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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.
SORT BY
Part Number
PRICE
Manufacturer
GMB631PC1
GMB631PC1
In Stock
From
$34.67
Carlo Gavazzi
GMB631PC1.6
GMB631PC1.6
In Stock
From
$38.00
Carlo Gavazzi
GMB632PC10
GMB632PC10
In Stock
From
$48.91
Carlo Gavazzi
GMB632PC16
GMB632PC16
In Stock
From
$48.18
Carlo Gavazzi
GMB632PC2
GMB632PC2
In Stock
From
$53.53
Carlo Gavazzi
GMB632PC30
GMB632PC30
In Stock
From
$99.18
Carlo Gavazzi
GMB632PC32
GMB632PC32
In Stock
From
$72.89
Carlo Gavazzi
GMB632PC35
GMB632PC35
In Stock
From
$48.18
Carlo Gavazzi
GMB632PC63
GMB632PC63
In Stock
From
$47.47
Carlo Gavazzi
GMB632PC8
GMB632PC8
In Stock
From
$83.34
Carlo Gavazzi
GMB633PC0.5
GMB633PC0.5
In Stock
From
$85.45
Carlo Gavazzi
GMB633PC1
GMB633PC1
In Stock
From
$85.45
Carlo Gavazzi
GMB633PC1.6
GMB633PC1.6
In Stock
From
$63.64
Carlo Gavazzi
GMB633PC10
GMB633PC10
In Stock
From
$96.29
Carlo Gavazzi
GMB633PC13
GMB633PC13
In Stock
From
$86.71
Carlo Gavazzi
GMB633PC16
GMB633PC16
In Stock
From
$143.14
Carlo Gavazzi
GMB633PC2
GMB633PC2
In Stock
From
$102.12
Carlo Gavazzi
GMB633PC3
GMB633PC3
In Stock
From
$85.45
Carlo Gavazzi
GMB633PC4
GMB633PC4
In Stock
From
$59.60
Carlo Gavazzi
GMB633PC5
GMB633PC5
In Stock
From
$137.28
Carlo Gavazzi
GMB633PC50
GMB633PC50
In Stock
From
$73.73
Carlo Gavazzi
GMB633PC6
GMB633PC6
In Stock
From
$85.45
Carlo Gavazzi
GMB63H1PD10R
GMB63H1PD10R
In Stock
From
$26.49
Carlo Gavazzi
GMB63H2PC13
GMB63H2PC13
In Stock
From
$46.05
Carlo Gavazzi
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.