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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
DW-8595-20A
DW-8595-20A
In Stock
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Schneider Electric
FHL3600M4200
FHL3600M4200
In Stock
From
$4.66
Square D
KCL341251287
KCL341251287
In Stock
From
$73.64
Square D
LGA36400U43XTB
LGA36400U43XTB
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Square D
MG20430
MG20430
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Schneider Electric
12616
12616
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Schneider Electric
16752
16752
In Stock
From
$1,721.04
Schneider Electric
16916
16916
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Schneider Electric
17417
17417
In Stock
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$43.55
Schneider Electric
17873
17873
In Stock
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$37.24
Schneider Electric
17887
17887
In Stock
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$55.87
Schneider Electric
18622
18622
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Schneider Electric
18628
18628
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Schneider Electric
18629
18629
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Schneider Electric
18636
18636
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Schneider Electric
18653
18653
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Schneider Electric
18691
18691
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Schneider Electric
18777
18777
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Schneider Electric
18800
18800
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Schneider Electric
18810
18810
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Schneider Electric
18852
18852
In Stock
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$186.63
Schneider Electric
18886
18886
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Schneider Electric
19131
19131
In Stock
From
$29.99
Schneider Electric
19133
19133
In Stock
From
$31.87
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.