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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
M9F53325
M9F53325
In Stock
From
$222.55
Schneider Electric
M9P22632
M9P22632
In Stock
From
$69.17
Schneider Electric
M9R81225
M9R81225
In Stock
From
$888.55
Schneider Electric
M9U11263
M9U11263
In Stock
From
$135.29
Schneider Electric
M9U21210
M9U21210
In Stock
From
$280.79
Schneider Electric
M9U21220
M9U21220
In Stock
From
$337.41
Schneider Electric
MG-21651
MG-21651
In Stock
From
$20.49
Schneider Electric
MG21552
MG21552
Limited Stock
From
Get Price
Schneider Electric
MG21553
MG21553
Limited Stock
From
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Schneider Electric
MG24072
MG24072
Limited Stock
From
Get Price
Schneider Electric
MG24201
MG24201
Limited Stock
From
Get Price
Schneider Electric
MG24333
MG24333
In Stock
From
$79.32
Schneider Electric
MG24406
MG24406
In Stock
From
$27.98
Schneider Electric
MG24661
MG24661
In Stock
From
$77.09
Schneider Electric
MG24974
MG24974
In Stock
From
$56.09
Schneider Electric
MG24982
MG24982
In Stock
From
$125.94
Schneider Electric
MG25131
MG25131
Limited Stock
From
Get Price
Schneider Electric
MG60105
MG60105
In Stock
From
$26.79
Schneider Electric
MG60117
MG60117
In Stock
From
$115.14
Schneider Electric
MG60118
MG60118
In Stock
From
$69.36
Schneider Electric
MG60120
MG60120
In Stock
From
$39.44
Schneider Electric
MG60129
MG60129
In Stock
From
$35.75
Schneider Electric
MG60130
MG60130
In Stock
From
$15.57
Schneider Electric
MG60134
MG60134
In Stock
From
$111.62
Schneider Electric
Popular Molded Case Circuit Breaker Manufacturers
Eaton
Square D
ABB
Siemens

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.