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Molded Case Circuit Breaker

For circuit breaker systems in commercial and industrial facilities, molded case circuit breakers are among the most widely used components for reliable overcurrent protection and electrical distribution. Molded case circuit breakers provide automatic circuit interruption during overload or short circuit conditions, protecting electrical systems and equipment from damage while enabling manual switching control. Electrical.com carries an extensive selection of molded case circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of commercial buildings, manufacturing facilities, data centers, and industrial power distribution applications.
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CHL3060
CHL3060
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CHL3070
CHL3070
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CKDB3400F
CKDB3400F
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CLDC3600LSI
CLDC3600LSI
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CMDL3800LSI
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CMDL3800LSIG
CMDL3800LSIG
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DK3400LS
DK3400LS
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E2NE12
E2NE12
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HFDDC2015
HFDDC2015
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HFDE310032
HFDE310032
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HMCP400XS
HMCP400XS
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JGS325033
JGS325033
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KD3400LSI
KD3400LSI
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LGH3250FAWV
LGH3250FAWV
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MDL3800LSIG
MDL3800LSIG
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NGC3080322MC
NGC3080322MC
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Eaton
PDD22F0125TFFJ
PDD22F0125TFFJ
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Eaton
PDD22F0175TFFJ
PDD22F0175TFFJ
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Eaton
PDD22F0200TFFJ
PDD22F0200TFFJ
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PDG23P0100P2NL
PDG23P0100P2NL
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Eaton
PDG33M0400LSI
PDG33M0400LSI
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Eaton
QBHW3100HH08
QBHW3100HH08
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Eaton
RD316T33WP02529Y01
RD316T33WP02529Y01
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Eaton
RDC316T36GW
RDC316T36GW
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Eaton
Popular Molded Case Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of molded case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified MCCBs available for immediate shipment. From standard thermal-magnetic breakers to electronic trip units across all amperage ratings, we have what you need when others say no. Our comprehensive molded case circuit breaker inventory spans all voltage and current ratings, frame sizes, and interrupting capacities from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our molded case circuit breakers serve critical applications across commercial buildings, industrial facilities, manufacturing plants, data centers, healthcare facilities, distribution panels, motor control centers, switchboards, and power distribution systems.


Whether you're maintaining legacy equipment with obsolete MCCB models or sourcing current production breakers for new installations and retrofits, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need molded case circuit breakers now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.