Molded Case Breakers

7536 products

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

7536 products

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EDB14040 - Square D 40 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker

EDB14040 - Square D - Molded Case Circuit Breaker

Bolt-On - 40 Amp - 1 Pole - 277 Volt

Schneider Electric

LGG3B100L - Siemens - Molded Case Circuit Breaker

LGG3B100L - Siemens - Molded Case Circuit Breaker

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

LGB3B090B - Siemens - Molded Case Circuit Breaker

LGB3B090B - Siemens - Molded Case Circuit Breaker

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

LGB3B030B - Siemens - Molded Case Circuit Breaker

LGB3B030B - Siemens - Molded Case Circuit Breaker

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

LGB3B020B - Siemens - Molded Case Circuit Breaker

LGB3B020B - Siemens - Molded Case Circuit Breaker

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

HGB2B080B - Siemens - Molded Case Circuit Breaker

HGB2B080B - Siemens - Molded Case Circuit Breaker

Bolt-On - 80 Amp - 2 Pole - 600 Volt

B225HH - Siemens - Molded Case Circuit Breaker

Bolt On - 25 Amp - 2 Pole - 240 Volt

Limited availability

SFDA36AN0250 - GE 250 Amp 3 Pole 600 Volt Molded Case Switch

SFDA36AN0250 - GE - Molded Case Circuit Breaker

250 Amp - 3 Pole - 600 Volt

Limited availability

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

EJB34070 - Square D 70 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34070 - Square D 70 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34070 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

EGB26090 - Square D 90 Amp 2 Pole 600 Volt Bolt-On Circuit Breaker

EGB26090 - Square D 90 Amp 2 Pole 600 Volt Bolt-On Circuit Breaker

EGB26090 - Square D - Molded Case Circuit Breaker

Bolt-On - 90 Amp - 2 Pole - 480 Volt

Schneider Electric

Limited availability

EGB26080 - Square D 80 Amp 2 Pole 600 Volt Bolt-On Circuit Breaker

EGB26080 - Square D 80 Amp 2 Pole 600 Volt Bolt-On Circuit Breaker

EGB26080 - Square D - Molded Case Circuit Breaker

Bolt-On - 80 Amp - 2 Pole - 480 Volt

Schneider Electric

Limited availability

EGB26050 - Square D 50 Amp 2 Pole 600 Volt Bolt-On Circuit Molded Case Breaker

EGB26050 - Square D 50 Amp 2 Pole 600 Volt Bolt-On Circuit Molded Case Breaker

EGB26050 - Square D - Molded Case Circuit Breaker

Bolt-On - 50 Amp - 2 Pole - 480 Volt

Schneider Electric

Limited availability

EGB26020 - Square D 20 Amp 2 Pole 600 Volt Bolt-On Circuit Molded Case Breaker

EGB26020 - Square D 20 Amp 2 Pole 600 Volt Bolt-On Circuit Molded Case Breaker

EGB26020 - Square D - Molded Case Circuit Breaker

Bolt-On - 20 Amp - 2 Pole - 480 Volt

Schneider Electric

Limited availability

EGB16025 - Square D 25 Amp 1 Pole 347 Volt Bolt-On Circuit Molded Case Breaker

EGB16025 - Square D 25 Amp 1 Pole 347 Volt Bolt-On Circuit Molded Case Breaker

EGB16025 - Square D - Molded Case Circuit Breaker

Bolt-On - 25 Amp - 1 Pole - 277 Volt

Schneider Electric

EGB16020 - Square D 20 Amp 1 Pole 347 Volt Bolt-On Circuit Molded Case Breaker

EGB16020 - Square D 20 Amp 1 Pole 347 Volt Bolt-On Circuit Molded Case Breaker

EGB16020 - Square D - Molded Case Circuit Breaker

Bolt-On - 20 Amp - 1 Pole - 277 Volt

Schneider Electric

Limited availability

EJB26100 - Square D 100 Amp 2 Pole 600 Volt Bolt-On Circuit Breaker

EJB26100 - Square D 100 Amp 2 Pole 600 Volt Bolt-On Circuit Breaker

EJB26100 - Square D - Molded Case Circuit Breaker

Bolt-On - 100 Amp - 2 Pole - 600 Volt

Schneider Electric

ED42B090 - Siemens - Molded Case Circuit Breaker

ED42B090 - Siemens - Molded Case Circuit Breaker

Bolt-On - 90 Amp - 2 Pole - 480 Volt

HFD63B250 - Siemens - Molded Case Circuit Breaker

HFD63B250 - Siemens - Molded Case Circuit Breaker

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

ED22B090 - Siemens - Molded Case Circuit Breaker

ED22B090 - Siemens - Molded Case Circuit Breaker

Bolt-On - 90 Amp - 2 Pole - 240 Volt

LDL36600U33X - Square D - Molded Case Circuit Breaker

Feed Thru - 600 Amp - 3 Pole - 600 Volt

Schneider Electric

JJL36200SA - Square D 200 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

JJL36200SA - Square D - Molded Case Circuit Breaker

Feed Thru - 200 Amp - 3 Pole - 600 Volt

Schneider Electric

LDL36400U33X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

LDL36400U33X - Square D - Molded Case Circuit Breaker

Feed Thru - 400 Amp - 3 Pole - 600 Volt

Schneider Electric

JJA36250U43X - Square D 250 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

JJA36250U43X - Square D - Molded Case Circuit Breaker

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

Schneider Electric

JJA36200SA - Square D 200 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker

JJA36200SA - Square D - Molded Case Circuit Breaker

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

Schneider Electric

LDA36400U31X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

LDA36400U31X - Square D - Molded Case Circuit Breaker

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

Schneider Electric

HLL36125LV - Square D 125 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

HLL36125LV - Square D - Molded Case Circuit Breaker

Feed Thru - 125 Amp - 3 Pole - 600 Volt

Schneider Electric

JGL36200SA - Square D 200 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

JGL36200SA - Square D - Molded Case Circuit Breaker

Feed Thru - 200 Amp - 3 Pole - 600 Volt

Schneider Electric

HJL36100U33X - Square D 100 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

HJL36100U33X - Square D - Molded Case Circuit Breaker

Feed Thru - 100 Amp - 3 Pole - 600 Volt

Schneider Electric

HJL36110 - Square D 110 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

HJL36110 - Square D - Molded Case Circuit Breaker

Feed Thru - 110 Amp - 3 Pole - 600 Volt

Schneider Electric

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

Limited availability

SHND69120ANTH - Siemens - Molded Case Circuit Breaker

SHND69120ANTH - Siemens - Molded Case Circuit Breaker

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

JXD63B400H - Siemens - Molded Case Circuit Breaker

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

HJXD63B400H - Siemens - Molded Case Circuit Breaker

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

LXD63M600 - Siemens - Molded Case Circuit Breaker

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

HJXD63B300L - Siemens - Molded Case Circuit Breaker

Feed-Thru - 300 Amp - 3 Pole - 600 Volt

TJK436200WL - General Electric 200 Amp 3 Pole 600 Volt Thermal Magnetic Circuit Breaker

TJK436200WL - GE - Molded Case Circuit Breaker

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

TJJ436Y400 - General Electric 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

TJJ436Y400 - GE - Molded Case Circuit Breaker

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

Limited availability

TEYD3125B - General Electric 125 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

TEYD3125B - GE - Molded Case Circuit Breaker

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

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Molded Case Breakers