case Circuit Breaker

LGG3B050L - Siemens - Molded Case Circuit Breaker

Feed-Thru - 50 Amp - 3 Pole - 600 Volt

LGG3B040L - Siemens - Molded Case Circuit Breaker

LGG3B040L - Siemens - Molded Case Circuit Breaker

Feed-Thru - 40 Amp - 3 Pole - 600 Volt

LGG3B020L - Siemens - Molded Case Circuit Breaker

LGG3B020L - Siemens - Molded Case Circuit Breaker

Feed-Thru - 20 Amp - 3 Pole - 600 Volt

LGG3B015L - Siemens - Molded Case Circuit Breaker

LGG3B015L - Siemens - Molded Case Circuit Breaker

Feed-Thru - 15 Amp - 3 Pole - 600 Volt

LGB3B100B - Siemens - Molded Case Circuit Breaker

LGB3B100B - Siemens - Molded Case Circuit Breaker

Bolt-On - 100 Amp - 3 Pole - 600 Volt

LGB3B020B - Siemens - Molded Case Circuit Breaker

LGB3B020B - Siemens - Molded Case Circuit Breaker

Bolt-On - 20 Amp - 3 Pole - 480 Volt

LGB2B070B - Siemens - Molded Case Circuit Breaker

LGB2B070B - Siemens - Molded Case Circuit Breaker

Bolt-On - 70 Amp - 2 Pole - 600 Volt

LGB2B060B - Siemens - Molded Case Circuit Breaker

LGB2B060B - Siemens - Molded Case Circuit Breaker

Bolt-On - 60 Amp - 2 Pole - 600 Volt

HGB3B045B - Siemens - Molded Case Circuit Breaker

HGB3B045B - Siemens - Molded Case Circuit Breaker

Bolt-On - 45 Amp - 3 Pole - 600 Volt

HGB2B070B - Siemens - Molded Case Circuit Breaker

HGB2B070B - Siemens - Molded Case Circuit Breaker

Bolt-On - 80 Amp - 2 Pole - 600 Volt

HGB1B015B - Siemens - Molded Case Circuit Breaker

HGB1B015B - Siemens - Molded Case Circuit Breaker

Bolt-On - 15 Amp - 1 Pole - 347 Volt

A01ED62B - Siemens - Molded Case Circuit Breaker

Limited availability

B220HID - Siemens - Molded Case Circuit Breaker

B220HID - Siemens - Molded Case Circuit Breaker

Bolt-On - 20 Amp - 2 Pole - 240 Volt

B2125HH - Siemens 125 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker

B2125HH - Siemens - Molded Case Circuit Breaker

Bolt On - 125 Amp - 2 Pole - 240 Volt

EJB34050 - Square D 50 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EJB34050 - Square D 50 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EJB34050 - Square D - Molded Case Circuit Breaker

Bolt-On - 50 Amp - 3 Pole - 480 Volt

Schneider Electric

EJB24040 - Square D 40 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EJB24040 - Square D 40 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EJB24040 - Square D - Molded Case Circuit Breaker

Bolt-On - 40 Amp - 2 Pole - 480 Volt

Schneider Electric

Limited availability

EJB36025 - Square D 25 Amp 3 Pole 600 Volt Bolt-On Circuit Molded Case Breaker

EJB36025 - Square D 25 Amp 3 Pole 600 Volt Bolt-On Circuit Molded Case Breaker

EJB36025 - Square D - Molded Case Circuit Breaker

Bolt-On - 25 Amp - 3 Pole - 600 Volt

Schneider Electric

EJB34080 - Square D 80 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34080 - Square D 80 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34080 - Square D - Molded Case Circuit Breaker

Bolt-On - 80 Amp - 3 Pole - 480 Volt

Schneider Electric

EJB34070 - Square D 70 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34070 - Square D 70 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34070 - Square D - Molded Case Circuit Breaker

Bolt-On - 70 Amp - 3 Pole - 480 Volt

Schneider Electric

EJB34035 - Square D 35 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34035 - Square D 35 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34035 - Square D - Molded Case Circuit Breaker

Bolt-On - 35 Amp - 3 Pole - 480 Volt

Schneider Electric

EJB34025 - Square D 25 Amp 3 Pole 480 Volt Bolt-On Circuit Molded Case Breaker

EJB34025 - Square D 25 Amp 3 Pole 480 Volt Bolt-On Circuit Molded Case Breaker

EJB34025 - Square D - Molded Case Circuit Breaker

Bolt-On - 25 Amp - 3 Pole - 480 Volt

Schneider Electric

EJB26090 - Square D 90 Amp 2 Pole 600 Volt Bolt-On Circuit Breaker

EJB26090 - Square D 90 Amp 2 Pole 600 Volt Bolt-On Circuit Breaker

EJB26090 - Square D - Molded Case Circuit Breaker

Bolt-On - 90 Amp - 2 Pole - 600 Volt

Schneider Electric

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Molded Case Breakers