Molded Case Breakers

746 products

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

746 products

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HMCPE050K2C - Eaton - Molded Case Circuit Breaker

HMCPE050K2C - Eaton - Molded Case Circuit Breaker

Feed-Thru - 50 Amp - 3 Pole - 480 Volt

Eaton Cutler-Hammer

EGB3030FFG - Eaton - Molded Case Circuit Breaker

EGB3030FFG - Eaton - Molded Case Circuit Breaker

Feed Thru - 30 Amp - 3 Pole - 480 Volt

Eaton Cutler-Hammer

EHD3100 - Eaton - Molded Case Circuit Breaker

EHD3100 - Eaton - Molded Case Circuit Breaker

Bolt-On - 100 Amp - 3 Pole - 480 Volt

Eaton Cutler-Hammer

EHD3090 - Eaton - Molded Case Circuit Breaker

EHD3090 - Eaton - Molded Case Circuit Breaker

Bolt-On - 90 Amp - 3 Pole - 480 Volt

Eaton Cutler-Hammer

EHD3050 - Eaton - Molded Case Circuit Breaker

EHD3050 - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

TED124020 - GE - Molded Case Circuit Breaker

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

EJB34020SA - Square D 20 Amp 3 Pole 480 Volt Molded Case Circuit Breaker

EJB34020SA - Square D - Molded Case Circuit Breaker

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

Schneider Electric

HFDE308036 - Eaton - Molded Case Circuit Breaker

HFDE308036 - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

EGB34020SA - Square D 20 Amp 3 Pole 480 Volt Molded Case Circuit Breaker

EGB34020SA - Square D - Molded Case Circuit Breakers

Bolt On - 20 Amp - 3 Pole - 480 Volt

Schneider Electric

EDB34060SA - Square D 60 Amp 3 Pole 480 Volt Molded Case Circuit Breaker

EDB34060SA - Square D - Molded Case Circuit Breakers

Bolt On - 60 Amp - 3 Pole - 480 Volt

Schneider Electric

ED43B070 - Siemens - Molded Case Circuit Breaker

ED43B070 - Siemens - Molded Case Circuit Breaker

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

ED43B050 - Siemens - Molded Case Circuit Breaker

ED43B050 - Siemens - Molded Case Circuit Breaker

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

TEYL3100B - GE 100 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

TEYL3100B - GE - Molded Case Circuit Breaker

Bolt-On - 100 Amp - 3 Pole - 480 Volt

EGB3015FFG - Eaton - Molded Case Circuit Breaker

EGB3015FFG - Eaton - Molded Case Circuit Breaker

Feed-Thru - 15 Amp - 3 Pole - 480 Volt

Eaton Cutler-Hammer

GD3045 - Eaton - Molded Case Circuit Breaker

GD3045 - Eaton - Molded Case Circuit Breaker

Feed-Thru - 45 Amp - 3 Pole - 480 Volt

Eaton Cutler-Hammer

GD3035 - Eaton - Molded Case Circuit Breaker

GD3035 - Eaton - Molded Case Circuit Breaker

Feed-Thru - 35 Amp - 3 Pole - 480 Volt

Eaton Cutler-Hammer

EGB34050 - Square D 50 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EGB34050 - Square D 50 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EGB34050 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

EJB36080 - Square D 80 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EJB36080 - Square D 80 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EJB36080 - Square D - Molded Case Circuit Breaker

Bolt-On - 80 Amp - 3 Pole - 600 Volt

Schneider Electric

EJB36070 - Square D 70 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EJB36070 - Square D 70 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EJB36070 - Square D - Molded Case Circuit Breaker

Bolt-On - 70 Amp - 3 Pole - 600 Volt

Schneider Electric

EJB36035 - Square D 35 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EJB36035 - Square D 35 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EJB36035 - Square D - Molded Case Circuit Breaker

Bolt-On - 35 Amp - 3 Pole - 600 Volt

Schneider Electric

EJB34090 - Square D 90 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34090 - Square D 90 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34090 - Square D - Molded Case Circuit Breaker

