Molded Case Breakers

7247 products

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

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NGB3B090B - Siemens - Molded Case Circuit Breaker

NGB3B090B - Siemens - Molded Case Circuit Breaker

Bolt On - 90 Amp - 3 Pole - 600 Volt

NGB3B015B - Siemens - Molded Case Circuit Breaker

NGB3B015B - Siemens - Molded Case Circuit Breaker

Bolt On - 15 Amp - 3 Pole - 600 Volt

MB9301 - Siemens - Molded Case Circuit Breaker

MB9301 - Siemens - Molded Case Circuit Breaker

Bolt On - 1600 Amp - 600 Volt

JD63T300 - Siemens 300 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Trip Unit

JD63T300 - Siemens - Trip Unit

Feed Thru - 300 Amp - 3 Pole - 600 Volt

HHJD63F400 - Siemens - Frame

Bolt-on - 400 Amp - 3 Pole - 600 Volt

FXD63S250A - Siemens - Molded Case Circuit Breaker

FXD63S250A - Siemens - Molded Case Circuit Breaker

Bolt-on - 250 Amp - 3 Pole - 600 Volt

ED63B040L - Siemens - Molded Case Circuit Breaker

ED63B040L - Siemens - Molded Case Circuit Breaker

Feed Thru - 40 Amp - 3 Pole - 600 Volt

ED63B035L - Siemens - Molded Case Circuit Breaker

ED63B035L - Siemens - Molded Case Circuit Breaker

Feed Thru - 35 Amp - 3 Pole - 600 Volt

CFD63B150 - Siemens - Molded Case Circuit Breaker

CFD63B150 - Siemens - Molded Case Circuit Breaker

CFD63B150 - Siemens - Molded Case Circuit Breaker

Bolt-On - 150 Amp - 3 Pole - 600 Volt

CED63B015L - Siemens - Molded Case Circuit Breaker

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

TQD22150WL - GE - Molded Case Circuit Breaker

TQD22150WL - GE - Molded Case Circuit Breaker

Feed-Thru - 150 Amp - 2 Pole - 240 Volt

TQD22125WL - GE - Molded Case Circuit Breaker

TQD22125WL - GE - Molded Case Circuit Breaker

Feed-Thru - 125 Amp - 2 Pole - 240 Volt

TJJ436400WL - GE 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

TJJ436400WL - GE - Molded Case Circuit Breaker

Feed-Thru - 400 Amp - 3 Pole - 600 Volt

THQC32015WL - GE - Molded Case Circuit Breaker

THQC32015WL - GE - Molded Case Circuit Breaker

Feed-Thru - 15 Amp - 3 Pole - 240 Volt

THQC1120WL - GE - Molded Case Circuit Breaker

THQC1120WL - GE - Molded Case Circuit Breaker

Feed-Thru - 20 Amp - 1 Pole - 120 Volt

TED136050WL - GE - Molded Case Circuit Breaker

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

TEB122040WL - GE 40 Amp 2 Pole 240 Volt Molded Case Circuit Breaker General Electric Lug

TEB122040WL - GE - Molded Case Circuit Breaker

Feed-Thru - 40 Amp - 2 Pole - 240 Volt

SELA36AT0150 - GE - Molded Case Circuit Breaker

Bolt-On - 150 Amp - 3 Pole - 600 Volt

JD3250F - Eaton - Molded Case Circuit Breaker

JD3250F - Eaton - Frame

Bolt-On - 250 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

HFD3040L - Eaton - Molded Case Circuit Breaker

HFD3040L - Eaton - Molded Case Circuit Breaker

Feed Thru - 40 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

Save $1,580.19 CAD

FDC3040L - Eaton - MoldedCase Circuit Breakers

FDC3040L - Eaton - MoldedCase Circuit Breakers

Feed Thru - 40 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

FDC2030L - Eaton - Molded Case Circuit Breaker

FDC2030L - Eaton - Molded Case Circuit Breaker

Feed-Thru - 30 Amp - 2 Pole - 600 Volt

Eaton Cutler-Hammer

FDB3100L - Eaton - Molded Case Circuit Breaker

FDB3100L - Eaton - Molded Case Circuit Breaker

Feed-Thru - 100 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

FDB3080L - Eaton - Molded Case Circuit Breaker

FDB3080L - Eaton - Molded Case Circuit Breaker

Feed-Thru - 80 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

FDB3070L - Eaton - Molded Case Circuit Breaker

FDB3070L - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

FDB2015L - Eaton - Molded Case Circuit Breaker

FDB2015L - Eaton - Molded Case Circuit Breaker

Feed-Thru - 15 Amp - 2 Pole - 600 Volt

Eaton Cutler-Hammer

FD3175L - Eaton - Molded Case Circuit Breaker

FD3175L - Eaton - Molded Case Circuit Breaker

Feed-Thru - 175 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

FD3150L - Eaton - Molded Case Circuit Breaker

FD3150L - Eaton - Molded Case Circuit Breaker

Feed-Thru - 150 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

FD3080L - Eaton - Molded Case Circuit Breaker

FD3080L - Eaton - Molded Case Circuit Breaker

Feed-Thru - 80 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

FD3070L - Eaton - Molded Case Circuit Breaker

FD3070L - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

EHD3015L - Eaton - Molded Case Circuit Breaker

EHD3015L - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

ED3200L - Eaton - Molded Case Circuit Breaker

Feed-Thru - 200 Amp - 3 Pole - 240 Volt

Eaton Cutler-Hammer

ED3125L - Eaton - Molded Case Circuit Breaker

Feed-Thru - 125 Amp - 3 Pole - 240 Volt

Eaton Cutler-Hammer

FH26015AC - Square D 15 Amp 2 Pole 600 Volt Molded Case Circuit Breaker

FH26015AC - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 15 Amp - 2 Pole - 600 Volt

Schneider Electric

QBA32200 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 200 Amp - 3 Pole - 240 Volt

Schneider Electric

QDA32125 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 125 Amp - 3 Pole - 240 Volt

Schneider Electric

QDA32100 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 100 Amp - 3 Pole - 240 Volt

Schneider Electric

QBA32125 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 125 Amp - 3 Pole - 240 Volt

Schneider Electric

LLA36400U33X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

LLA36400U33X - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 400 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $5,048 CAD

LAL36350 - Square D - Molded Case Circuit Breaker

LAL36350 - Square D - Molded Case Circuit Breaker

Feed-Thru - 350 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,545 CAD

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Molded Case Breakers