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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
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Manufacturer
MG60177
MG60177
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Schneider Electric
MG60206
MG60206
In Stock
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$42.88
Schneider Electric
MG60213
MG60213
In Stock
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$71.10
Schneider Electric
MGCB1003D4P
MGCB1003D4P
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Schneider Electric
MGE0632X
MGE0632X
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Schneider Electric
MGP-0401L2
MGP-0401L2
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Schneider Electric
MGP0302L12
MGP0302L12
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Schneider Electric
MGP0632L12
MGP0632L12
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Schneider Electric
MGP1002L12
MGP1002L12
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Schneider Electric
MHL3660042M
MHL3660042M
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Schneider Electric
MJL36400LW
MJL36400LW
In Stock
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$777.78
Square D
N-5670
N-5670
In Stock
From
$14.37
Schneider Electric
NFHS36225
NFHS36225
In Stock
From
$2,511.82
Schneider Electric
NFNF36200AAHJ00
NFNF36200AAHJ00
In Stock
From
$1,073.41
Schneider Electric
Q1L3601021
Q1L3601021
In Stock
From
$35.45
Schneider Electric
Q2MT3125
Q2MT3125
In Stock
From
$132.99
Schneider Electric
QDF32225TS
QDF32225TS
In Stock
From
$161.36
Schneider Electric
QO260GFICP
QO260GFICP
In Stock
From
$124.87
Square D
QOB215H5252
QOB215H5252
In Stock
From
$158.15
Schneider Electric
QOE132B03
QOE132B03
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Schneider Electric
QOU215H
QOU215H
In Stock
From
$116.51
Schneider Electric
RJF36160CU64AE1ACB
RJF36160CU64AE1ACB
In Stock
From
$1,039.52
Square D
RJF36200CU44AYP
RJF36200CU44AYP
In Stock
From
$15,380.27
Schneider Electric
RSD-40102
RSD-40102
Limited Stock
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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.