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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
60989
60989
In Stock
From
$435.12
Schneider Electric
8615040
8615040
In Stock
From
$32.64
Schneider Electric
8615041
8615041
In Stock
From
$72.12
Schneider Electric
967346
967346
In Stock
From
$257.57
Schneider Electric
A9D32610
A9D32610
In Stock
From
$70.99
Schneider Electric
A9F44116
A9F44116
In Stock
From
$30.35
Schneider Electric
A9F44125
A9F44125
In Stock
From
$20.62
Schneider Electric
A9F44206
A9F44206
Limited Stock
From
Get Price
Schneider Electric
A9F44216
A9F44216
Limited Stock
From
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Schneider Electric
A9F44302
A9F44302
Limited Stock
From
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Schneider Electric
A9F44320
A9F44320
In Stock
From
$74.61
Schneider Electric
A9F53102
A9F53102
Limited Stock
From
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Schneider Electric
A9F53125
A9F53125
Limited Stock
From
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Schneider Electric
A9F53416
A9F53416
Limited Stock
From
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Schneider Electric
A9F54102
A9F54102
In Stock
From
$56.37
Schneider Electric
A9F54110
A9F54110
In Stock
From
$78.78
Schneider Electric
A9F54132
A9F54132
In Stock
From
$29.82
Schneider Electric
A9F54332
A9F54332
In Stock
From
$258.13
Schneider Electric
A9F54340
A9F54340
In Stock
From
$318.19
Schneider Electric
A9F55216
A9F55216
In Stock
From
$99.31
Schneider Electric
A9F55363
A9F55363
In Stock
From
$240.00
Schneider Electric
A9F74110
A9F74110
In Stock
From
$5.42
Schneider Electric
A9F74204
A9F74204
In Stock
From
$114.79
Schneider Electric
A9F74210
A9F74210
In Stock
From
$26.22
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.