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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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Part Number
PRICE
Manufacturer
MGP1604X
MGP1604X
Limited Stock
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Schneider Electric
MGP1604XE2N
MGP1604XE2N
Limited Stock
From
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Schneider Electric
MGP2003X
MGP2003X
Limited Stock
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Schneider Electric
MGP2503
MGP2503
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Schneider Electric
MGP4003
MGP4003
Limited Stock
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Schneider Electric
MGV630302
MGV630302
Limited Stock
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Schneider Electric
MHAB-150
MHAB-150
In Stock
From
$53.64
Schneider Electric
MHL260006M-MA11021
MHL260006M-MA11021
In Stock
From
$3,704.37
Schneider Electric
MHL3660033DC1426
MHL3660033DC1426
In Stock
From
$1,111.25
Schneider Electric
ML120
ML120
In Stock
From
$11.07
Schneider Electric
MPCBN05NAX00N
MPCBN05NAX00N
Limited Stock
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Schneider Electric
MRC-73222.01-20A
MRC-73222.01-20A
In Stock
From
$11.32
Schneider Electric
MRC-73262.01-20A
MRC-73262.01-20A
In Stock
From
$10.09
Schneider Electric
MULTI9C6020A
MULTI9C6020A
In Stock
From
$23.57
Schneider Electric
MULTI9C605A
MULTI9C605A
In Stock
From
$16.28
Schneider Electric
MULTI9C60D15A
MULTI9C60D15A
In Stock
From
$20.79
Schneider Electric
MULTI9C60D30A
MULTI9C60D30A
In Stock
From
$96.82
Schneider Electric
MULTI9C60N10A
MULTI9C60N10A
In Stock
From
$64.92
Schneider Electric
MULTI9CT
MULTI9CT
Limited Stock
From
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Schneider Electric
MULTI9NO/NF
MULTI9NO/NF
Limited Stock
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Schneider Electric
MULTI9RLI
MULTI9RLI
Limited Stock
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Schneider Electric
NAGF-15-33
NAGF-15-33
In Stock
From
$396.51
Schneider Electric
NAGF-250NA
NAGF-250NA
In Stock
From
$275.49
Schneider Electric
NC015CP
NC015CP
In Stock
From
$26.39
Schneider Electric
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.