Molded Case Breakers

7247 products

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

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FD2125 - Eaton - Molded Case Circuit Breaker

FD2125 - Eaton - Molded Case Circuit Breaker

Bolt-On - 125 Amp - 2 Pole - 600 Volt

Eaton Cutler-Hammer

NGC312032E - Eaton - Molded Case Circuit Breaker

NGC312032E - Eaton - Molded Case Circuit Breaker

Bolt-On - 1200 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

Save $6,117 CAD

EGB36050 - Square D 50 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker

EGB36050 - Square D 50 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker

EGB36050 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

EJB26040 - Square D 40 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker

EJB26040 - Square D 40 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker

EJB26040 - Square D - Molded Case Circuit Breaker

Bolt-On - 40 Amp - 2 Pole - 600 Volt

Schneider Electric

Limited availability

EJB36045 - Square D 45 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker

EJB36045 - Square D 45 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker

EJB36045 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

ED43B050 - Siemens - Molded Case Circuit Breaker

ED43B050 - Siemens - Molded Case Circuit Breaker

ED43B050 - Siemens - Molded Case Circuit Breaker

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

CH120CAFA - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Molded Case Circuit Breakers

CH120CAFA - Eaton - 20 Amp Molded Case Circuit Breakers

Plug-In - 20 Amp - 1 Pole - 120 Volt

Eaton Cutler-Hammer

NGG3B060L - Siemens - Molded Case Circuit Breaker

NGG3B060L - Siemens - Molded Case Circuit Breaker

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

FBV36TE015RV - GE 15 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker

FBV36TE015RV - GE - Molded Case Circuit Breaker

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

Limited availability

CHOM2175BB - Square D 175 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker

CHOM2175BB - Square D - Molded Case Circuit Breaker

Plug-In - 175 Amp - 2 Pole - 240 Volt

Schneider Electric

BDL26100 - Square D 100 Amp 2 Pole 600 Volt Molded Case Circuit Breaker

BDL26100 - Square D - Molded Case Circuit Breaker

Feed-Thru - 100 Amp - 2 Pole - 600 Volt

Schneider Electric

NGH308032E - Eaton - Molded Case Circuit Breaker

NGH308032E - Eaton - Molded Case Circuit Breaker

Bolt-On - 800 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

Save $7,007 CAD

HKD3125 - Eaton - Molded Case Circuit Breaker

HKD3125 - Eaton - Molded Case Circuit Breaker

Feed-Thru - 125 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

Save $1,780 CAD

HJL36070 - Square D - Molded Case Circuit Breaker

HJL36070 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

BGA36060 - Square D 60 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

BGA36060 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 30 Amp - 3 Pole - 600 Volt

Schneider Electric

BW2125 - Eaton - Molded Case Circuit Breaker

BW2125 - Eaton - Main Circuit Breaker

Bolt-On - 125 Amp - 2 Pole - 240 Volt

Eaton Cutler-Hammer

EDB3225L - Eaton - Molded Case Circuit Breaker

Feed-Thru - 225 Amp - 3 Pole - 240 Volt

Eaton Cutler-Hammer

HDA261252 - Square D 125 Amp 2 Pole 600 Volt Molded Case Circuit Breaker

HDA261252 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 125 Amp - 2 Pole - 600 Volt

Schneider Electric

EDB14060 - Square D 60 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker

EDB14060 - Square D - Molded Case Circuit Breaker

Bolt-On - 60 Amp - 1 Pole - 277 Volt

Schneider Electric

LGG3B030L - Siemens - Molded Case Circuit Breaker

LGG3B030L - Siemens - Molded Case Circuit Breaker

Feed-Thru - 30 Amp - 3 Pole - 600 Volt

Limited availability

EJB36090 - Square D 90 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EJB36090 - Square D 90 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EJB36090 - Square D - Molded Case Circuit Breaker

Bolt-On - 90 Amp - 3 Pole - 600 Volt

Schneider Electric

EJB34100 - Square D 100 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34100 - Square D 100 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34100 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

EJB16030 - Square D 30 Amp 1 Pole 347 Volt Bolt-On Circuit Molded Case Breaker

EJB16030 - Square D 30 Amp 1 Pole 347 Volt Bolt-On Circuit Molded Case Breaker

EJB16030 - Square D - Molded Case Circuit Breaker

Bolt-On - 30 Amp - 1 Pole - 347 Volt

Schneider Electric

Limited availability

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

CQD215 - Siemens - Molded Case Circuit Breaker

CQD215 - Siemens - Molded Case Circuit Breaker

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

LDA36400U33X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

LDA36400U33X - Square D - Molded Case Circuit Breaker

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

Schneider Electric

LDL36400U31X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

LDL36400U31X - Square D - Molded Case Circuit Breaker

Feed Thru - 400 Amp - 3 Pole - 600 Volt

Schneider Electric

LDA36600U33X - Square D 600 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

LDA36600U33X - Square D - Molded Case Circuit Breaker

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

Schneider Electric

JJA36250U44X - Square D 250 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

JJA36250U44X - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 250 Amp - 3 Pole - 600 Volt

Schneider Electric

HJL36150M74 - Square D 150 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

HJL36150M74 - Square D - Molded Case Circuit Breaker

Feed Thru - 150 Amp - 3 Pole - 600 Volt

Schneider Electric

JDB3250 - Eaton - Molded Case Circuit Breaker

JDB3250 - Eaton - Molded Case Circuit Breaker

Feed-Thru - 250 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

Save $1,626 CAD

HMCP400X5 - Eaton - Molded Case Circuit Breaker

HMCP400X5 - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

HKD3350 - Eaton - Molded Case Circuit Breaker

HKD3350 - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

Limited availability

FDC3225 - Eaton - Molded Case Circuit Breaker

FDC3225 - Eaton - Molded Case Circuit Breaker

Bolt On - 225 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

Limited availability

EGB36080 - Square D 80 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EGB36080 - Square D 80 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EGB36080 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

EGB36090 - Square D 90 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EGB36090 - Square D 90 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EGB36090 - Square D - Molded Case Circuit Breaker

Bolt-On - 90 Amp - 3 Pole - 600 Volt

Schneider Electric

HDL26080 - Square D 80 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker

HDL26080 - Square D - Molded Case Circuit Breaker

Feed Thru - 80 Amp - 2 Pole - 600 Volt

Schneider Electric

HDL26020 - Square D 20 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker

HDL26020 - Square D - Molded Case Circuit Breaker

Feed Thru - 20 Amp - 2 Pole - 600 Volt

Schneider Electric

BDA36025 - Square D 25 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker

BDA36025 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 25 Amp - 3 Pole - 600 Volt

Schneider Electric

THQD22100WL - GE 100 Amp 2 Pole 240 Volt Molded Case Circuit Breaker

THQD22100WL - GE - Molded Case Circuit Breaker

Feed-Thru - 100 Amp - 2 Pole - 240 Volt

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Molded Case Breakers