Bolt-On - 90 Amp - 3 Pole - 480 Volt

Schneider Electric

EGB26030 - Square D 30 Amp 2 Pole 600 Volt Bolt-On Circuit Molded Case Breaker

EGB26030 - Square D 30 Amp 2 Pole 600 Volt Bolt-On Circuit Molded Case Breaker

EGB26030 - Square D - Molded Case Circuit Breaker

Bolt-On - 30 Amp - 2 Pole - 480 Volt

Schneider Electric

EGB26015 - Square D 15 Amp 2 Pole 600 Volt Bolt-On Circuit Breaker

EGB26015 - Square D 15 Amp 2 Pole 600 Volt Bolt-On Circuit Breaker

EGB26015 - Square D - Molded Case Circuit Breaker

Bolt-On - 15 Amp - 2 Pole - 480 Volt

Schneider Electric

EJB36040 - Square D 40 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EJB36040 - Square D 40 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EJB36040 - Square D - Molded Case Circuit Breaker

Bolt-On - 40 Amp - 3 Pole - 600 Volt

Schneider Electric

CQD215 - Siemens - Molded Case Circuit Breaker

CQD215 - Siemens - Molded Case Circuit Breaker

Feed-Thru - 15 Amp - 2 Pole - 480 Volt

EJB34125 - Square D 125 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34125 - Square D 125 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34125 - Square D - Molded Case Circuit Breaker

Bolt-On - 125 Amp - 3 Pole - 480 Volt

Schneider Electric

Save $1,200 CAD

EGB36015 - Square D 15 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EGB36015 - Square D 15 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EGB36015 - Square D - Molded Case Circuit Breaker

Bolt-On - 15 Amp - 3 Pole - 600 Volt

Schneider Electric

EGB36100 - Square D 100 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EGB36100 - Square D 100 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EGB36100 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

CQD225 - Siemens - Molded Case Circuit Breaker

CQD225 - Siemens - Molded Case Circuit Breaker

Feed Thru - 25 Amp - 2 Pole - 480 Volt

HED43B100 - Siemens 100 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

HED43B100 - Siemens - Molded Case Circuit Breaker

Bolt-On - 100 Amp - 3 Pole - 480 Volt

HED43B040 - Siemens 40 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

HED43B040 - Siemens - Molded Case Circuit Breaker

Bolt On - 40 Amp - 3 Pole - 480 Volt

ED42B100 - Siemens - Molded Case Circuit Breaker

Bolt On - 100 Amp - 2 Pole - 480 Volt

EJB34040 - Square D 40 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34040 - Square D 40 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34040 - Square D - Molded Case Circuit Breaker

Bolt-On - 40 Amp - 3 Pole - 480 Volt

Schneider Electric

EJB34020 - Square D 20 Amp 3 Pole 480 Volt Bolt-On Circuit Molded Case Breaker

EJB34020 - Square D 20 Amp 3 Pole 480 Volt Bolt-On Circuit Molded Case Breaker

EJB34020 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

EJB34015 - Square D 15 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34015 - Square D 15 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34015 - Square D - Molded Case Circuit Breaker

Bolt-On - 15 Amp - 3 Pole - 480 Volt

Schneider Electric

EGB34090 - Square D 90 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EGB34090 - Square D 90 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EGB34090 - Square D - Molded Case Circuit Breaker

Bolt-On - 90 Amp - 3 Pole - 480 Volt

Schneider Electric

EGB34060 - Square D 60 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EGB34060 - Square D 60 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EGB34060 - Square D - Molded Case Circuit Breaker

Bolt-On - 60 Amp - 3 Pole - 480 Volt

Schneider Electric

EGB34015 - Square D 15 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EGB34015 - Square D 15 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EGB34015 - Square D - Molded Case Circuit Breaker

Bolt-On - 15 Amp - 3 Pole - 480 Volt

Schneider Electric

EGB24100 - Square D 100 Amp 2 Pole 480 Volt Bolt-On Circuit Breaker

EGB24100 - Square D 100 Amp 2 Pole 480 Volt Bolt-On Circuit Breaker

EGB24100 - Square D - Molded Case Circuit Breaker

Bolt-On - 100 Amp - 2 Pole - 480 Volt

Schneider Electric

EGB24070 - Square D 70 Amp 2 Pole 480 Volt Bolt-On Circuit Breaker

EGB24070 - Square D 70 Amp 2 Pole 480 Volt Bolt-On Circuit Breaker

EGB24070 - Square D - Molded Case Circuit Breaker

Bolt-On - 70 Amp - 2 Pole - 480 Volt

Schneider Electric

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Molded Case Breakers