Molded Case Breakers

7536 products

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

7536 products

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FDB3150 - Eaton - Molded Case Circuit Breaker

FDB3150 - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

FDB3100 - Eaton - Molded Case Circuit Breaker

FDB3100 - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

FD3100 - Eaton - Molded Case Circuit Breaker

FD3100 - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

FD3090 - Eaton - Molded Case Circuit Breaker

FD3090 - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

HFD3050 - Eaton - Moded Case Circuit Breaker

HFD3050 - Eaton - Molded Case Circuit Breaker

Feed Thru - 50 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

Save $1,580.19 CAD

FDB3060L - Eaton - Molded Case Circuit Breaker

FDB3060L - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

FA36100 - Square D 100 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker

FA36100 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 100 Amp - 3 Pole - 600 Volt

Schneider Electric

HDL36125 - Square D 125 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

HDL36125 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

3VA4195-6ED34-0AA0 - Siemens - Molded Case Circuit Breakers

3VA4195-6ED34-0AA0 - Siemens - Molded Case Circuit Breakers

15 Amp - 3 Pole - 600 Volt

FD3080 - Eaton - Molded Case Circuit Breaker

FD3080 - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

FD3125 - Eaton - Molded Case Circuit Breaker

FD3125 - Eaton - Molded Case Circuit Breaker

Bolt-On - 125 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

CED63B100 - Siemens - Molded Case Circuit Breaker

CED63B100 - Siemens - Molded Case Circuit Breaker

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

HLA36030 - Square D - Molded Case Circuit Breaker

HLA36030 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

FAL36060 - Square D 60 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker

FAL36060 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

FAL36030 - Square D 30 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker

FAL36030 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

HDA36060 - Square D 60 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker

HDA36060 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 60 Amp - 3 Pole - 600 Volt

Schneider Electric

QO110 - Square D - Molded Case Circuit Breaker

QO110 - Square D - 10 Amp Circuit Breaker

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

FDB3090 - Eaton - Molded Case Circuit Breaker

FDB3090 - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

FD3070 - Eaton - Molded Case Circuit Breaker

FD3070 - Eaton - Molded Case Circuit Breaker

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

Eaton Cutler-Hammer

ED63B030 - Siemens - Moded Case Circuit Breaker

ED63B030 - Siemens - Molded Case Circuit Breaker

Bolt On - 30 Amp - 3 Pole - 600 Volt

BDA36015 - Square D 15 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker

BDA36015 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

FXD63B150 - Siemens - Molded Case Circuit Breaker

FXD63B150 - Siemens - Molded Case Circuit Breaker

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

QDA32200 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

QBL32225 - Square D - Molded Case Circuit Breaker

Feed_thru - 225 Amp - 3 Pole - 240 Volt

Schneider Electric

HLA36100 - Square D - Molded Case Circuit Breaker

HLA36100 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 100 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,040 CAD

Q22025CT - Siemens - Molded Case

Q22025CT - Siemens - Molded Case

HFD3015 - Eaton - Moded Case Circuit Breaker

HFD3015 - Eaton - Molded Case Circuit Breaker

Feed Thru - 15 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

Save $1,580.19 CAD

HFD3030 - Eaton - Molded Case Circuit Breaker

Feed Thru - 30 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

Save $1,580.19 CAD

BRN120EP - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Plug-In Molded Case Circuit Breaker

BRN120EP - Eaton - 30mA GFEP Breaker

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

Eaton Cutler-Hammer

EJB36030 - Square D 30 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EJB36030 - Square D 30 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EJB36030 - Square D - Molded Case Circuit Breaker

Bolt-On - 30 Amp - 3 Pole - 600 Volt

Schneider Electric

HFD3030L - Eaton - Molded Case Circuit Breaker

Feed Thru - 30 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

Save $1,580.19 CAD

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

FAL36100 - Square D 100 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker

FAL36100 - Square D - Molded Case Circuit Breaker

Feed-Thru - 100 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

EDB34125 - Square D 125 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

EDB34125 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

HJA36060 - Square D 60 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

HJA36060 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 60 Amp - 3 Pole - 600 Volt

Schneider Electric

HJA36015 - Square D 15 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

HJA36015 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 15 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

JDL36250 - Square D - Molded Case Circuit Breaker

JDL36250 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

BQC220250 - Eaton - Molded Case Circuit Breaker

BQC220250 - Eaton - Molded Case Circuit Breaker

50 Amp - 2 Pole - 240 Volt

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Molded Case Breakers