Molded Case Breakers

7529 products

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

7529 products

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HDL36040 - Square D 40 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

HDL36040 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

JLA36200 - Square D - Molded Case Circuit Breaker

JLA36200 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 200 Amp - 3 Pole - 600 Volt

Schneider Electric

HKD3400F - Eaton - Frame

Bolt-On - 400 Amp - 3 Pole - 4 Volt

Eaton Cutler-Hammer

THQC21100WL - GE - Molded Case Circuit Breaker

THQC21100WL - GE - Molded Case Circuit Breaker

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

BQC220250 - Eaton - Molded Case Circuit Breaker

BQC220250 - Eaton - Molded Case Circuit Breaker

50 Amp - 2 Pole - 240 Volt

QO110 - Square D - Molded Case Circuit Breaker

QO110 - Square D - 10 Amp Circuit Breaker

Plug-in - 10A -1 Pole - 240 Volt

FDB3020 - Eaton - Molded Case Circuit Breaker

FDB3020 - Eaton - Molded Case Circuit Breaker

Bolt-On - 20 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

FD3035 - Eaton - Molded Case Circuit Breaker

FD3035 - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

FD3020 - Eaton - Molded Case Circuit Breaker

FD3020 - Eaton - Molded Case Circuit Breaker

Bolt-On - 20 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

ED61B020 - Siemens - Molded Case Circuit Breaker

Bolt-On - 20 Amp - 1 Pole - 600 Volt

HFD3040 - Eaton - Moded Case Circuit Breaker

HFD3040 - Eaton - Molded Case Circuit Breaker

Feed Thru - 40 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

Save $1,580.19 CAD

Limited availability

EJB36100 - Square D 100 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EJB36100 - Square D 100 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EJB36100 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

BDA36030 - Square D 30 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker

BDA36030 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

CED63B015 - Siemens 15 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker

CED63B015 - Siemens - Molded Case Circuit Breaker

Bolt On - 15 Amp - 3 Pole - 600 Volt

JD63F400 - Siemens 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Frame

JD63F400 - Siemens - Frame

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

ED63B020L - Siemens - Molded Case Circuit Breaker

ED63B020L - Siemens - Molded Case Circuit Breaker

Feed Thru - 20 Amp - 3 Pole - 600 Volt

TQD22200WL - GE - Molded Case Circuit Breaker

TQD22200WL - GE - Molded Case Circuit Breaker

Feed-Thru - 200 Amp - 2 Pole - 240 Volt

SELA36AT0100 - GE - Molded Case Circuit Breaker

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

HMCP007C0C - Eaton - Molded Case Circuit Breaker

HMCP007C0C - Eaton - Molded Case Circuit Breaker

Feed-Thru - 7 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

HFD3200L - Eaton - Molded Case Circuit Breaker

HFD3200L - Eaton - Molded Case Circuit Breaker

Feed-Thru - 200 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

HFD3020L - Eaton - Molded Case Circuit Breaker

HFD3020L - Eaton - Molded Case Circuit Breaker

Feed Thru - 20 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

Save $1,580.19 CAD

FDB3020L - Eaton - Molded Case Circuit Breaker

FDB3020L - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

FD3100L - Eaton - Molded Case Circuit Breaker

FD3100L - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

FD3030L - Eaton - Molded Case Circuit Breaker

FD3030L - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

ED2125L - Eaton - Molded Case Circuit Breaker

ED2125L - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

QBL22150 - Square D 150 Amp 2 Pole 240 Volt Thermal Magnetic Molded Case Circuit Breaker

QBL22150 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

FA36030 - Square D 30 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker

FA36030 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

FA36020 - Square D 20 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker

FA36020 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 20 Amp - 3 Pole - 600 Volt

Schneider Electric

EDB34080 - Square D 80 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EDB34080 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

Save $215.01 CAD

EDB24040 - Square D 40 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EDB24040 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

HDL36030 - Square D 30 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

HDL36030 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

JJL36200 - Square D - Molded Case Circuit Breaker

Feed-Thru - 200 Amp - 3 Pole - 600 Volt

Schneider Electric

JJA36200 - Square D - Molded Case Circuit Breaker

JJA36200 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 200 Amp - 3 Pole - 600 Volt

Schneider Electric

JGA36225 - Square D - Molded Case Circuit Breaker

JGA36225 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 225 Amp - 3 Pole - 600 Volt

Schneider Electric

JDA36250 - Square D - Molded Case Circuit Breaker

JDA36250 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

HFD3030 - Eaton - Molded Case Circuit Breaker

Feed Thru - 30 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

Save $1,580.19 CAD

HFD3070 - Eaton - Moded Case Circuit Breaker

HFD3070 - Eaton - Molded Case Circuit Breaker

Feed Thru - 70 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

Save $1,480.19 CAD

BJA36030 - Square D 30 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

BJA36030 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

BJA36015 - Square D 15 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

BJA36015 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 15 Amp - 3 Pole - 600 Volt

Schneider Electric

BGA36050 - Square D 50 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

BGA36050 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 50 Amp - 3 Pole - 600 Volt

Schneider Electric

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Molded Case Breakers